Simulation analysis of random mode suppression using two-cavity FBG-FP in random Bragg grating array

Bing Lv; Wentao Zhang; Wenzhu Huang; Fang Li

doi:10.1117/12.2587010

12 March 2021 Simulation analysis of random mode suppression using two-cavity FBG-FP in random Bragg grating array

Bing Lv, Wentao Zhang, Wenzhu Huang, Fang Li

Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 117634J (2021) https://doi.org/10.1117/12.2587010
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China

Abstract

The two-cavity FBG-FP is used to suppress random mode in random fiber laser (RFL). The relation between the total cavity length of two-cavity FBG-FP and mode suppression characteristics is given. By increasing the total cavity length to about 45.1 mm, only one random mode is allowed to pass. Compared with single-cavity FBG-FP, the two-cavity FBG-FP has better performance in suppressing random mode due to its narrowed band, flat response and steeper rolloff.

Citation Download Citation

Bing Lv, Wentao Zhang, Wenzhu Huang, and Fang Li "Simulation analysis of random mode suppression using two-cavity FBG-FP in random Bragg grating array", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 117634J (12 March 2021); https://doi.org/10.1117/12.2587010

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