Tunable homodyne detection using nonlinear optical signal processing to automatically lock a "local" pump laser to an incoming 20-to-40-Gbaud QPSK data signal. - M. R. Chitgarha; Yinwen Cao; A. Mohajerin-Ariaei; Morteza Ziyadi; Salman Khaleghi; Ahmed Almaiman; Joseph D. Touch; Carsten Langrock; Martin M. Fejer; Alan E. Willner (ECOC, 2014)

Bit-rate-tunable regeneration of 30-Gbaud QPSK data using phase quantization and amplitude saturation. - A. Mohajerin-Ariaei; Youichi Akasaka; Jeng-Yuan Yang; M. R. Chitgarha; Morteza Ziyadi; Yinwen Cao; Ahmed Almaiman; Joseph D. Touch; Moshe Tur; M. Sekiya; Shigehiro Takasaka; Ryuichi Sugizaki; et al. (ECOC, 2014)

Optical channel de-aggregator of 30-Gbaud QPSK and 20-Gbaud 8-PSK data using mapping onto constellation axes. - Morteza Ziyadi; Amirhossein Mohajerin Ariaei; Mohammad Reza Chitgarha; Yinwen Cao; Salman Khaleghi; Ahmed Almaiman; Joe Touch; Loukas Paraschis; Moshe Tur; Carsten Langrock; Martin M. Fejer; Alan E. Willner (ECOC, 2014)

Experimental demonstration of robustness and accuracy of an MZI-based OSNR monitor under transmitter drift and reconfigurable networking conditions for pol-muxed 25-Gbaud QPSK and 16-QAM channels. - Ahmed Almaiman; M. R. Chitgarha; W. Daab; Morteza Ziyadi; A. Mohajerin-Ariaei; Salman Khaleghi; Moshe Willner; V. Vusirikala; X. Zhao; Dan Kilper; Loukas Paraschis; Atiyah Ahsan; et al. (OFC, 2014)

Experimental demonstration of all-optical phase noise mitigation of 40-Gbits/s QPSK signals by mixing differentially delayed nonlinear products. - A. Mohajerin-Ariaei; M. R. Chitgarha; Morteza Ziyadi; Salman Khaleghi; Ahmed Almaiman; M. J. Willner; Joseph D. Touch; Jeng-Yuan Yang; Youichi Akasaka; M. Sekiya; Moshe Tur; Loukas Paraschis; et al. (OFC, 2014)

Experimental demonstration of optical Nyquist generation of 32-Gbaud QPSK using a comb-based tunable optical tapped-delay-line FIR filter. - Morteza Ziyadi; M. R. Chitgarha; A. Mohajerin-Ariaei; Salman Khaleghi; Ahmed Almaiman; M. J. Willner; Joseph D. Touch; Moshe Tur; Loukas Paraschis; Carsten Langrock; Martin M. Fejer; Alan E. Willner (OFC, 2014)

Experimental demonstration of Raman-assisted phase sensitive amplifier with negligible gain/power fluctuation. - Youichi Akasaka; Jeng-Yuan Yang; M. Sekiya; Tadashi Ikeuchi; Yinwen Cao; Ahmed Almaiman; Morteza Ziyadi; A. Mohajerin-Ariaei; Peicheng Liao; Alan E. Willner; Shigehiro Takasaka; Ryuichi Sugizaki (ECOC, 2015)

Demonstration of a fine and coarse tunable buffer for multiple discrete and simultaneous signal access using a frequency comb, wavelength conversion and chromatic dispersion. - Ahmed Almaiman; A. Mohajerin-Ariaei; Morteza Ziyadi; Yinwen Cao; Changjing Bao; Peicheng Liao; B. Shamee; Youichi Akasaka; Jeng-Yuan Yang; M. Sekiya; Carsten Langrock; Martin M. Fejer; et al. (ECOC, 2015)

