Ahmed Almaiman

44 papers Journal 3Unranked 41
YearRankTypeTitle / Venue / Authors
2024 J jnl
Joint Design of Autocorrelation and Spectral Characteristics of Radar Waveforms.
IEEE Access
Omar Aldayel, Esam M. Almohimmah, Amr M. Ragheb, Ahmed Almaiman, Saleh A. Alshebeili
2023 — conf
Experimental Demonstration of Reconfigurable "Digital Average" of Two 20-Gbaud Phase-Encoded Data Channels Using Nonlinear Optical Wave Mixing.
OFC
Amir Minoofar, Hao Song, Ahmed Almaiman, Narek Karapetyan, Wing Ko, Kaiheng Zou, Huibin Zhou, Muralekrishnan Ramakrishnan, Murali Annavaram, Jonathan L. Habif, Moshe Tur, Alan E. Willner
2023 J jnl
Strain FBG-Based Sensor for Detecting Fence Intruders Using Machine Learning and Adaptive Thresholding.
Sensors
Ahmad Elleathy, Faris Alhumaidan, Mohammed Alqahtani, Ahmed Almaiman, Amr M. Ragheb, Ahmed B. Ibrahim, Jameel Ali, Maged Abdullah Esmail, Saleh A. Alshebeili
2022 J jnl
Sky Imager Data Reduction Using Autoencoder and Internet of Things Computing.
IEEE Access
Ziyad N. Alotaibi, Saeed A. Khouli, Ahmed B. Ibrahim, Muhammad Alrabeiah, Amr M. Ragheb, Ahmed Almaiman, Saleh A. Alshebeili
2021 — conf
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.
OFC
Xinzhou Su, Huibin Zhou, Kaiheng Zou, Amir Minoofar, Hao Song, Runzhou Zhang, Kai Pang, Haoqian Song, Nanzhe Hu, Zhe Zhao, Ahmed Almaiman, Shlomo Zach, Moshe Tur, Andreas F. Molisch, Hirofumi Sasaki, Doohwan Lee, Alan E. Willner
2020 — conf
16-QAM Probabilistic Constellation Shaping by Learning the Distribution of Transmitted Symbols from the Training Sequence.
OFC
A. Fallahpour, Fatemeh Alishahi, Amir Minoofar, Kaiheng Zou, Ahmed Almaiman, P. Liao, Huibin Zhou, Moshe Tur, Alan E. Willner
2020 — conf
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.
OFC
Runzhou Zhang, Nanzhe Hu, Xinzhou Su, Ahmed Almaiman, Haoqian Song, Zhe Zhao, Hao Song, Kai Pang, Cong Liu, Moshe Tur, Alan E. Willner
2020 — conf
Double Directional Channel Measurements for THz Communications in an Urban Environment.
ICC
Naveed A. Abbasi, Arjun Hariharan, Arun Moni Nair, Ahmed Almaiman, François Rottenberg, Alan E. Willner, Andreas F. Molisch
2020 — conf
Experimental Demonstration of an Optical Second-Order Volterra Nonlinear Filter using Wave Mixing and Delays to Equalize a 20-Gbaud 4-APSK Channel.
OFC
Kaiheng Zou, Peicheng Liao, Huibin Zhou, Ahmad Fallahpour, Amir Minoofar, Ahmed Almaiman, Fatemeh Alishahi, Moshe Tur, Alan E. Willner
2020 — conf
Fundamental System-Degrading Effects in THz Communications Using Multiple OAM beams With Turbulence.
ICC
Zhe Zhao, Runzhou Zhang, Hao Song, Kai Pang, Ahmed Almaiman, Huibin Zhou, Haoqian Song, Cong Liu, Nanzhe Hu, Xinzhou Su, Amir Minoofar, Shlomo Zach, Nadav Cohen, Moshe Tur, Andreas F. Molisch, Alan E. Willner
2020 — conf
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.
OFC
Kai Pang, Haoqian Song, Xinzhou Su, Kaiheng Zou, Zhe Zhao, Hao Song, Ahmed Almaiman, Runzhou Zhang, Cong Liu, Nanzhe Hu, Shlomo Zach, Nadav Cohen, Brittany Lynn, Andreas F. Molisch, Robert W. Boyd, Moshe Tur, Alan E. Willner
2020 — conf
Simultaneous Turbulence Mitigation and Mode Demultiplexing using one MPLC in a Two-Mode 200-Gbit/s Free-Space OAM-Multiplexed Link.
