Open AccessLinewidth characteristics of period-one dynamics induced by optically injected semiconductor lasers
Author(s) -
Mohammad AlMulla,
Jiaming Liu
Publication year - 2020
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.391854
Subject(s) - laser linewidth , oscillation (cell signaling) , laser , semiconductor laser theory , microwave , optics , materials science , noise (video) , semiconductor , optoelectronics , injection seeder , physics , genetics , quantum mechanics , artificial intelligence , computer science , image (mathematics) , biology
Period-one (P1) nonlinear dynamics of optically injected semiconductor lasers exhibit periodic intensity fluctuations with operating frequencies that are tunable in the micro/millimeter-wave range. Through numerical experiments, the characteristics of the microwave linewidth of the P1 oscillation and the linewidths of its optical frequency components due to intrinsic laser noise sources are investigated. The field noise and carrier noise of the master and slave lasers are systematically considered. The contribution of the field noise of the master laser is significant; it considerably broadens the microwave linewidth of the P1 oscillation. When the operating conditions in the regions of high microwave power are properly adjusted, the microwave linewidth of the P1 oscillation becomes narrower than the free-running optical linewidths of the master and slave lasers. Regions with low sensitivity to time-dependent fluctuations in an operating parameter show reduced microwave linewidth of the P1 oscillation.