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Proceedings Paper

All-fiber double ring resonator using multiport coupler
Author(s): Gamal Mohamed Abdel Abd-el-Hamid
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Paper Abstract

We present a device which has potential for use as a fiber sensor. The device is formed by leading two of the output parts of a multiport coupler (eight port coupler) of square form, back to two of the input ports to form a double ring resonator structure. A 4 X 4 square fused coupler with coupling coefficient Kl equals 0.348 II and an excess loss of about 0.5 dB and a loop loss of about 2 dB was fabricated in our laboratories. The double ring resonator was formed as described. By modulating one ring with Pz element, the finesses of the device as approximately 30. Therefore, the two rings may provide one ring as a reference arm and the other ring as a sensing arm. Thus, the device may have potential for use as a sensitive fiber optic sensor.

Paper Details

Date Published: 14 October 1996
PDF: 8 pages
Proc. SPIE 2840, Fly-by-Light III, (14 October 1996); doi: 10.1117/12.254222
Show Author Affiliations
Gamal Mohamed Abdel Abd-el-Hamid, Central Military Zone for Armed Forces (Egypt)

Published in SPIE Proceedings Vol. 2840:
Fly-by-Light III
Daniel B. Thompson; Robert J. Baumbick, Editor(s)

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