Publications
Journal and conference papers
The lists below contain my earlier papers. For the complete and most recent list of publications, citations and metrics, please see my Google Scholar profile.
Journal papers
2013
M. Razaghi, A. Nosratpour and N. K. Das, “Ultrafast all optical AND logic gate demonstration and optimization using four wave mixing effect in semiconductor optical amplifier,” Quantum Electronics Journal, Vol. 43, pp. 184-187, 2013. Link
2012
M. Razaghi, M. Gandomkar, V. Ahmadi, N. K. Das and M. J. Connelly, “Picosecond wavelength conversion using semiconductor optical amplifier integrated with microring resonator notch filter,” Optical and Quantum Electronics Journal, Vol. 44, pp. 255-263, 2012. Link
S.R. Hosseini, M. Razaghi and N. K. Das, “Analysis of Non-Linear Refractive Index Influences on Four-Wave Mixing Conversion Efficiency in Semiconductor Optical Amplifiers,” J. of Optics & Laser Technology, Vol. 44, pp. 528-533, 2012. Link
2011
S.R. Hosseini, M. Razaghi and N. K. Das, “Analysis of ultrafast nonlinear phenomena's influences on output optical pulses and four-wave mixing characteristics in semiconductor optical amplifiers,” Optical and Quantum Electronics Journal, Vol. 42, pp. 729-737, 2011. Link
2009
M. Razaghi, V. Ahmadi and M. J. Connelly, “Femtosecond pulse shaping using counter-propagating pulses in a semiconductor optical amplifier,” Optical and Quantum Electronics Journal, Vol. 41, pp. 513-523, 2009. Link
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-OSA Journal of Lightwave Technology, Vol. 27, no. 15, pp. 3162-3174, 2009. Link
H. Aghajanpour, V. Ahmadi, M. Razaghi, “Ultra-short optical pulse shaping using semiconductor optical amplifier,” J. of Optics & Laser Technology, Vol. 41, pp. 654-658. 2009. Link
2008
M. Razaghi, A. Zarifkar, B.H.S. Mahalle, V. Ahmadi, “Calculation of the spontaneous emission spatial dependency in semiconductor laser using transmission line model,” Proc. SPIE, Vol. 7009, pp. 70090A-1/4, 2008.
2007
M. Razaghi, V. Ahmadi, and A. Zarifkar, “Dynamic Analysis of Semiconductor Laser Amplifier Using Transfer Matrix Method,” Modarres Technical and Engineering Journal, No. 26, pp. 1-9, 2007.
Conference papers
2012
M. Jamali, V. Ahmadi and M. Razaghi, “Switching Characteristics of SOA-based Sagnac Interferometer for Subpicosecond Pulses,” 6th International Symposium on Telecommunications, Tehran, Iran, 2012.
N. Das, M. Razaghi and S. R. Hosseini, “Four-Wave Mixing in Semiconductor Optical Amplifiers for High-Speed Communications,” 5th International Conference on Computers and Devices for Communication, Kolkata, India,2012.
V. Ahmadi, M. Jamali and M. Razaghi, “Self-switching using SOA-assisted Sagnac interferometer,” 12th International Conference on Numerical Simulation of Optoelectronic Devices, Shanghai, China, pp. 69-70, 2012. Link
M. Jamali, V. Ahmadi and M. Razaghi, “Dispersion Management and Optical Pulse Shaping in Nano Photonic Crystal Fiber Coupled with SOA,” International Congress on Nanoscience & Nanotechnology, Kashan, Iran, Paper No. 846, 2012.
M. Jamali, V. Ahmadi and M. Razaghi, “Simulation and Analysis of the Effect of Semiconductor Optical Amplifier Carrier Dynamics on the Performance of Interference Sagnac Switch,” The Yearly meeting on Optical Fiber Amplifiers, Kerman, Iran, Paper No. 136, 2012.
Y. Khorrami, V. Ahmadi and M. Razaghi, “Tb/s All-Optical Nonlinear Switching Using Semiconductor Optical Amplifier Based Mach-Zehnder Interferometer,” 20th Iranian Conference on Electrical Engineering, Tehran, Iran, pp. 118 – 123, 2012. Link
2011
M. Razaghi, M. Gandomkar, V. Ahmadi, N. K. Das and M. J. Connelly, “Numerical analysis of wavelength conversion based on semiconductor optical amplifier integrated with microring resonator notch filter,” 11th International Conference on Numerical Simulation of Optoelectronic Devices, Rome, Italy, pp. 101-102, 2011. Link
S. R. Hosseini, M. Razaghi and N. K. Das, “Evolution of the Generated Four-Wave Mixing Signal in Semiconductor Optical Amplifiers,” 4th Iranian Conference on Photonics Engineering, Tabriz, Iran, pp. 217-220, 2011.
A Nosratpour and M. Razaghi, “All optical AND gate numerical simulation using semiconductor optical amplifier in 50 Gb/s bit-rate,” 4th Iranian Conference on Photonics Engineering, Tabriz, Iran, pp. 217-220, 2011. (In Persian)
S. R. Hosseini, M. Razaghi, N. K. Das and V. Ahmadi, “Input Pump Pulse Energy Optimisation to Maximise Four-Wave Mixing Conversion Efficiency in Semiconductor Optical Amplifier,” 19th Iranian Conference on Electrical Engineering, Iran, 2011.
