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Optical Engineering

Novel Mach-Zehnder interferometer structure for tunable optical interleaver
Author(s): Juan Zhang; Liren Liu
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Paper Abstract

A novel optical interleaver scheme based on nested optical glass pairs is proposed. The assembly of pairs behaves as a cascaded Mach-Zehnder interferometer. The interleaver, with simple structure, low cost, and compact size, can be easily implemented with inexpensive material and mature preparation technology. Small channel spacing (≤50 GHz), high isolation (<–30 dB), a wide, flat passband and stop band (>2/11 period), and center-frequency tunability can be obtained simultaneously. An optimum design of a 50-GHz tunable interleaver based on this structure is given as an example. Its environmental temperature sensitivity and fabrication tolerance are also analyzed.

Paper Details

Date Published: 1 April 2006
PDF: 7 pages
Opt. Eng. 45(4) 045003 doi: 10.1117/1.2190223
Published in: Optical Engineering Volume 45, Issue 4
Show Author Affiliations
Juan Zhang, Shanghai Univ. (China)
Liren Liu, Shanghai Institute of Optics and Fine Mechanics (China)


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