Optical
Communications Research Group
Department of Electronic and Computer Engineering
University of
Limerick, Ireland
Current research Laboratory Publications SOA Matlab Code
Research interests include:
·
Semiconductor
optical amplifiers and applications (wavelength conversion, switching, pulse
amplification) in ultrafast optical communications including coherent systems.
·
Laser
interferometric vibration and high-voltage sensing
·
Optical
coherence tomography for biomedical applications.
The group has been awarded many research
contracts and is also engaged in collaborative
research projects with international universities and industrial research
centres.
Contact
Prof. Michael Connelly
Tel: +353 (0)61 202173. Email: michael.connelly@ul.ie
Undergraduate modules
taught
2nd year: EE4313:
Active Circuit Design 1
3rd year: EE4034:
Telecommunication Fundamentals
4th year: EE4117:
Electromagnetics 1
Current Research
Quantum-Dash
semiconductor optical amplifier modelling and applications - collaboration with Ecole Nationale d’Ingenieurs de Brest (ENIB), France and Alcatel-Thales III-V lab, Paris.
Quantum-well
semiconductor optical amplifier modelling – in collaboration with the University of Toulouse and Alcatel-Thales III-V lab, Paris.
Laser interferometric vibrometry and high-voltage
sensing – collaboration
with
Universidade Estadual Paulista, Brazil.
Laboratory
·
Agilent 9.5-12.5 Gbit/s bit-error-rate test set.
·
Anritsu 3.2
Gbit/s bit-error-rate test set.
·
SHF 40
Gbit/s pattern generator.
·
40 Gbit/s-QPSK transmitter system.
·
40 Gb/s Balanced
D(Q)PSK optical receiver
·
Agilent 20
GHz and 65 GHz optical/80 GHz electrical digital communications analysers.
·
Agilent 6
GHz vector signal generator.
· Agilent 8 GHz vector signal analyser.
·
Optical
spectrum analysers.
·
Tunable
lasers.
·
Agilent 8509C
polarisation analyser.
·
22 GHz
spectrum analyser.
· Agilent 40 GHz vector network analyser.
Book
M.J. Connelly, Semiconductor Optical Amplifiers, Kluwer Academic Press, Boston, 2002.
Book Chapters
M.J. Connelly, 'Coherent Lightwave Systems', Encyclopaedia of Modern Optics, Elsevier, Oxford, 2004.
M.J. Connelly, 'Fibre Sensors', Encyclopaedia
of Modern Optics, Elsevier, Oxford, 2004.
M.J. Connelly, 'Semiconductor
Optical Amplifiers', Encyclopaedia of Modern Optics, Elsevier, Oxford,
2004.
M.J.
Connelly, ‘Semiconductor Optical Amplifier Fundamentals’, Handbook of Optoelectronic Device Modeling
and Simulation: Fundamentals, Materials, Nanostructures, LEDs, and Amplifiers -
Volume One, CRC Press, 2017.
M.J. Connelly, 'Coherent Lightwave Systems', Encyclopaedia of Modern Optics II, Elsevier, Oxford, forthcoming 2017.
M.J. Connelly, 'Semiconductor
Optical Amplifiers', Encyclopaedia of Modern Optics II, Elsevier,
Oxford, forthcoming
2017.
Journal and conference papers
M.J. Connelly, J.H. Galeti and C. Kitano, paper
4pSPc1, “Measurement and analysis of a piezoelectric mirror shifter impulse
response using self-correcting synthetic-heterodyne demodulation based
Michelson interferometer vibrometer with gain and phase control feedback,’ Acoustics '17 Boston, June 24 - 30,
2017. (Invited paper)
J.H. Galeti, R.T. Higuti, C. Kitano and M.J.
Connelly, “Polarimetric optical high-voltage sensor using
synthetic-heterodyne demodulation and Hilbert transform with gain control
feedback,” IEEE J. Sel. Top. Quantum Electronics,
Vol. 23, No. 2, pp. 1-7, 2017.
M.J. Connelly, L. Krzczanowicz, P. Morel, A.
Sharaiha, F. Lelarge, R. Brenot, S. Joshi and S. Barbet, “40
Gb/s NRZ-DQPSK data wavelength conversion with amplitude regeneration using
four-wave mixing in a quantum dash semiconductor optical amplifier,”
Front. Optoelectron.
doi:10.1007/s12200-016-0628-x, 2016. (Invited paper)
V. Moreno, M.J. Connelly, J. Romero-Vivas, L.
Krzczanowicz, J. Mora, M.A. Muriel and J. Capmany, “Integrated
16-ps Pulse Generator based on a Reflective SOA-EAM for UWB schemes”,
IEEE Photon Tech. Lett., 2016.
M.J. Connelly, S.
Mazzucato, H. Carrere, X. Marie, T. Amand, M. Achouche, C. Caillaud and R. Brenot, “Wideband
Steady-State Model of a Strained InGaAsP MQW-SOA,” IEEE J. Lightwave Technology, 2016.