OFC
Hao Song, Xinzhou Su, Haoqian Song, Runzhou Zhang, Zhe Zhao, Cong Liu, Kai Pang, Nanzhe Hu, Ahmed Almaiman, Shlomo Zach, Nadav Cohen, Andreas F. Molisch, Robert Boyd, Moshe Tur, Alan E. Willner
2020 — conf
WDM Operation and Multiple Dispersion Elements for a Direct-Detection System using Phase Retrieval.
OFC
Huibin Zhou, Kaiheng Zou, P. Liao, Ahmed Almaiman, Fatemeh Alishahi, Ahmad Fallahpour, Amir Minoofar, Moshe Tur, Alan E. Willner
2019 — conf
Demonstration of Both Mode and Space Diversity in a 100-Gbit/s QPSK Free-Space Optical Link to Increase System Tolerance to Turbulence.
OFC
Long Li, Haoqian Song, Runzhou Zhang, Zhe Zhao, Cong Liu, Kai Pang, Hao Song, Jing Du, Ari N. Willner, Ahmed Almaiman, Brittany Lynn, Robert Bock, Moshe Tur, Alan E. Willner
2019 — conf
Demonstration of Tunable Optical Single-Sideband Generation of 20-Gbit/s OOK and PAM4 Data Channels.
OFC
Yinwen Cao, Kaiheng Zou, Huibin Zhou, Ahmed Almaiman, Peicheng Liao, Fatemeh Alishahi, Ahmad Fallahpour, Karapet Manukyan, Alan E. Willner
2019 — conf
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.
OFC
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, Tobias J. Kippenberg, Alan E. Willner
2019 — conf
Experimental Generation and Time Multiplexing of Data-Carrying Nyquist Sinc Shaped Channels from a Single Microresonator-Based Kerr Frequency Comb.
OFC
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, Alan E. Willner
2019 — conf
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.
OFC
Haoqian Song, Hao Song, Runzhou Zhang, Karapet Manukyan, Long Li, Zhe Zhao, Kai Pang, Cong Liu, Ahmed Almaiman, Robert Bock, Brittany Lynn, Moshe Tur, Alan E. Willner
2019 — conf
Using a Hybrid Si/III-V Semiconductor Laser to Carry 16- and 64-QAM Data Signals over an 80-km Distance.
OFC
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
2018 — conf
Coarse and Fine Continuously Tunable Optical Delay Using the Time-of-flight in Fiber Bragg Gratings and Wavelength Conversion.
OFC
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
2018 — conf
Demonstration of 30Gbit/s QPSK-to-PAM4 Data-Format and Wavelength Conversion to Enable All-Optical Gateway from Long-haul to Datacenter.
OFC
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, Martin M. Fejer, Joe Touch, Alan E. Willner
2018 — conf
Demonstration of Multiple Kerr-Frequency-Comb Generation Using Different Lines from Another Kerr Comb Located up to a 50 km Distance.
OFC
Peicheng Liao, Changjing Bao, Ahmed Almaiman, Arne Kordts, Maxim Karpov, Martin Hubert Peter Pfeiffer, Lin Zhang, Fatemeh Alishahi, Kaiheng Zou, Yinwen Cao, Amirhossein Mohajerin Ariaei, Ahmad Fallahpour, Moshe Tur, Youichi Akasaka, Tobias J. Kippenberg, Alan E. Willner
2018 — conf
Experimental Utilization of Repeated Spatial-Mode Shifting for Achieving Discrete Delays in a Free-Space Recirculating Loop.
OFC
Ahmed Almaiman, A. Mohajerin-Ariaei, Guodong Xie, Zhe Zhao, Yinwen Cao, Fatemeh Alishahi, Peicheng Liao, Changjing Bao, Ahmad Fallahpour, B. Shamee, Youichi Akasaka, Shlomo Zach, Nadav Cohen, Moshe Tur, Alan E. Willner
2018 — conf
Optical Mitigation of Inter-Channel Crosstalk for Multiple Spectrally Overlapped 40-Gbit/s QPSK WDM Channels using Nonlinear Wave Mixing.
OFC
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, Alan E. Willner
2017 — conf
Demonstration of tunable mitigation of interchannel interference of spectrally overlapped 16-QAM/QPSK data channels using wave mixing of delayed copies.
OFC
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, Martin M. Fejer, Alan E. Willner
2017 — conf
Experimental Investigation on the Effect of Central Wavelength Tuning of FBG-Based Phase Shifter for Raman-Assisted Phase Sensitive Amplifier.
