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Proceedings Paper

Double-looped Mach-Zehnder interferometry for achieving simultaneous spectral ring-down information
Author(s): Jin Hwan Kim; Hyub Lee; Won Sik Kwon; Seung Ryeol Oh; Jindoo Choi; Kyung-Soo Kim; Soohyun Kim
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Paper 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.

Paper Details

Date Published: 4 March 2015
PDF: 8 pages
Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93442K (4 March 2015); doi: 10.1117/12.2075121
Show Author Affiliations
Jin Hwan Kim, KAIST (Korea, Republic of)
Hyub Lee, KAIST (Korea, Republic of)
Won Sik Kwon, KAIST (Korea, Republic of)
Seung Ryeol Oh, KAIST (Korea, Republic of)
Jindoo Choi, KAIST (Korea, Republic of)
Kyung-Soo Kim, KAIST (Korea, Republic of)
Soohyun Kim, KAIST (Korea, Republic of)

Published in SPIE Proceedings Vol. 9344:
Fiber Lasers XII: Technology, Systems, and Applications
L. Brandon Shaw, Editor(s)

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