Z. V. Rizou, K. E. Zoiros, M. J. Connelly, “Semiconductor optical amplifier pattern effect suppression
using optical notch filtering,” Journal of Engineering Science
and Technology Review, Vol. 9, No. 4, pp. 198-201, 2016.
J. H. Galeti, C. Kitano and M. J. Connelly, “Improved
Synthetic-Heterodyne Michelson Interferometer Vibrometer using Phase and Gain
Control Feedback,”
Applied
Optics, 2015.
M. J. Connelly, J. Romero-Vivas, A. Meehan and L.
Krzczanowicz, “Modeling of Mach-Zehnder and Electroabsorption Modulator
Pulse Generators and Extraction of the Chirp Factor,” 15th IEEE International Conference on
Numerical Simulation of Optoelectronic Devices, Taiwan, Sept. 2015.
M. J. Connelly,
”Reflective Semiconductor Optical Amplifier Electrode
Voltage based Phase Shifter Model” 15th IEEE International
Conference on Numerical Simulation of Optoelectronic Devices, Taiwan, Sept.
2015.
M. J. Connelly, J. H. Galeti and C. Kitano, ‘Michelson
Interferometer Vibrometer using Self-Correcting Synthetic-Heterodyne
Demodulation,’ Applied
Optics, 2015.
K.E. Zoiros, Z.V. Rizou, A. Hatziefremidis and M. J. Connelly,
‘Performance Tolerance Analysis of Birefringent Fiber Loop
for Semiconductor Optical Amplifier Pattern Effect Suppression’, J. Applied Physics B: Lasers and Optics,
2015.
M.J. Connelly, ‘Band-gap
shrinkage calculations and analytic model for strained bulk InGaAsP’,
Materials Research Express, 2015.
A. Meehan and M.J. Connelly, ‘Experimental Characterization and Modeling of the Improved
Low Frequency Response of a Current Modulated Bulk RSOA Slow Light based
Microwave Phase Shifter’, Optics
Comms., Vol. 341, pp. 241-244, 2015.
M.J. Connelly, “Reflective Semiconductor Optical
Amplifier Modulator Dynamic Model,” 14th IEEE
International Conference on Numerical Simulation of Optoelectronic Devices,
Majorca, Spain, Sept. 1-4, 2014.
M. J. Connelly S. Mazzucato,
H. Carrère, X. Marie, T. Amand,
M. Achouche, C. Caillaud
and R. Brenot, “Wideband Steady-State Model of a Strained MQW-SOA,” 14th IEEE International Conference on
Numerical Simulation of Optoelectronic Devices, Majorca, Spain, Sept. 1-4,
2014.
A. Meehan and M.J. Connelly, “Slow Light based
Microwave Photonic Phase Shifter using Coherent Population Oscillations in a
Bulk Tensile-Strained Semiconductor Optical Amplifier', Irish Signals and Systems Conference, 2014.
L. Krzczanowicz and M.J. Connelly, '40 Gb/s
NRZ-DQPSK Data All-Optical Wavelength Conversion Using Four Wave Mixing in
SOA', Irish Signals and Systems
Conference, 2014.
J.Romero-Vivas and M.J. Connelly 'Linear pulse characterization as a tool for
all-optical signal processing, Irish
Signals and Systems Conference, 2014.
S. Mazzucato, H. Carrère, X. Marie, T. Amand, M. Achouche, C. Caillaud, R. Brenot
and M. Connelly,” Gain, amplified spontaneous emission and noise figure of
InGaAsP SOA,” Semiconductor and
Integrated OptoElectronics Conference, March 29th-1st April, Cardiff, U.K., 2014
M.J. Connelly, “Wideband static model of a
reflective tensile-strained bulk semiconductor optical amplifier”,
Semiconductor Lasers and Laser Dynamics" conference, SPIE Photonics Europe, Brussels, Belgium, 14-17 April 2014.
M.J. Connelly, ‘Dynamic Model of Slow Light in a Tensile-Strained
Semiconductor Optical Amplifier", Opt. Quant. Electron.: Volume 46, Issue 10 (2014), Page 1247-1252.
M.J. Connelly, “Dynamic modelling of slow-light in
a semiconductor optical amplifier including the effects of forced coherent population
oscillations by bias current modulation,” Semiconductor Lasers and Laser
Dynamics" conference, SPIE Photonics
Europe, Brussels, Belgium, 14-17 April 2014.
A. Meehan and M.J. Connelly, “Enhancement of the
low-frequency response of a reflective semiconductor optical amplifier slow
light-based microwave phase shifter by using forced coherent population
oscillations,” Semiconductor Lasers and
Laser Dynamics" conference, SPIE Photonics Europe, Brussels, Belgium,
14-17 April 2014.
S. Mazzucato, H. Carrère, X. Marie, T. Amand, M. Achouche, C. Caillaud, R. Brenot
and M. Connelly,” Wideband numerical model of a multiple quantum well SOA,” 4th Workshop on Theory, Modelling and
Computational methods for Semiconductors, Manchester, UK, Jan. 22-24, 2014.
