Search Results - "Sobhanan, Aneesh"
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Dispersion and Nonlinearity Distortion Compensation of the QPSK/16QAM Signals Using Optical Phase Conjugation in Nonlinear SOAs
Published in IEEE photonics journal (01-02-2020)“…We experimentally demonstrate the simultaneous compensation of both dispersion and nonlinear effects in a 100 km optical fiber link using optical phase…”
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Journal Article -
2
Optical Phase Conjugation Using Nonlinear SOA for Nonlinearity and Dispersion Compensation of Coherent Multi-Carrier Lightwave Systems
Published in IEEE access (2021)“…We study the use of nonlinear semiconductor optical amplifier (SOA) for generating optical phase conjugate towards compensation of distortions in short…”
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3
Polarization-insensitive phase conjugation using single pump Bragg-scattering four-wave mixing in semiconductor optical amplifiers
Published in Optics express (03-09-2018)“…We explain the generation of four wave mixing (FWM) components at the front and back facets of semiconductor optical amplifiers (SOAs) based on the…”
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Journal Article -
4
Compensation of SOA-induced nonlinear phase distortions by optical phase conjugation
Published in Optics express (12-04-2021)“…To answer the question: "Is optical phase conjugation (OPC) capable of compensating nonlinear distortions caused by not only Kerr effect of optical fibre, but…”
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Journal Article -
5
Photonic floating point multiplication using cascaded SSB-SC modulation
Published in Optics express (21-10-2024)“…In this paper, we present what we believe to be a novel approach to floating-point multiplication, demonstrated experimentally for the first time. This method…”
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6
Low distortion amplification of 16 and 64QAM signals using SOA
Published in Optics communications (01-01-2022)“…Amplification of single channel and three Wavelength division multiplexing (WDM) channels with 16 and 64QAM modulated signals is demonstrated using an SOA with…”
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7
Polarization-Insensitive Phase Conjugation of QPSK Signal Using Bragg-Scattering FWM in SOA
Published in IEEE photonics technology letters (15-06-2019)“…We experimentally demonstrate polarization-insensitive phase conjugate generation in a semiconductor optical amplifier (SOA) using a counter-propagating and…”
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8
Power optimization for phase quantization with SOAs using the gain extinction ratio
Published in Optics express (18-01-2021)“…Phase-sensitive amplifiers (PSAs) can work as M - level phase quantizers when waves generated with specific phase values are allowed to mix coherently in a…”
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9
All-Optical Wavelength Conversion in Optically-Pumped Semiconductor Optical Amplifiers
Published in 2023 IEEE Photonics Conference (IPC) (12-11-2023)“…We propose and simulate an efficient design for optically-pumped SOAs for all-optical wavelength conversion, achieving good idler conversion efficiency across…”
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Conference Proceeding -
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Influence of Polarization Transformation in Phase Conjugation of Polarization Multiplexed Data using Bragg-Scattering FWM in nonlinear SOAs
Published 26-03-2019“…We theoretically investigate the suitability of the selection of pump frequency ($\omega_p$) with respect to the signal frequency ($\omega_s$) for the best…”
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Journal Article -
11
All-optical any-to-any wavelength conversion across 36nm range
Published in 2022 European Conference on Optical Communication (ECOC) (18-09-2022)“…We experimentally demonstrate all-optical wavelength conversion with efficiency above -5 dB from any wavelength to any other wavelength across a whole of the C…”
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Conference Proceeding -
12
Compensation of SOA Nonlinear Distortions by Mid-Stage Optical Phase Conjugation
Published in 2020 Optical Fiber Communications Conference and Exhibition (OFC) (01-03-2020)“…We investigate optical phase conjugation for compensating nonlinear distortions due to carrier dynamics in semiconductor optical amplifiers. Experiments with…”
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Conference Proceeding -
13
Optically-Pumped Semiconductor Optical Amplifier with Low Noise Figure
Published in 2023 IEEE Photonics Conference (IPC) (12-11-2023)“…We propose, simulate, and preliminarily demonstrate experimentally optically-pumped SOAs which achieve high gain, high saturation output power, and low noise…”
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Conference Proceeding -
14
Optimization of Four- Wave Mixing Based Multilevel Phase Quantization Through Gain Extinction Ratio
Published in 2017 IEEE Workshop on Recent Advances in Photonics (WRAP) (01-12-2017)“…We prescribe a universal optimization scheme based on gain extinction ratio for four-wave mixing (FWM) based multilevel phase quantization and numerically…”
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Conference Proceeding -
15
Regeneration of 10 Gbps BPSK signals through phase sensitive amplification coupled with injection locking
Published in 2017 Twenty-third National Conference on Communications (NCC) (01-03-2017)“…Phase squeezing using phase sensitive amplifier (PSA) typically involves an increase in amplitude noise which when propagated through a multi span link may…”
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Conference Proceeding -
16
Pump Correlation Requirements for Four Wave Mixing-Based Phase Quantization Schemes
Published in 2018 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (01-07-2018)“…We demonstrate the experimental results of phase noise measurements on the coherent addition of signal and conjugate in a four wave mixing-based two-level…”
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Conference Proceeding -
17
Polarization Insensitive Phase Conjugation Using Single-Pump Four Wave Mixing in SOA
Published in 2018 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (01-07-2018)“…We experimentally demonstrate the generation of polarization insensitive phase conjugate of PM-QPSK signal in both input and output ports of SOA using…”
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Conference Proceeding -
18
Influence of Polarization Transformation in Phase Conjugation of PM-QPSK in Nonlinear SOAs
Published in 2019 Conference on Lasers and Electro-Optics (CLEO) (01-05-2019)“…Polarization insensitive phase conjugation generation is experimentally demonstrated using a single pump in a nonlinear SOA for 10 GBaud PM-QPSK data. The…”
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Conference Proceeding -
19
Experimental Analysis of Noise Transfer in Optical Phase Conjugation Process in Nonlinear SOA
Published in 2019 Optical Fiber Communications Conference and Exhibition (OFC) (01-03-2019)“…We experimentally evaluate the noise transfer properties during the phase conjugation process in nonlinear SOA by varying the OSNR of the input signal. OSNR…”
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Conference Proceeding