Year: 2025
Type: article
Abstract: ： Optical frequency comb (OFC) have great potential as an excellent multi-wavelength light source in the field of communications.The communication system can have a transmission rate in the order of a hundred Tbit •s -1 by combining the OFC light source with wavelength-division-multiplexing (WDM) and space-division-multiplexing (SDM) technologies， which is of significant application value in 5G/6G communications， Internet of Things， and au• tonomous driving.For an optical communication system that integrates wavelength division multiplexing and spatial division multiplexing technologies， its transmission capacity depends on the number of channels in both WDM and SDM， the modulation symbol rate of the system， and the signal-to-noise ratio (SNR) of the light source.Through an optical system based on a Brillouin laser cavity with dispersion-engineered highly nonlinear fluorotellurite fiber， we can obtain a flat OFC with a wide range of adjustable repetition frequency， spectral coverage of the entire O-U band， and a standard deviation of the comb intensity of less than 5 dB in the O-U band.This paper calculates the linewidth and frequency noise of the comb teeth across different bands of the optical frequency comb， and establishes a Brillouin 文章编号： 1000
Source: Chinese Journal of Luminescence
Authors: JIN Guanyu, CHEN Yuxian, ZHANG Xucheng, JIA Zhixu, MENG Fanchao, QIN Weiping, QIN Guanshi
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W4411569122