2010
S. R. Hosseini, M. Razaghi and N. K. Das, “Impact of Non-Linear Refractive Indexes on the Four-Wave Mixing Conversion Efficiency in Semiconductor Optical Amplifiers,” 17th Iranian Conference on Optics and Photonics, Kerman, Iran, pp. 1309-1312, 2010.
Y. Khorrami, V. Ahmadi and M. Razaghi, “Two Photon Absorption Effect on Nonlinear SOA-MZI Switching,” 17th Iranian Conference on Optics and Photonics, Kerman, Iran, pp. 873-876, 2010.
S.R. Hosseini, M. Razaghi and N. K. Das, “Four-wave mixing signal shaping scheme using semiconductor optical amplifier for optical communication systems,” 1st International Conference on Communications Engineering, Zahedan, Iran, pp. 9. 2010.
Y. Khorrami, V. Ahmadi and M. Razaghi, “Nonlinear Self-switching Using SOA Based MZI,” Accepted in OSA-IEEE-COS Topical Meeting on Advances in Optoelectronics and Micro/nano-optics, Guangzhou, China, 2010.
S.R. Hosseini, M. Razaghi and N.K. Das, “Investigation of input pulsewidth, medium loss and gain effect on the output pulse characteristics of semiconductor optical amplifier,” 10th International Conference on Numerical Simulation of Optoelectronic Devices, Atlanta, USA, pp. 43-44, 2010.
2009
M. Razaghi, V. Ahmadi, M. J. Connelly and K. A. Madanifar, “Numerical modeling of sub-picosecond counter-propagation pulses in semiconductor optical amplifiers,” 9th International Conference on Numerical Simulation of Optoelectronic Devices, Korea, pp. 59-60, 2009.
K. Abedi, V. Ahmadi, M. K. Moravvej-Farshi and M. Razaghi, “Optical analysis of mushroom-type traveling wave electroabsorption modulators using full-vectorial finite difference method,” 9th International Conference on Numerical Simulation of Optoelectronic Devices, Korea, pp. 49-50, 2009.
2008
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 Conference, India, pp. 108, 2008.
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, Ireland, September, pp. 81, 2007.
2005
M. Razaghi, A. Zarifkar, B.H.S. Mahalle and V. Ahmadi, “Calculation of the spontaneous emission spatial dependency in semiconductor laser using transmission line model,” 7th International Conference on Laser and Fiber-Optical Networks Modeling, Ukraine, pp. 31-34, 2005.
M.H. Yavari, V. Ahmadi, F. Shahshahani and M. Razaghi, “Numerical analysis of three section distributed Bragg reflector tunable laser diode with modified oscillation condition based on the transfer matrix method,” Second IEEE Conf. on Wireless and Optical Communication Networks, UAE, pp. 187-191, 2005.
M. Razaghi, V. Ahmadi, K. Farahani, A. Zarifkar, M. Soroosh and M.K. Moravvej-Farshi, “Investigation of transient amplified spontaneous emission in semiconductor laser amplifier,” Second IEEE Conf. on Wireless and Optical Communication Networks, UAE, pp. 178-181, 2005.
M. Soroosh, F. Gity, A.R. Sherafat, K. Farahani and M. Razaghi, “A neural network model for determination of the breakdown voltage for separate absorption and multiplication region avalanche photodiode (SAM-APD),” Second IEEE Conf. on Wireless and Optical Communication Networks, UAE, pp. 173-177, 2005.
2004
Kh. Farahani, M. Razaghi, A. Zarifkar and M.K. Moravvej-Farshi, “A New Approach for Multi Wavelength Dynamic Analysis of Semiconductor Laser Amplifier Using Numerical Method,” IEEE International Conference on Semiconductor Electronics, Malaysia,pp. 311-316, 2004.
M. Soroosh, A. Zarifkar, M. Razaghi and M.K. Moravvej-Farshi, “Separate Absorption and Multiplication Avalanche Photodiode Model (SAM-APD) for Circuit Simulation,” IEEE GCC Conference & Exhibition Advancing Technology, Bahrain, pp. 606-609, 2004.
M. Soroosh, A. Zarifkar, M. Razaghi and M. K. Moravvej-Farshi, “A neural network model for determination of excess noise factor for separate absorption and multiplication region avalanche photodiode,” International Conference on Optics & Photonics, Japan, pp. 403-404, 2004.
M. Razaghi, A. Zarifkar, M. Soroosh and V. Ahmadi, “Steady State Distributed Equivalent Circuit Model for Semiconductor Laser Amplifier,” International Conference on Optics & Photonics, Japan, pp. 401-402, 2004.
2003
M. Razaghi, V. Ahmadi and A. Zarifkar, “Numerical method for dynamic gain analysis semiconductor laser amplifier,” Third Australasian Conference on Optic Laser and Spectroscopy, Australia, pp. 249, 2003.