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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 23, Iss. 3 — Mar. 1, 2005
  • pp: 1284–

Optimal Design of Planar Wavelength Circuits Based on Mach-Zehnder Interferometers and Their Cascaded Forms

Qian Wang and Sailing He

Journal of Lightwave Technology, Vol. 23, Issue 3, pp. 1284- (2005)


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Abstract

Optimal design of planar wavelength circuits based on Mach-Zehnder interferometers and their cascaded forms is presented with the wavelength dependence of the directional couplers considered. A simple approximate formula is presented to calculate quickly the wavelength-dependent phase difference for a directional coupler. By using this simple and effective formula and the genetic algorithm, a broadband coupler (1450-1650 nm) based on a Mach-Zehnder interferometer and a flat-top passband coarse wavelength division demultiplexer (with a channel spacing of 20 nm) based on cascaded Mach-Zehnder interferometers are optimally designed.

© 2005 IEEE

Citation
Qian Wang and Sailing He, "Optimal Design of Planar Wavelength Circuits Based on Mach-Zehnder Interferometers and Their Cascaded Forms," J. Lightwave Technol. 23, 1284- (2005)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-23-3-1284

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