Theoretical analysis of beam quality degradation in spectral beam combining of fiber laser array with beam deviation
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.03.010
Abstract: Abstract Aimed to maintain excellent beam quality, the degradation of M2 factor is theoretically studied in compact spectral beam combining (SBC) system of fiber laser array. Considering that the output beams from a laser array… read more here.
Keywords: beam quality; degradation; laser array; beam ... See more keywords
Thermal stress distribution in a laser array structure selectively grown on V-groove-patterned silicon
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5042797
Abstract: The thermal stress due to the thermal expansion mismatch could induce crystallographic defects such as buckling and cracking and degrade device performance. In this paper, the thermal stress distribution in a laser array structure selectively… read more here.
Keywords: thermal stress; stress; laser array; stress distribution ... 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
System design for coherent combined massive fiber laser array based on cascaded internal phase control.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.467914
Abstract: Coherent beam combining (CBC) of a fiber laser can scale the output power while maintaining high beam quality. However, phase detection and control remain a challenge for a high-power CBC system with a massive laser… read more here.
Keywords: system; laser array; control; phase ... See more keywords
Small footprint phase locking system for a large tiled aperture laser array.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.420251
Abstract: A phase sensing system fitted to the control of coherent laser beam array of large cross section is experimented. It is based on the use of a fiber bundle that collects a weak part of… read more here.
Keywords: array; system; small footprint; phase ... See more keywords
Mapping synchronization properties in a three-element laterally coupled laser array.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.457891
Abstract: We numerically study the synchronized chaos (SC) and spatiotemporal chaos (STC) in a three-element laterally-coupled laser array in the case of four waveguiding structures. The coupled rate equations are used to analyze the dynamics of… read more here.
Keywords: laser; laser array; three element; element laterally ... See more keywords
Eight-channel laser array with 100 GHz channel spacing based on surface-slotted structures fabricated by standard lithography.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.004867
Abstract: An eight-channel laser array with 100 GHz channel spacing based on surface-slotted structures is demonstrated. Wavelength selection is realized by using a group of micrometer-order slots fabricated by standard lithography technology. An output power of over… read more here.
Keywords: standard lithography; ghz channel; channel spacing; laser array ... See more keywords
A Directly Modulated Laterally Coupled Distributed Feedback Laser Array Based on SiO2 Planarization Process
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app11010221
Abstract: Low-cost and high-speed single-mode semiconductor lasers are increasingly required as wide-band access fiber communication expands in recent years. Here, a high-speed laterally coupled distributed feedback (LC-DFB) laser array is achieved based on a SiO2 planarization… read more here.
Keywords: array; coupled distributed; laterally coupled; process ... See more keywords