L. Krzczanowicz and M.J. Connelly, ”40 Gb/s
NRZ-DQPSK Data All-Optical Wavelength Conversion Using SOA Four Wave Mixing,”
IEEE Photon Tech. Lett., 2014.
M.J. Connelly, ‘Modeling of Nonlinear Polarization Rotation in
Tensile-Strained Semiconductor Optical Amplifiers using Mueller Matrices and
Carrier Density Induced Refractive Index Change Calculations,’ Optics Communications, Vol. 308, pp. 70–73,
2013.
Z.V. Rizou, K.E. Zoiros, A. Hatziefremidis and
M.J. Connelly, “Design Analysis and Performance Optimization of a Lyot Filter for Semiconductor Optical Amplifier Pattern
Effect Suppression,” IEEE
J. Sel. Top. Quantum Electronics, Vol. 19, No. 5, 2013.
M.J. Connelly, “Dynamic
Modeling of Slow Light in Tensile-Strained Semiconductor Optical Amplifiers,”
13th IEEE International Conference on
Numerical Simulation of Optoelectronic Devices, Vancouver, August 19-22,
2013.
L. Krzczanowicz and M.J. Connelly, “Experimental
Evaluation of 40 Gb/s NRZ-DQPSK Data Amplification
Using a Semiconductor Optical Amplifier', 18th European Conference on Network and Optical Communications,
Graz, Austria, July, 2013.
L. Kredzinski and M.J.
Connelly, ‘Anti-stokes effect CCD camera and SLD based optical coherence
tomography for full-field imaging in the 1550 nm region,’ Biophotonics: Photonic Solutions for Better Health
Care Conference, Photonics Europe,
Brussels, Belgium, 16-19 April 2012.
K.E. Zoiros, C. L. Janer,
M.J. Connelly and E. Dimitriadou, ‘Reduction
of Pattern-Dependent Amplitude Modulation for RZ Data in Semiconductor Optical
Amplifier with Delay Interferometer,’ 8th IEEE, IET International Symposium on Communication Systems,
Networks and Digital Signal Processing, Poznan, Poland, 18-20 July, 2012.
C. O’Riordan and M.J. Connelly, “Repetition
Rate and Wavelength Tunable All-optical Actively Mode-locked Fiber Ring Laser
Based on a Reflective Semiconductor Optical Amplifier,” IET Communications, Vol. 6, No. 5, pp.
478-483, 2012.
M. Razaghi, M. Gandomkar,
V. Ahmadi, N. Das and M.J. Connelly, ”Picosecond wavelength conversion using semiconductor
optical amplifier integrated with microring resonator
notch filter,” J. Opt. Quantum Elect., Vol. 44, No. 3-5, pp. 255-263, 2012.
C.L. Janer and
M.J. Connelly "Modeling of Semiconductor Optical Amplifier RIN and Phase
Noise for Optical PSK Systems", J. Opt. Quantum Elect.,
Vol. 44, No. 3-5, pp. 219-225, 2012.
M.J. Connelly, “Reflective
Semiconductor Optical Amplifier Pulse Propagation Model,” IEEE Photon Tech. Lett., Vol. 24, No. 2,
pp. 95-97, 2012.
C.L. Janer and M.J. Connelly,
“Optical
phase conjugation technique using four-wave mixing in a semiconductor optical
amplifier,” Electron. Lett., vol. 47,
no. 12, pp. 716-717, 2011.
M.J. Connelly and C.L. Janer,
“Modeling
of Semiconductor Optical Amplifier RIN and Phase Noise for Optical PSK Systems ,”
11th IEEE International Conference on Numerical Simulation of
Optoelectronic Devices, Rome,
September 5-8, 2011.
Z.V. Rizou, K.E. Zoiros and M.J. Connelly, ”Modelling of semiconductor optical amplifier chirp compensation using optical delay interferometer,” 11th IEEE International Conference on Numerical Simulation of Optoelectronic Devices, Rome, September 5-8, 2011.
M. Razaghi, M. Gandomkar, V. Ahmadi, N. Das and M.J. Connelly, ”Numerical Analysis of Wavelength Conversion Based on Semiconductor Optical Amplifier Integrated with Microring Resonator Notch Filter,” 11th IEEE International Conference on Numerical Simulation of Optoelectronic Devices, Rome, September 5-8, 2011.
K.E. Zoiros, C. O’Riordan and M.J. Connelly,
“Suppression of Pattern Effect in Semiconductor Optical Amplifier Using
Birefringent Fiber Loop,” 6th European
Conference on Networks and Optical Communications, Newcastle, UK, 2011.
K.E. Zoiros, Z. Rizou and
M.J. Connelly, “On the Compensation of Chirp Induced from Semiconductor
Optical Amplifier on RZ Data Using Optical Delay Interferometer,”
Optic. Comms,
vol. 284, no. 14, pp. 3539-3547, 2011.
