Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/104199
Title: Programmable multi-wavelength filter with Mach–Zehnder interferometer embedded in ethanol filled photonic crystal fiber
Authors: Zhao, Zhiyong
Tang, Ming
Liao, Huiqi
Ren, Guobin
Fu, Songnian
Yang, Fang
Shum, Perry Ping
Liu, Deming
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Issue Date: 2014
Source: Zhao, Z., Tang, M., Liao, H., Ren, G., Fu, S., Yang, F., et al. (2014). Programmable multi-wavelength filter with Mach–Zehnder interferometer embedded in ethanol filled photonic crystal fiber. Optics Letters, 39(7), 2194-2197.
Series/Report no.: Optics letters
Abstract: We experimentally demonstrated a free spectrum range (FSR) tunable comb filter based on a programmable thermo-controlled Mach–Zehnder interferometer. The device is constructed by sandwiching a length of ethanol-filled photonic crystal fiber between single-mode fibers. A digital thermal printer head is used to facilitate the interference as well as to adjust the phase difference by selectively activating the independent heating elements, thus the FSR can be digitally tuned conveniently. The filter shows a feature of periodic equalized passbands with flat-top steep-edge as well as a high extinction ratio over a very wide range of wavelengths from 1.52 to 1.58 μm.
URI: https://hdl.handle.net/10356/104199
http://hdl.handle.net/10220/19567
ISSN: 0146-9592
DOI: 10.1364/OL.39.002194
Schools: School of Electrical and Electronic Engineering 
Rights: © 2014 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: http://dx.doi.org/10.1364/OL.39.002194.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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