Shahed University
Super-mode noise suppression of a silicon hybrid mode-locked ring laser using a symmetric Fabry–Perot filter
mohammad shekarpour | Mohammad Hasan yavari
URL :
http://research.shahed.ac.ir/WSR/WebPages/Report/PaperView.aspx?PaperID=159202
Date :
2022/01/29
Publish in :
Journal of the Optical Society of America B: Optical Physics
DOI :
https://doi.org/10.1364/JOSAB.445545
Link :
http://dx.doi.org/10.1364/JOSAB.445545
Keywords :
Phase Noise, Jitter
Abstract :
In this research, we propose a harmonically mode-locked hybrid silicon laser by introducing intracavity reflectors (ICRs) to suppress super-mode noise. Using a delay differential equation model, the dynamics, phase noise, and timing jitter of the proposed structure (PS) and the without-ICR structure (WOICRS) are investigated. The simulation results show a significant increase of 20 GHz harmonic regime of PS compared toWOICRS. Additionally, this regime of PS can be achieved at a lower current thanWOICRS. The phase noise of the PS is improved to about 8 dB. Given the better selectivity of optical modes in PS, the phase noise is reduced compared to that of with-intracavity structure. Furthermore, numerical results show that timing jitter reduction has periodic behavior by changing the harmonic inter-spike interval time. The analyses demonstrate that harmonic mode-locking of a long cavity laser is a valid strategy for reducing phase noise and timing jitter. The simulation results ofWOICRS are in a good agreement with experimental results.
Files in this item :
Download
Name :
159202_17688297412.pdf
Size :
7Mb
Format :
PDF
Authors' Home page
Mohammad Hasan yavari