L. Kredzinski and M.J. Connelly, “1550 nm superluminescent diode and anti-Stokes effect CCD camera based optical coherence tomography for full-field optical metrology”, European Conference on Biomedical Optics, Munich, May 2011.
C.L. Janer and M.J. Connelly, “On the correct modeling of semiconductor optical amplifier RIN and phase noise for optical phase shift keyed communication systems,” Optics Express, vol. 18, no. 26, pp. 27455-27467, 2010.
L.
Kredzinski and M.J. Connelly, ‘Optical Coherence Tomography using a 1550 nm
Superluminescent Diode and Anti-Stokes Imaging Device for Full-Field Optical
Metrology’, BioPhotonics and Imaging Conference (BioPIC),
Ireland, October 18-20, 2010.
K.E.
Zoiros, C. L. Janer and M.J. Connelly, ‘Semiconductor
optical amplifier pattern effect suppression for RZ data using an optical delay
interferometer,’ J. Opt. Eng., vol. 49, no. 8,
2010.
M.J.
Connelly and C. O’Riordan, ‘Simple Model for Optical Pulse Propagation in a
Reflective Semiconductor Optical Amplifier,’ 10th IEEE International
Conference on Numerical Simulation of Optoelectronic Devices, Georgia
Institute of Technology, Atlanta, USA, September 2010.
M.J.
Connelly and C. O’Riordan, ‘Repetition Rate and Wavelength Tunable
All-Optically Mode-locked Fiber Ring Laser Based on a Reflective Semiconductor
Optical Amplifier,’ IEEE International Symposium, Communication Systems,
Networks and Digital Signal Processing, Newcastle, U.K., July, 2010.
T.
Arbuckle, M. J. Connelly, E. Mihaylova and V. Toal,
‘Implementation of Laser Doppler Vibrometer Employing Holographic Optical
Elements’, IEEE Sensors Applications Symposium, Limerick, Ireland, Feb.
23-25, 2010.
K.E.
Zoiros, C. O’Riordan and M.J. Connelly, 'Semiconductor
optical amplifier pattern effect suppression using a birefringent fiber loop,'
IEEE Photon Tech. Lett., Vol. 22, No. 4, pp. 221-223, 2010.
C.
O’Riordan and M.J. Connelly, 'Multiwavelength Actively Mode-locked Fiber Ring Laser with
a Dispersion Compensated Cavity,' Optic. Comms,
vol. 283, No. 9, pp. 1865-1868, 2010.
M.
Razaghi, V. Ahmadi and M.J. Connelly, “Femtosecond
pulse shaping using counter-propagating pulses in a semiconductor optical
amplifier", J. Opt.
Quant. Electron., vol. 42, pp. 513-523, 2009.
K.E.
Zoiros, C. O’Riordan and M.J. Connelly, “Semiconductor
optical amplifier pattern effect suppression using a Lyot filter”,
Electron. Lett.,
Vol. 45, No. 23, p.1187–1189, 2009.
Michael
J. Connelly, Kyriakos E. Zoiros and Colm O’ Riordan, ‘Semiconductor optical
amplifier pattern effect suppression using a Lyot filter,’ Japan-Europe Joint
Workshop, 9th International Symposium on
Advanced Organic Photonics, September 2009.
M.Razaghi, V. Ahmadi, M.J. Connelly and, K. A. Madanifar, 'Numerical modeling of
sub-picosecond counter-propagating pulses in semiconductor optical amplifiers,'
8th International Conference on Numerical
Simulation of Optoelectronic Devices, Gwangju,
Republic of Korea, September 2009.
M.
Razaghi, V. Ahmadi and M.J. Connelly, ‘Comprehensive Finite-Difference Time Dependent Beam
Propagation Model of Counter-Propagating Picosecond Pulses in a Semiconductor
Optical Amplifier,' IEEE Journal of Lightwave Technology,
Vol. 27. pp. 3162-3174, 2009.
M.
Razaghi, V. Ahmadi and M.J. Connelly, ‘Investigation Of Bidirectional
Femtosecond Pulses in SOAs Using A Modified Nonlinear Schrodinger Equation And
Improved Finite Difference Method’, Photonics 2008, New Delhi, India,
13-17 Dec., 2008.
M.
J. Connelly ,'Theoretical Calculations of the Carrier Induced Refractive
Index Change in Tensile-Strained InGaAsP for use in 1550 nm Semiconductor
Optical Amplifiers,' Appl. Phys. Lett, 93(18): pp.
181111-3, 2008.
M.
J. Connelly and L-Q. Guo, 'Mueller Matrix based Modeling of Nonlinear Polarization
Rotation in a Tensile-Strained Bulk SOA,' 8th
International Conference on Numerical Simulation of Optoelectronic Devices, Nottingham,
England, September 2008.
L-Q.
Guo and M.J. Connelly, ‘A novel approach to all-optical wavelength conversion by
utilizing a reflective semiconductor optical amplifier in a copropagation
scheme,’ Optic. Comms., Vol. 281, No. 17, pp.
