Periodic dark pulse emission induced by delayed feedback in a quantum well semiconductor laser
Source abstract
Abstract
We report the experimental observation of periodic dark pulse emission in a quantum-well semiconductor laser with delayed optical feedback. We found that under appropriate operation conditions the laser can also emit a stable train of dark pulses. The repetition frequency of the dark pulse is determined by the external cavity length. Splitting of the dark pulse was also observed. We speculate that the observed dark pulse is a kind of temporal cavity soliton formed in the laser.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Semiconductor Lasers and Optical Devices · Photonic and Optical Devices · Advanced Fiber Laser Technologies
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Affiliations
Nanyang Technological University 1 School of Electrical and Electronic Engineering, , 639798, Singapore
Shandong University 4 School of Information Science & Engineering, , 250100, China
United States Air Force Academy 2 Department of physics, , Colorado 80840, USA
Jiangsu Normal University 3 School of Physics and Electronic Engineering, , 221116, China
References (17)
Show source-provided references
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