Numerical simulation of linewidth compression dynamics of external-cavity semiconductor laser

Autor:	Feng Qiu, Yongzhong Bai, Dingrong Qu, Lei Han, Yanling Zhang, Guangbin Shan, Mindong Chen
Rok vydání:	2023
Předmět:	Condensed Matter Physics Instrumentation Industrial and Manufacturing Engineering Atomic and Molecular Physics and Optics
Zdroj:	Laser Physics. 33:075001
ISSN:	1555-6611 1054-660X
DOI:	10.1088/1555-6611/acd372
Popis:	We theoretically simulate the linewidth compression dynamics of the semiconductor laser with a single external-cavity feedback. The evolution time from the periodic oscillation state to the equilibrium state is calculated by tracking the change of the intrinsic linewidth. The influences of the external-cavity length and feedback level are also explored. The linewidth evolution time of the external-cavity semiconductor laser can be extended with longer external cavity length and higher feedback level. Simultaneously, the intrinsic linewidth can be compressed while the side mode suppression ratio will be decreased. The simulation work show that the dynamic linewidth compression can be obtained by single external-cavity feedback, and nevertheless it is difficult to achieve the single-frequency output, which can instruct the design of the dynamical parameter tuning of the external-cavity semiconductor laser.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7a6025ce1564e5f87fe8404221abd7c9 https://doi.org/10.1088/1555-6611/acd372 Zobrazit plný text záznamu