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Proceedings Paper

Spectral optimization of optical wavelength filters
Author(s): Brent E. Little; Chi Wu; Wei-Ping Huang
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Paper Abstract

Appropriate apodization or tapering of the interaction strength in codirectional couplers leads to the suppression of sidelobe levels. It is shown that taper shape optimization may lead to sidelobe suppression on the order of - 125 db and lower. However, lower sidelobe levels are accompanied by a broadening of the passband width. It is shown that there are distinct coupler shapes which minimize the passband width for a desired sidelobe level. The theoretical results are shown to be in excellent agreement with beam propagation method simulations.

Paper Details

Date Published: 23 March 1995
PDF: 9 pages
Proc. SPIE 2402, Components for Wavelength Division Multiplexing, (23 March 1995); doi: 10.1117/12.205278
Show Author Affiliations
Brent E. Little, Massachusetts Institute of Technology (United States)
Chi Wu, Bell-Northern Research Ltd. (Canada)
Wei-Ping Huang, Univ. of Waterloo (Canada)


Published in SPIE Proceedings Vol. 2402:
Components for Wavelength Division Multiplexing
Emil S. Koteles, Editor(s)

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