Reconfigurable optical inter-channel interference compensation of 20/25-Gbaud QPSK signals using nonlinear wave mixing. - Yinwen Cao; Morteza Ziyadi; A. Mohajerin-Ariaei; Ahmed Almaiman; P. Liao; Changjing Bao; B. Shamee; J. Yang; Youichi Akasaka; M. Sekiya; Moshe Tur; Carsten Langrock; et al. (ECOC, 2015)

Experimental demonstration of optical signal level swapping and multi-level amplitude noise mitigation using three parametric gain regions. - Yinwen Cao; Morteza Ziyadi; Youichi Akasaka; Amirhossein Mohajerin Ariaei; Jeng-Yuan Yang; Ahmed Almaiman; Peicheng Liao; Shigehiro Takasaka; Ryuichi Sugizaki; Joseph D. Touch; M. Sekiya; Moshe Tur; et al. (OFC, 2015)

Experimental demonstration of tunable phase-noise mitigation and automatic frequency/phase locking for a 20-32 Gbaud QPSK homodyne receiver using optical mixing of nonlinearly generated higher harmonics. - A. Mohajerin-Ariaei; Morteza Ziyadi; M. R. Chitgarha; Ahmed Almaiman; Yinwen Cao; Youichi Akasaka; Jeng-Yuan Yang; M. Sekiya; Joseph D. Touch; Moshe Tur; Shigehiro Takasaka; Ryuichi Sugizaki; et al. (OFC, 2015)

Experimental demonstration of phase-sensitive regeneration of a 10-20 Gb/s BPSK channel without a phase-locked loop using Brillouin amplification. - Ahmed Almaiman; Yinwen Cao; Morteza Ziyadi; Peicheng Liao; A. Mohajerin-Ariaei; Changjing Bao; Fatemeh Alishahi; Ahmad Fallahpour; B. Shamee; Asher J. Willner; Nisar Ahmed; Youichi Akasaka; et al. (OFC, 2016)

Demonstration of automatically phase-locked self-homodyne detection with a low-power pilot tone based on brillouin amplification and optical frequency combs. - Yinwen Cao; Ahmed Almaiman; Morteza Ziyadi; Peicheng Liao; A. Mohajerin-Ariaei; Fatemeh Alishahi; Changjing Bao; Ahmad Fallahpour; B. Shamee; Youichi Akasaka; Tadashi Ikeuchi; Steven R. Wilkinson; et al. (OFC, 2016)

Wavelength and pump power characterization of low-phase-noise Kerr frequency comb lines. - Peicheng Liao; Changjing Bao; Martin Hubert Peter Pfeiffer; Maxim Karpov; Yan Yan 010; Lin Zhang 037; Yinwen Cao; Ahmed Almaiman; Morteza Ziyadi; Asher J. Willner; Steven R. Wilkinson; Moshe Tur; et al. (OFC, 2016)

Experimental Investigation on the Effect of Central Wavelength Tuning of FBG-Based Phase Shifter for Raman-Assisted Phase Sensitive Amplifier. - Yinwen Cao; Haoqian Song; Youichi Akasaka; Ahmed Almaiman; Amirhossein Mohajerin Ariaei; Changjing Bao; Peicheng Liao; Fatemeh Alishahi; Ahmad Fallahpour; Tadashi Ikeuchi; Dmitry Starodubov; Joseph D. Touch; et al. (ECOC, 2017)

Experimental demonstration of Raman-assisted phase sensitive amplifier with reduced ASE noise level and more than 25dB net gain. - Yinwen Cao; Ahmed Almaiman; Youichi Akasaka; Fatemeh Alishahi; Morteza Ziyadi; A. Mohajerin-Ariaei; Changjing Bao; Peicheng Liao; Ahmad Fallahpour; B. Shamee; Tadashi Ikeuchi; Shigehiro Takasaka; et al. (OFC, 2017)

Experimental demonstration of tunable optical channel slicing and stitching to enable dynamic bandwidth allocation. - Yinwen Cao; Ahmed Almaiman; Morteza Ziyadi; A. Mohajerin-Ariaei; Changjing Bao; Peicheng Liao; Fatemeh Alishahi; Ahmad Fallahpour; Youichi Akasaka; Carsten Langrock; Martin M. Fejer; Joseph D. Touch; et al. (OFC, 2017)