4470-4473, 2008.
C.
O’Riordan, M. J. Connelly, I. Evans, P. M. Anandarajah, R. Maher and L.P.
Barry, ‘Triple-Wavelength
Fiber Ring Laser Based on a Hybrid Gain Medium Actively Mode-locked at 10 GHz,’
Sixth International Symposium, Communication Systems, Networks and Digital
Signal Processing, Graz, Austria, pp. 690-692, 23-25th July, 2008.
C.
O’Riordan, M. J. Connelly, P. M. Anandarajah, R. Maher and L.P. Barry, 'Lyot Filter based Multiwavelength Fiber Ring Laser Actively
Mode-locked at 10 GHz using an Electroabsorption Modulator,' Optics
Communications, vol. 281., no. 13, pp. 3538-3541, 2008.
M.J.
Connelly, L.P. Barry, B.F. Kennedy and D.A. Reid, ‘Numerical Analysis of Four-Wave Mixing between Picosecond
Mode-Locked Laser Pulses in a Tensile-Strained Bulk SOA,’ J. Opt. Quant. Electron, April, 2008.
P.
Egan, M.P. Whelan, F. Lakestani, and M.J. Connelly ,'Application
of a Logarithmic CMOS-DSP Camera in Low Coherence Interferometry'
IEEE Trans. Inst. Meas., Vol. 57, No. 1, pp. 34-139, 2008.
M.V.
Aguanno, F. Lakestani, M.P. Whelan and M.J. Connelly , 'Full-field heterodyne interferometry using a
digital CMOS-DSP camera for high resolution profilometry', J. Opt. Eng.,
46(9), 095601, September 2007.
L-Q.
Guo and M.J. Connelly, 'A Poincaré Approach to
Investigate Nonlinear Polarization Rotation in Semiconductor Optical Amplifiers
and its Application to All-Optical Wavelength Conversion',
Proc. of SPIE Vol. 6783, 678325, (2007) Optical Transmission, Switching,
and Subsystems V, Asia Pacific Optical Communications Conference, Wuhan,
China, November 2007.
I.
Evans, C. O'Riordan, M.J. Connelly, L.P. Barry, A.M. Clark and P. Anandarajah,
Investigation of Noise Suppression, Pulse Intensity and Chirp of an Actively
Mode-Locked Semiconductor Fiber Ring Laser, Optic. Comms., 280
pp. 142–146, 2007.
C.
O’Riordan, M. J. Connelly, I. Evans, P. M. Anandarajah, R. Maher
and L.P. Barry, 'Lyot filter based multiwavelength fiber ring laser actively mode-locked at 10
GHz using an electroabsorption modulator', Photonics Ireland Conference, September, 2007.
M.
Razaghi, V. Ahmadi and M.J. Connelly, 'Investigation of cross-phase modulation
effect on picosecond optical pulses in a semiconductor optical amplifier using
finite-difference beam propagation method,' Photonics Ireland Conference,
September, 2007.
M.J.
Connelly, L.P. Barry, B.F. Kennedy and D.A. Reid, 'Numerical
Analysis of Four-Wave Mixing between 2 ps mode-locked laser pulses in a
Tensile-Strained Bulk SOA,' 7th International
Conference on Numerical Simulation of Optoelectronic Devices, pp. 93-94,
Delaware, USA, September 2007.
C.
O’Riordan, M. J. Connelly, I. Evans, P. M. Anandarajah, R. Maher
and L.P. Barry ,'Actively mode-locked multiwavelength
fiber ring laser incorporating a lyot filter, hybrid
gain medium and a birefringence compensated LiNb03 modulator, China-Ireland
International Conference on Information and Communication Technologies, August
2007.
C.
O’Riordan, M. J. Connelly, I. Evans, P. M. Anandarajah, R. Maher
and L.P. Barry ,'Actively mode-locked multiwavelength fibre ring laser
incorporating a lyot Filter, hybrid gain medium and
birefringence compensated LiNbO3 modulator,' 9th
International Conference on Transparent Optical Networks (ICTON),
Rome, July, 2007.
C. O'Riordan and M.J. Connelly,
‘SOA and Lyot filter based multiwavelength
actively mode-locked fibre ring laser with modulator
birefringence compensation,’ European
Conference on Lasers and Electro-Optics (CLEO), June 2007.
M.J. Connelly, Aisling Clark, P.M.
Anandarajah and L.P. Barry, ‘Numerical Analysis of Picosecond Pulse Propagation
in a Tensile-Strained Semiconductor Optical Amplifier with Parameter Extraction
using Frequency Resolved Optical Gating’, paper no. ThG09, 13th European Conference on Integrated Optics,
Copenhagen, 25-27, April 2007.
P. Egan, F. Lakestani, M.P. Whelan
and M.J. Connelly, 'Anti-stokes imaging device used in full-field laser
metrology,' SPIE Newsroom, 10.1117/2.1200702.0571, 2007.
