CFO compensation method using optical feedback path for coherent optical OFDM system
Sign Up to like & getrecommendations! Published in 2017 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2017.03.017
Abstract: Abstract We investigate feasibility of carrier frequency offset (CFO) compensation method using optical feedback path for coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. Recently proposed CFO compensation algorithms provide wide CFO estimation range in… read more here.
Keywords: cfo compensation; compensation; feedback path; optical feedback ... See more keywords
Beam shaping in high-power broad-area quantum cascade lasers using optical feedback
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep44284
Abstract: Broad-area quantum cascade lasers with high output powers are highly desirable sources for various applications including infrared countermeasures. However, such structures suffer from strongly deteriorated beam quality due to multimode behavior, diffraction of light and… read more here.
Keywords: feedback; broad area; optical feedback; cascade lasers ... See more keywords
Comparing the dynamics of periodically forced lasers and neurons
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab4c86
Abstract: Neuromorphic photonics is a newparadigm for ultra-fast neuro-inspired optical computing that can revolutionize information processing and artificial intelligence systems. To implement practical photonic neural networks is crucial to identify low-cost energy-efficient laser systems that canmimic… read more here.
Keywords: periodically forced; dynamics periodically; forced lasers; comparing dynamics ... See more keywords
Current Modulation Induced Stability in Laser Diode Under High Optical Feedback Strength
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3069387
Abstract: The back-reflection of emitted laser beam (optical feedback, also know as selfmixing) from various external interfaces are sufficient to cause instability, and prohibiting its use in various fields such as communication, spectroscopy, imaging to name… read more here.
Keywords: feedback strength; feedback; modulation; laser ... See more keywords
On-Chip Optical Feedback Systems for Solving Systems of Ordinary Differential Equations
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2017.2767079
Abstract: In this paper, we propose a scalable configuration of all-optical solver for systems of ordinary differential equations (SODE) based on the integrated feedback system, which can be easily extended to solve SODEs with various dimensions… read more here.
Keywords: ordinary differential; systems ordinary; sode; feedback ... See more keywords
Effect of Optical Feedback on the Wavelength Tuning in DBR Lasers
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.2996131
Abstract: Optical feedback has an impact on the tunability of lasers. We created a model of a tunable distributed Bragg reflector (DBR) laser describing the effect of optical feedback from a constant reflector distance on the… read more here.
Keywords: feedback; wavelength tuning; optical feedback; effect optical ... See more keywords
Flat Broadband Chaos Generation Using a Semiconductor Laser Subject to Asymmetric Dual-Path Optical Feedback
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3095972
Abstract: A method of generating flat broadband chaos by using a semiconductor laser subject to asymmetric dual-path optical feedback is proposed and demonstrated experimentally. In the asymmetric dual-path optical feedback, one path is connected with an… read more here.
Keywords: dual path; feedback; optical feedback; asymmetric dual ... See more keywords
Monolithically Integrated Multiwavelength Laser With Optical Feedback: Damped Relaxation Oscillation Dynamics and Narrowed Linewidth
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2876382
Abstract: An InP-based, monolithically integrated multiwavelength laser with optical feedback is presented. We demonstrate the performance of the dual-wavelength operation. Single-mode lasing is obtained for each of the two channels within a temperature range from 16… read more here.
Keywords: relaxation; integrated multiwavelength; feedback; multiwavelength laser ... See more keywords
Suppression of Multistability in a Multimode VCSEL by Isotropic Optical Feedback
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2019.2935745
Abstract: We study experimentally the behavior of a multistable vertical cavity surface-emitting laser under influence of isotropic optical feedback (OF). Without feedback, this laser displays spatial multistability which shows up in the laser power and polarized-resolved… read more here.
Keywords: multistability multimode; suppression multistability; feedback; optical feedback ... See more keywords
Narrow Linewidth Tunable DFB Laser Array Integrated With Optical Feedback Planar Lightwave Circuit (PLC)
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2017.2693021
Abstract: A tunable distributed feedback (DFB) laser array integrated with a silica-based external optical feedback planar lightwave circuit is proposed and developed. The laser does not have high-resolution optical filters, and we can tune the wavelength… read more here.
Keywords: dfb laser; feedback; optical feedback; laser array ... See more keywords
Efficient and Optical Feedback Tolerant Hybrid Laser Design for Silicon Photonics Applications
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2019.2945979
Abstract: We present a design of a tunable hybrid laser based on III-V Reflective Semiconductor Optical Amplifier (RSOA) and Silicon Photonics (SiPh) external mirror that represents a good trade off between high Wall-Plug Efficiency (WPE) and… read more here.
Keywords: silicon photonics; hybrid laser; feedback; optical feedback ... See more keywords