Experimental demonstration of tunable optical de-aggregation of each of multiple wavelength 16-QAM channels into two 4-PAM channels. - Ahmad Fallahpour; Morteza Ziyadi; A. Mohajerin-Ariaei; Yinwen Cao; Ahmed Almaiman; Fatemeh Alishahi; Changjing Bao; Peicheng Liao; B. Shamee; Loukas Paraschis; Moshe Tur; Carsten Langrock; et al. (OFC, 2017)

Experimental investigation of the effect of EDFA-generated ASE noise added to the pump of a Kerr frequency comb. - Peicheng Liao; Changjing Bao; Arne Kordts; Maxim Karpov; Martin Hubert Peter Pfeiffer; Lin Zhang 037; Yinwen Cao; Ahmed Almaiman; Morteza Ziyadi; Amirhossein Mohajerin Ariaei; Fatemeh Alishahi; Ahmad Fallahpour; et al. (OFC, 2017)

Demonstration of tunable mitigation of interchannel interference of spectrally overlapped 16-QAM/QPSK data channels using wave mixing of delayed copies. - A. Mohajerin-Ariaei; Morteza Ziyadi; Yinwen Cao; Ahmed Almaiman; Fatemeh Alishahi; Ahmad Fallahpour; Changjing Bao; Peicheng Liao; B. Shamee; Joseph D. Touch; Moshe Tur; Carsten Langrock; et al. (OFC, 2017)

Coarse and Fine Continuously Tunable Optical Delay Using the Time-of-flight in Fiber Bragg Gratings and Wavelength Conversion. - Ahmed Almaiman; Yinwen Cao; A. Mohajerin-Ariaei; Fatemeh Alishahi; Ahmad Fallahpour; Dmitry Starodubov; Peicheng Liao; Changjing Bao; Shlomo Zach; Nadav Cohen; Moshe Tur; Alan E. Willner (OFC, 2018)

Experimental Utilization of Repeated Spatial-Mode Shifting for Achieving Discrete Delays in a Free-Space Recirculating Loop. - Ahmed Almaiman; A. Mohajerin-Ariaei; Guodong Xie; Zhe Zhao 003; Yinwen Cao; Fatemeh Alishahi; Peicheng Liao; Changjing Bao; Ahmad Fallahpour; B. Shamee; Youichi Akasaka; Shlomo Zach; et al. (OFC, 2018)

Demonstration of 30Gbit/s QPSK-to-PAM4 Data-Format and Wavelength Conversion to Enable All-Optical Gateway from Long-haul to Datacenter. - Ahmad Fallahpour; A. Mohajerin-Ariaei; Ahmed Almaiman; Yinwen Cao; Fatemeh Alishahi; Changjing Bao; Peicheng Liao; Morteza Ziyadi; B. Shamee; Dmitry Starodubov; Moshe Tur; Carsten Langrock; et al. (OFC, 2018)

Demonstration of Multiple Kerr-Frequency-Comb Generation Using Different Lines from Another Kerr Comb Located up to a 50 km Distance. - Peicheng Liao; Changjing Bao; Ahmed Almaiman; Arne Kordts; Maxim Karpov; Martin Hubert Peter Pfeiffer; Lin Zhang 037; Fatemeh Alishahi; Kaiheng Zou; Yinwen Cao; Amirhossein Mohajerin Ariaei; Ahmad Fallahpour; et al. (OFC, 2018)

Optical Mitigation of Inter-Channel Crosstalk for Multiple Spectrally Overlapped 40-Gbit/s QPSK WDM Channels using Nonlinear Wave Mixing. - A. Mohajerin-Ariaei; Fatemeh Alishahi; Ahmad Fallahpour; Yinwen Cao; Ahmed Almaiman; Changjing Bao; Peicheng Liao; B. Shamee; Joseph D. Touch; Moshe Tur; Carsten Langrock; Martin M. Fejer; et al. (OFC, 2018)

