Zhuoya Bai,Fengping Yan,Luna Zhang,Yan Bai,Shuo Liu Beijing Jiaotong Univ. (China) Hong Zhou Osaka Institute of Technology (Japan) Yafei Hou Nara Institute of Science and Technology (Japan) Ning Zhang Beijing Union Univ. (China)
The linewidth performance of all-fiber, linear-cavity Fabry–Perot structures based on fiber Bragg gratings operating at band has been investigated numerically. The output linewidth performance of two symmetrical and asymmetrical cavities has been theoretically studied and comprehensively compared. The numerical analysis is based on the transmission matrix method with the simplified parameters. The simulation results show that cavity lengths, cavity lengths ratio, grating lengths, grating lengths ratio, as well as index modulation depths, affect the output linewidth performance. The tolerance ability of the asymmetrical structure is first proposed and investigated under 1 mm accuracy, and single-frequency output can be realized by properly adjusting the properties of the proposed composite linear cavity structure.
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Zhuoya Bai, Fengping Yan, Luna Zhang, Yan Bai, Shuo Liu, Hong Zhou, Yafei Hou, Ning Zhang, "2 numerical analysis of linear-cavity FP structures based on fiber Bragg gratings," Opt. Eng. 56(5) 056107 (23 May 2017)