期刊
IEEE JOURNAL OF QUANTUM ELECTRONICS
卷 57, 期 2, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JQE.2021.3055149
关键词
Interference; Laser modes; Jitter; Laser theory; Semiconductor lasers; Chirp; Fluctuations; Interference; chirp; jitter; optical pulses; semiconductor lasers
This study explores the combined influence of chirp, jitter, and relaxation oscillations on the probability density function of interference of pulses from a gain-switched semiconductor laser. A rigorous model based on laser rate equations is developed, showing that all three effects must be considered together to properly describe interference statistics. Experimental results demonstrate perfect agreement with model predictions and are well reproduced by Monte-Carlo simulations.
Interference of laser pulses is an essential ingredient of quantum randomness; therefore, probabilistic properties of laser pulses gains new relevance. Here, we consider in detail the combined influence of the three effects chirp, jitter and relaxation oscillations on the probability density function of the interference of pulses from a gain-switched semiconductor laser. We develop a rigorous model based on laser rate equations and demonstrate that only consideration of all these three effects together allows describing the interference statistics properly. We supplement our theoretical calculations with corresponding measurements at various pump currents. Experimental results demonstrate perfect agreement with predictions of the model and are well reproduced by Monte-Carlo simulations.
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