Demonstration of Both Mode and Space Diversity in a 100-Gbit/s QPSK Free-Space Optical Link to Increase System Tolerance to Turbulence. - Long Li 001; Haoqian Song; Runzhou Zhang; Zhe Zhao 003; Cong Liu 010; Kai Pang; Hao Song 006; Jing Du 008; Ari N. Willner; Ahmed Almaiman; Brittany Lynn; Robert Bock; et al. (OFC, 2019)

Experimental Generation and Time Multiplexing of Data-Carrying Nyquist Sinc Shaped Channels from a Single Microresonator-Based Kerr Frequency Comb. - Fatemeh Alishahi; Ahmad Fallahpour; Kaiheng Zou; Yinwen Cao; Arne Kordts; Maxim Karpov; Martin H. Pfeiffer; Peicheng Liao; Ahmed Almaiman; Huibin Zhou; Karapet Manukyan; Tobias J. Kippenberg; et al. (OFC, 2019)

Demonstration of Tunable Optical Single-Sideband Generation of 20-Gbit/s OOK and PAM4 Data Channels. - Yinwen Cao; Kaiheng Zou; Huibin Zhou; Ahmed Almaiman; Peicheng Liao; Fatemeh Alishahi; Ahmad Fallahpour; Karapet Manukyan; Alan E. Willner (OFC, 2019)

Demonstration of Tunable and Reconfigurable Optical Nyquist Channel Aggregation of QPSK-to-16QAM and BPSK-to-4PAM using Nonlinear Wave Mixing and a Kerr Frequency Comb. - Ahmad Fallahpour; Fatemeh Alishahi; Kaiheng Zou; Yinwen Cao; Ahmed Almaiman; Arne Kordts; Maxim Karpov; Martin H. Pfeiffer; Karapet Manukyan; Huibin Zhou; Peicheng Liao; Moshe Tur; et al. (OFC, 2019)

Experimental Mitigation of Atmospheric Turbulence Effect using Pre-Channel Combining Phase Patterns for Uni- and Bi-Directional Free-Space Optical Links with two 100-Gbit/s OAM-Multiplexed Channels. - Haoqian Song; Hao Song 006; Runzhou Zhang; Karapet Manukyan; Long Li 001; Zhe Zhao 003; Kai Pang; Cong Liu 010; Ahmed Almaiman; Robert Bock; Brittany Lynn; Moshe Tur; et al. (OFC, 2019)

Using a Hybrid Si/III-V Semiconductor Laser to Carry 16- and 64-QAM Data Signals over an 80-km Distance. - Kaiheng Zou; Zhewei Zhang; Peicheng Liao; Huolei Wang; Yinwen Cao; Ahmed Almaiman; Ahmad Fallahpour; Naresh Satyan; George Rakuljic; Moshe Tur; Amnon Yariv; Alan E. Willner (OFC, 2019)

Fundamental System-Degrading Effects in THz Communications Using Multiple OAM beams With Turbulence. - Zhe Zhao 003; Runzhou Zhang; Hao Song 006; Kai Pang; Ahmed Almaiman; Huibin Zhou; Haoqian Song; Cong Liu 010; Nanzhe Hu; Xinzhou Su; Amir Minoofar; Shlomo Zach; et al. (ICC, 2020)

Double Directional Channel Measurements for THz Communications in an Urban Environment. - Naveed A. Abbasi; Arjun Hariharan; Arun Moni Nair; Ahmed Almaiman; François Rottenberg; Alan E. Willner; Andreas F. Molisch (ICC, 2020)

16-QAM Probabilistic Constellation Shaping by Learning the Distribution of Transmitted Symbols from the Training Sequence. - A. Fallahpour; Fatemeh Alishahi; Amir Minoofar; Kaiheng Zou; Ahmed Almaiman; P. Liao; Huibin Zhou; Moshe Tur; Alan E. Willner (OFC, 2020)

