Numerical investigation of nonlinear broadened OFC based on the CS-DSB modulation frequency shift recirculation loop

Meili Shen; Zhuohang Zhang; Jianghua Zhang; Jie Yang; Xin Zheng

doi:10.1117/12.2655748

22 December 2022 Numerical investigation of nonlinear broadened OFC based on the CS-DSB modulation frequency shift recirculation loop

Meili Shen, Zhuohang Zhang, Jianghua Zhang, Jie Yang, Xin Zheng

Author Affiliations +

Proceedings Volume 12459, Sixth International Symposium on Laser Interaction with Matter; 124590W (2022) https://doi.org/10.1117/12.2655748
Event: Sixth International Symposium on Laser Interaction with Matter (LIMIS 2022), 2022, Ningbo, China

Abstract

Since the growing needs of broadband optical frequency combs (OFCs) in many applications, in this paper, a carrier suppressed dual-sideband modulation recirculating frequency shift loop (RFSL) with an additional piece of highly nonlinear fiber (HNLF) is numerically investigated. The numerical results indicate that, thanking to the RFSL scheme, the frequency spacing of OFC can be both widely and precisely tuned over the range of 0.5 - 40 GHz. Moreover, the comb lines generated from RFSL can be then efficiently increased, using four wave mixing effect of HNLF in the simulation, thus the spectrum is further broadened. This work contributes to an effective and compact RFSL scheme for a frequency tunable OFC generation with broadband spectrum.

Citation Download Citation

Meili Shen, Zhuohang Zhang, Jianghua Zhang, Jie Yang, and Xin Zheng "Numerical investigation of nonlinear broadened OFC based on the CS-DSB modulation frequency shift recirculation loop", Proc. SPIE 12459, Sixth International Symposium on Laser Interaction with Matter, 124590W (22 December 2022); https://doi.org/10.1117/12.2655748

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KEYWORDS

Modulation

Modulators

Four wave mixing

Nonlinear optics

Frequency combs

Optical components

Phase modulation

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