M.V.
Aguanno, F. Lakestani, M.P. Whelan and M.J. Connelly 'Heterodyne
speckle interferometer for full-field velocity profile measurements of a
vibrating membrane by electronic scanning,' Optics and Lasers
in Engineering, 45, pp. 677–683, 2007.
L-Q.
Guo and M.J. Connelly, 'A Mueller Matrix Formulism for Modeling Polarization
Azimuth and Ellipticity Angle in Semiconductor Optical Amplifiers in a
Pump-Probe Scheme,' IEEE J. Lightw. Technol., Vol. 25,
No. 1, pp. 410-420, 2007.
M.J.
Connelly, 'Wide-band Steady-State Numerical Model and Parameter
Extraction of a Tensile-Strained Bulk Semiconductor Optical Amplifier,' IEEE J. Quant. Electron., vol.
QE-43, No. 1, pp. 47-56, Jan. 2007.
P.
Egan, M.P. Whelan, F. Lakestani, and M.J. Connelly, 'Small
punch test: an approach to solve the inverse problem by deformation shape and
finite element optimization,' Computational Materials Science, vol. 40, No. 1, pp. 33-39, 2007.
P.
Egan, M.P. Whelan, F. Lakestani, and M.J. Connelly, 'Random
depth access full-field low-coherence interferometry applied to a small punch
test', Optics and Lasers in Engineering, vol. 45, pp.
523–529, 2007.
M.J. Connelly, 'Wideband Steady-State Numerical Model of a
Tensile-Strained Bulk SOA,' J.
Opt. Quant. Electron, Vol. 38, No.
12-14, pp. 1061-1068, 2006.
P.
Egan, F. Lakestani, M.P. Whelan, and M.J. Connelly, ‘Full-field phase
measurement by wavelength-tuning interferometry in the C-band,’ Opt. Eng. Vol. 45,
120504 (Dec. 4, 2006)
P.
Egan, M.P. Whelan, F. Lakestani and M.J. Connelly, 'Novel techniques for random depth access three-dimensional white-light
optical metrology', Conference on "Interferometry XIII:
Techniques and Analysis, SPIE Symposium on Optics & Photonics, San
Diego, August 2006.
L-Q. Guo
and M.J. Connelly, ‘All-optical AND gate with improved extinction ratio
using signal induced nonlinearities in a bulk semiconductor optical amplifier,’
Optics Express, Vol.14, No. 7, pp.
2938-2943, 2006.
P.
Egan, M. J. Connelly, F. Lakestani and M. P. Whelan,
‘Random
depth access full-field heterodyne low coherence interferometry utilizing
acousto-optic modulation and a complementary metal-oxide semiconductor camera’,
Optic. Lett., Vol. 31, No. 7, pp. 912-914, 2006.
B. Griffin and M.J. Connelly, “Interferometric Fiber Optic Sensor Interrogation System Using Digital Signal Processing and Synthetic-Heterodyne Detection,” 17th International Conference on Optical Fibre Sensors, edited by Marc Voet, Reinhardt Willsch, Wolfgang Ecke, Julian Jones, Brian Culshaw, Proceedings of SPIE Vol. 5885 (SPIE, Bellingham, WA, 2005), pp. 619-622.
A.M. Clarke, M.J. Connelly,
P.M. Anandarajah, L.P. Barry, and D.A. Reid
‘Characterisation of picosecond pulses propagating through a semiconductor
optical amplifier using frequency resolved optical gating;,
SPIE Opto Ireland Conference, April 2005.
S. Moloney
and M. Connelly, 'Strain sensing in carbon composite material using embedded
fibre Bragg grating sensors', SPIE Opto Ireland
Conference, April 2005.
P. Egan, F. Lakestani,
M.P. Whelan and M.J. Connelly, ‘Direct readout CMOS camera with applications to
full-field optical coherence tomography,’ SPIE Opto
Ireland Conference, April 2005.
L-Q. Guo
and M.J. Connelly,’ A study of birefringence effects in a bulk semiconductor
optical amplifier and its application to all-optical wavelength conversion’,
SPIE Opto Ireland Conference, April 2005.
Ivan Evans and M.J. Connelly,
‘Multiwavelength semiconductor fibre ring laser utilising a Lyot
filter,’ SPIE Opto Ireland Conference, April 2005.
D.I. Forsyth and M.J. Connelly,
‘SOA intensity noise reduction in spectrum sliced WDM systems,’ SPIE Opto Ireland Conference, April 2005.
B. Griffin and M.J. Connelly,
‘Interferometric Fiber Optical Sensing via digital Digital
Signal Processing’, SPIE Opto Ireland Conference,
April 2005.
S. Moloney, M.J. Connelly and P. Butler,
‘Tunable
laser-based carbon composite strain sensing system using wavelength division
multiplexed fiber Bragg grating sensors’, Proc. of SPIE Vol.