Simultaneous Orthogonalizing and Shaping of Multiple LG Beams to Mitigate Crosstalk and Power Loss by Transmitting Each of Four Data Channels on Multiple Modes in a 400-Gbit/s Free-Space Link. - Kai Pang; Haoqian Song; Xinzhou Su; Kaiheng Zou; Zhe Zhao 003; Hao Song 006; Ahmed Almaiman; Runzhou Zhang; Cong Liu 010; Nanzhe Hu; Shlomo Zach; Nadav Cohen; et al. (OFC, 2020)

Simultaneous Turbulence Mitigation and Mode Demultiplexing using one MPLC in a Two-Mode 200-Gbit/s Free-Space OAM-Multiplexed Link. - Hao Song 006; Xinzhou Su; Haoqian Song; Runzhou Zhang; Zhe Zhao 003; Cong Liu 010; Kai Pang; Nanzhe Hu; Ahmed Almaiman; Shlomo Zach; Nadav Cohen; Andreas F. Molisch; et al. (OFC, 2020)

Alignment Monitor for Free-Space Optical Links in the Presence of Turbulence using the Beating of Opposite-Order Orbital-Angular-Momentum Beams on Two Different Wavelengths. - Runzhou Zhang; Nanzhe Hu; Xinzhou Su; Ahmed Almaiman; Haoqian Song; Zhe Zhao 003; Hao Song 006; Kai Pang; Cong Liu 010; Moshe Tur; Alan E. Willner (OFC, 2020)

WDM Operation and Multiple Dispersion Elements for a Direct-Detection System using Phase Retrieval. - Huibin Zhou; Kaiheng Zou; P. Liao; Ahmed Almaiman; Fatemeh Alishahi; Ahmad Fallahpour; Amir Minoofar; Moshe Tur; Alan E. Willner (OFC, 2020)

Experimental Demonstration of an Optical Second-Order Volterra Nonlinear Filter using Wave Mixing and Delays to Equalize a 20-Gbaud 4-APSK Channel. - Kaiheng Zou; Peicheng Liao; Huibin Zhou; Ahmad Fallahpour; Amir Minoofar; Ahmed Almaiman; Fatemeh Alishahi; Moshe Tur; Alan E. Willner (OFC, 2020)

Demonstration of 8-Channel 32-Gbit/s QPSK Wireless Communications at 0.28-0.33 THz Using 2 Frequency, 2 Polarization, and 2 Mode Multiplexing. - Xinzhou Su; Huibin Zhou; Kaiheng Zou; Amir Minoofar; Hao Song 006; Runzhou Zhang; Kai Pang; Haoqian Song; Nanzhe Hu; Zhe Zhao 003; Ahmed Almaiman; Shlomo Zach; et al. (OFC, 2021)

Sky Imager Data Reduction Using Autoencoder and Internet of Things Computing. - Ziyad N. Alotaibi; Saeed A. Khouli; Ahmed B. Ibrahim; Muhammad Alrabeiah; Amr M. Ragheb; Ahmed Almaiman; Saleh A. Alshebeili (IEEE Access, 2022)

Experimental Demonstration of Reconfigurable "Digital Average" of Two 20-Gbaud Phase-Encoded Data Channels Using Nonlinear Optical Wave Mixing. - Amir Minoofar; Hao Song 006; Ahmed Almaiman; Narek Karapetyan; Wing Ko; Kaiheng Zou; Huibin Zhou; Muralekrishnan Ramakrishnan; Murali Annavaram; Jonathan L. Habif; Moshe Tur; Alan E. Willner (OFC, 2023)

Strain FBG-Based Sensor for Detecting Fence Intruders Using Machine Learning and Adaptive Thresholding. - Ahmad Elleathy; Faris Alhumaidan; Mohammed Alqahtani; Ahmed Almaiman; Amr M. Ragheb; Ahmed B. Ibrahim; Jameel Ali; Maged Abdullah Esmail; Saleh A. Alshebeili (Sensors, 2023)

Joint Design of Autocorrelation and Spectral Characteristics of Radar Waveforms. - Omar Aldayel; Esam M. Almohimmah; Amr M. Ragheb; Ahmed Almaiman; Saleh A. Alshebeili (IEEE Access, 2024)