Double-looped Mach-Zehnder interferometry for achieving simultaneous spectral ring-down information

Jin Hwan Kim; Hyub Lee; Won Sik Kwon; Seung Ryeol Oh; Jindoo Choi; Kyung-Soo Kim; Soohyun Kim

doi:10.1117/12.2075121

4 March 2015 Double-looped Mach-Zehnder interferometry for achieving simultaneous spectral ring-down information

Jin Hwan Kim, Hyub Lee, Won Sik Kwon, Seung Ryeol Oh, Jindoo Choi, Kyung-Soo Kim, Soohyun Kim

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 93442K (2015) https://doi.org/10.1117/12.2075121
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

This paper presents a method to obtain spectral ring-down information simultaneously via double-looped Mach-Zehnder interferometry. The symmetric split-step Fourier method was used to simulate the pulse propagation through the fiber loop to check fiber-induced effects on the pulse. The loop was built with a segment of fiber, output coupler, and fiber Bragg grating. The fiber Bragg grating was used as an artificial sample. We found that the pulse spectrum is not distorted as the pulse propagates the fiber loop. We have also demonstrated the possibility to extract the ring-down signals from spectrum variation via simulation. This approach can be applied to sample detection which requires high sensitivity and high spectral resolution.

Citation Download Citation

Jin Hwan Kim, Hyub Lee, Won Sik Kwon, Seung Ryeol Oh, Jindoo Choi, Kyung-Soo Kim, and Soohyun Kim "Double-looped Mach-Zehnder interferometry for achieving simultaneous spectral ring-down information", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93442K (4 March 2015); https://doi.org/10.1117/12.2075121

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