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Proceedings Paper

Cascaded Single-Mode Fiber Optic Transversal Filters
Author(s): C C. WANG
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Paper Abstract

The implementation of optical fiber transversal filters incorporating single-mode fibers and bidirectional couplers using a cascade synthesis procedure is discussed. The filter structures fabricated by this method exhibit good filtering characteristics in a broad frequency region. Single cascaded filters with first passband center frequencies from few MHz to over 3 GHz and with quality factors over 250 have been demonstrated. Many single cascades can also be cascaded together to form a multicascaded structure for shifting the first passband to higher frequencies or for suppression of the out-of-band attenuation level. Multicascaded filters with more than 30 dB out-off-band attenuation level have been demonstrated. The cascade synthesis procedure is very simple and cost-effective.

Paper Details

Date Published: 23 February 1987
PDF: 6 pages
Proc. SPIE 0716, High Frequency Optical Communications, (23 February 1987); doi: 10.1117/12.937450
Show Author Affiliations
C C. WANG, Sachs/Freeman Associates, Inc. (United States)

Published in SPIE Proceedings Vol. 0716:
High Frequency Optical Communications
O. Glenn Ramer; Paul Sierak, Editor(s)

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