ECOC
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, Alan E. Willner
2017 — conf
Experimental demonstration of Raman-assisted phase sensitive amplifier with reduced ASE noise level and more than 25dB net gain.
OFC
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, Ryuichi Sugizaki, Joseph D. Touch, Moshe Tur, Alan E. Willner
2017 — conf
Experimental demonstration of tunable optical channel slicing and stitching to enable dynamic bandwidth allocation.
OFC
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, Moshe Tur, Alan E. Willner
2017 — conf
Experimental demonstration of tunable optical de-aggregation of each of multiple wavelength 16-QAM channels into two 4-PAM channels.
OFC
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, Martin M. Fejer, Joseph D. Touch, Alan E. Willner
2017 — conf
Experimental investigation of the effect of EDFA-generated ASE noise added to the pump of a Kerr frequency comb.
OFC
Peicheng Liao, Changjing Bao, Arne Kordts, Maxim Karpov, Martin Hubert Peter Pfeiffer, Lin Zhang, Yinwen Cao, Ahmed Almaiman, Morteza Ziyadi, Amirhossein Mohajerin Ariaei, Fatemeh Alishahi, Ahmad Fallahpour, Moshe Tur, Tobias J. Kippenberg, Alan E. Willner
2016 — conf
Demonstration of automatically phase-locked self-homodyne detection with a low-power pilot tone based on brillouin amplification and optical frequency combs.
OFC
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, Joseph D. Touch, Moshe Tur, Alan E. Willner
2016 — conf
Experimental demonstration of phase-sensitive regeneration of a 10-20 Gb/s BPSK channel without a phase-locked loop using Brillouin amplification.
OFC
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, Tadashi Ikeuchi, Steven R. Wilkinson, Moshe Tur, Alan E. Willner
2016 — conf
Wavelength and pump power characterization of low-phase-noise Kerr frequency comb lines.
OFC
Peicheng Liao, Changjing Bao, Martin Hubert Peter Pfeiffer, Maxim Karpov, Yan Yan, Lin Zhang, Yinwen Cao, Ahmed Almaiman, Morteza Ziyadi, Asher J. Willner, Steven R. Wilkinson, Moshe Tur, Tobias J. Kippenberg, Alan E. Willner
2015 — conf
Demonstration of a fine and coarse tunable buffer for multiple discrete and simultaneous signal access using a frequency comb, wavelength conversion and chromatic dispersion.
ECOC
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, Loukas Paraschis, Moshe Tur, Alan E. Willner
2015 — conf
Experimental demonstration of Raman-assisted phase sensitive amplifier with negligible gain/power fluctuation.
ECOC
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
2015 — conf
Experimental demonstration of optical signal level swapping and multi-level amplitude noise mitigation using three parametric gain regions.
OFC
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, Alan E. Willner
2015 — conf
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.
OFC
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, Carsten Langrock, Martin M. Fejer, Alan E. Willner
2015 — conf
Reconfigurable optical inter-channel interference compensation of 20/25-Gbaud QPSK signals using nonlinear wave mixing.
ECOC
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, Martin M. Fejer, Joseph D. Touch, Alan E. Willner
2014 — conf
Bit-rate-tunable regeneration of 30-Gbaud QPSK data using phase quantization and amplitude saturation.
ECOC
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, Carsten Langrock, Martin M. Fejer, Alan E. Willner
2014 — conf
Experimental demonstration of all-optical phase noise mitigation of 40-Gbits/s QPSK signals by mixing differentially delayed nonlinear products.
OFC
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, Carsten Langrock, Martin M. Fejer, Alan E. Willner
2014 — conf
Experimental demonstration of optical Nyquist generation of 32-Gbaud QPSK using a comb-based tunable optical tapped-delay-line FIR filter.
OFC
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
2014 — conf
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.
OFC
Ahmed Almaiman, M. R. Chitgarha, W. Daab, Morteza Ziyadi, A. Mohajerin-Ariaei, Salman Khaleghi, Moshe Willner, Vijay Vusirikala, X. Zhao, Dan Kilper, Loukas Paraschis, Atiyah Ahsan, Michael S. Wang, Keren Bergman, Moshe Tur, Joseph D. Touch, Alan E. Willner
2014 — conf
Optical channel de-aggregator of 30-Gbaud QPSK and 20-Gbaud 8-PSK data using mapping onto constellation axes.
ECOC
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
2014 — conf
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.
ECOC
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