期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 39, 期 9, 页码 2924-2930出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2021.3060618
关键词
Laser noise; Laser mode locking; Semiconductor lasers; Optical pumping; Optical fibers; Optical noise; Radio frequency; Harmonic active mode-locking; injection-locking; noise dynamics; phase noise; RIN; supermode noise; timing jitter
资金
- Direction Generale de l'Armement
- Association Nationale de la Recherche et de la Technologie
The effect of CW injection in an actively mode-locked laser at 780 nm on noise performances shows a significant improvement in RF phase noise and power spectrum, but at the expense of degraded optical relative intensity noise.
We report on a detailed analysis of the effect of CW injection in an actively mode-locked laser at 780 nm, on the noise performances of the laser. The optical properties of the emitted pulse train, and the phase and amplitude noise of the RF pulse train generated after photodetection have been characterized with respect to the laser pumping rate, and to the injected power. We show that when injected, the laser exhibits a dramatic improvement of both RF phase noise and power spectrum, but at the expense of a degraded optical relative intensity noise.
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