5758 Smart Structures and Materials 2005: Smart Sensor Technology and
Measurement Systems, pp. 13-19.
M.J. Connelly, ‘Wideband steady-state numerical model of a
tensile-strained bulk semiconductor optical amplifier,’ Conference on Physics and Simulation of Optoelectronic Devices XIII,
International Symposium on Integrated Optoelectronic Devices 2005, Photonics West, 22-27 January 2005, San
Jose, CA USA.
M.J. Connelly, ‘Semiconductor
Optical Amplifier Parameter Extraction using a Wideband Steady-State Numerical
Model and the Levenberg-Marquardt Method’, 4th IEEE International Conference on
Numerical Simulation of Optoelectronic Devices, University of California, Santa
Barbara, August 24-26, 2004.
M.J. Connelly, ‘Numerical
Simulation of Semiconductor Optical Amplifiers,’ (Invited paper), Conference on Emerging Technologies in
Optical Sciences, ETOS, University College Cork, Ireland, July 26-29, 2004.
D.I. Forsyth and M.J. Connelly,’Dual semiconductor optical amplifier polarisation
diversity wavelength conversion using four-wave mixing with electronic
feedback’, Conference on Emerging
Technologies in Optical Sciences, ETOS, University College Cork, Ireland,
July 26-29, 2004.
P. Egan, F. Lakestani,
M.P. Whelan, and M.J. Connelly, ‘Optical coherence tomography using a
programmable CMOS camera’, Irish Signals
and Systems Conference, July 2004.
L-Q. Guo
and M.J. Connelly, ‘All-Optical Wavelength Conversion Using Birefringence
Effects in a Bulk Semiconductor Optical Amplifier,’ Irish Signals and Systems Conference July 2004.
B.
Griffin and M.J. Connelly, 'Demodulation Schemes for Interferometric Optical
Fiber Sensors', Fourth International
Symposium, Communication Systems, Networks and Digital Signal Processing,
Newcastle, July 20-22, 2004.
D.I. Forsyth and M.J. Connelly,
'Dual semiconductor optical amplifier polarisation independent wavelength
conversion using four-wave mixing', Fourth
International Symposium, Communication Systems, Networks and Digital Signal
Processing, Newcastle, July 20-22,
2004.
B. Griffin and M.J. Connelly,
'The Employment of a Digital Signal Processor in Interferometric Fiber Optic
Sensing', ODIMAP IV, 4th Topical Meeting
on Optoelectronic Distance/Displacement Measurements and Applications,
University of Oulu, Oulu, Finland, June 16-18, 2004.
S. Moloney
and M.J. Connelly, 'Distributed Strain Sensing in Carbon Composite Material
Using Multiplexed Fibre Bragg Gratings', ODIMAP
IV, 4th Topical Meeting on Optoelectronic Distance/Displacement Measurements
and Applications, University of Oulu, Oulu, Finland, June 16-18, 2004.
M.J. Connelly, ‘Numerical Analysis of Picosecond Pulse Propagation in Semiconductor Optical amplifiers using the Modified Schrodinger Equation’, Annual Symposium, Irish Society for Scientific and Engineering Computation, May 2004.
M.V. Aguanno,
F. Lakestani, M.P. Whelan and M.J. Connelly, Single-pixel
carrier based approach for full-field laser interferometry using a CMOS-DSP
camera, in proc. Optical Systems Design 2003 Symposium, St.
Etienne, France, 19th September – 3rd October 2003.
M.J.
Connelly ,'Semiconductor Amplifiers and Their Applications'
(Invited paper),3rd Spanish Meeting of Optoelectronics, OPTOEL'03, Madrid,
Spain, 14-16 July 2003.
B. Griffin and M.J. Connelly, 'Demodulation Schemes for Interferometric Optical Fiber Sensors', in Proc. Irish Signals and Systems Conference, 2003.
S. Moloney and M.J. Connelly, 'Use of multiplexed fibre Bragg grating strain sensors for aerospace applications', in Proc. Irish Signals and Systems Conference, 2003.
M.J.
Connelly, 'Digital synthetic-heterodyne interferometric demodulation',
Journal of Optics A: Pure and Applied Optics, Vol. 4, pp. 400-405, 2002.
M.J.
Connelly, 'Fibre-wireless broadband access networks,' (Invited paper) URSI
symposium on wireless communications, Royal Irish Academy, Dublin, 6th Dec., 2002.
M.J.
Connelly, ‘Wideband dynamic numerical model of a tapered buried ridge stripe
semiconductor optical amplifier gate’, IEE Proceedings -
Circuits, Devices and Systems, pp. 173-178, 2002.
J O'Carroll and M. J. Connelly, 'Signalling information detection using a semiconductor optical amplifier', in Proc. Third International Symposium on Communication Systems and Digital Signal Processing, pp. 132-135, July 2002.
M. O'Flanagan
and M. J. Connelly, 'Characterisation and modelling of an SOA wavelength
router', in Proc. Third International Symposium on Communication Systems and
Digital Signal Processing, pp. 129-131, July 2002.
M.V.
Aguanno, M.J. Connelly and M. Whelan,
'Full field laser vibrometry employing a novel CMOS-DSP camera',
Proceedings of SPIE - The International Society for Optical Engineering, v
4827, 2002, p 123-132, Fifth International Conference on Vibration Measurements
by Laser Techniques: Advances and Applications, Ancona, Italy.
M.
O’Flanagan and M.J. Connelly, ‘SOA gate array
characterisation and modelling’, Joint
Ireland and UK URSI symposium, Malvern, U.K., 2001.
J.
O’Carroll and M.J. Connelly, ‘Gate array signalling information detection using
a semiconductor optical amplifier’, Joint
Ireland and UK URSI symposium, Malvern, U.K., 2001.
M.J. Connelly and Whelan M,
‘Analysis of Digital Synthetic-Heterodyne Detection in Fibre Cavity Sensors ,
in Proc. IEEE Conference on Optoelectronic Distance/Displacement Measurements
and Applications, Pavia, Italy, September, 2001.
M.J. Connelly and Whelan M,
‘Optical Fibre Cavity Sensor Using Digital Synthetic-Heterodyne Detection', in
Proc. Irish Signals and Systems Conference, July,
2001.
Aguanno M.V., M.J. Connelly and Whelan M.,
‘Real Time Image Processing for Laser based Material Diagnostics’, in Proc.
Irish Signals and Systems Conference, July, 2001.
M.J. Connelly, ‘Wideband
semiconductor optical amplifier steady-state numerical model,’
IEEE Journal of Quantum Electronics, Vol. QE-37, pp. 439-447, 2001.
M.J. Connelly, ‘Wavelength
Router based on Semiconductor Optical Amplifier Photonic Switches’ in Irish
Scientist, 2000.
M.J. Connelly, R. Kenny and M.
Whelan, ‘Digital synthetic-heterodyne detection of dynamic pressure in an
optical fibre cavity sensor,’ in Proc. Applied Optics and Optoelectronics
Conference, Institute of Physics, paper IT.2.5, 17-21 September 2000.
M.J. Connelly, ‘Wideband
semiconductor optical amplifier steady-state model,’ IEEE Symposium on
Communication Systems and Digital Signal Processing, Bournemouth U.K. 18th-20th
July 2000.
M.J. Connelly, ‘Functional
Applications of Semiconductor Optical Amplifiers in Optically Transparent
Networks,’ Joint Ireland and UK URSI symposium, Dublin, 3-4 Dec. 1998.
M.J. Connelly, ‘Noise and
signal distortion at high-bit rates in wavelength converters based on nearly
degenerate four-wave mixing in semiconductor optical amplifiers,’ IEEE
Symposium on Communication Systems and Digital Signal Processing, Sheffield,
U.K., 6-8th April, 1998.
M.J. Connelly, ‘Optically
preamplified interferometric fibre optic acoustic sensor multiplex
characteristics,’ in Proc. Applied Optics & Optoelectronics
Conference, Institute of Physics, Brighton, 16-19th March 1998.
M.J. Connelly, ‘Interferometric
Fibre Optic Acoustic Sensor’, Optical Engineering and Photonics Euro '97,
1997.
M.J. Connelly, ‘Fabry-Perot
semiconductor laser half-duplex transmitter/receiver for use in point-to-point
optical links', Optical Engineering and Photonics Euro '96, 31th May-1st
June, 1996.
M.J. Connelly and R.F. O'Dowd,
‘Noise
characteristics of a travelling-wave semiconductor laser amplifier detector,’
IEE Proc. Pt. J., Optoelectronics, Vol. 142, pp. 23-28, 1995.
M. Le Ligne,
M.J. Connelly et al., ‘Two-section semiconductor laser amplifier used as a pure
phase modulator in a DPSK system,’ J. Opt. Comms.,
vol. 15, pp. 82-85, 1994.
M.J. Connelly and R.F. O'Dowd,
‘Two-section travelling-wave semiconductor laser amplifier time division
demultiplexer,’ SPIE J. Optical Engineering, Vol. 33, pp. 3909-3912, 1994.
M.J. Connelly and R. F. O'Dowd,
"Spectral
linewidth broadening in semiconductor laser amplifiers with finite facet
reflectivities: Experimental verification", IEEE J. Lightw.
Technol., vol. 10, pp. 1731-1734, 1992.
M.J. Connelly and R. F. O'Dowd,
"Theory
of signal degradation in semiconductor laser amplifiers with finite facet
reflectivities", IEEE J. Quant. Electron., vol. 27, pp.
2397-2403, 1991.
Matlab code:
SOA model described in M.J. Connelly, ‘Wideband
semiconductor optical amplifier steady-state numerical model,’ IEEE
Journal of Quantum Electronics, Vol. QE-37, pp. 439-447, 2001.
, and Chirped super Gaussian pulse.
Both
are available to download at Matlab Central