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Proceedings Paper

Theoretical comparison of low and high splitting ratio resonators
Author(s): Raymond Carroll; Robert P. Dahlgren
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Paper Abstract

There are two possible topologies to fabricate fiber optic resonators which contain a single, low-loss coupler. The first resonators reported in the literature were of the spliceless design and required a high splitting ratio coupler; they are denoted as a cross-coupled fiber resonator (CFR). The development of low-loss splicing technology enabled rings to be constructed from low splitting ratio couplers, which have been referred to as direct coupled resonators (DFR) in the literature. In this paper, DFR and CFR are theoretically compared, using a matrix formalism implemented in MathematicaTM. Effects of a non optimum splitting ratio, differential normal mode losses, polarization cross-coupling, and backscatter are examined. An optimum RFOG topology is suggested by this analysis.

Paper Details

Date Published: 9 March 1994
PDF: 10 pages
Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); doi: 10.1117/12.169944
Show Author Affiliations
Raymond Carroll, Charles Stark Draper Lab. (United States)
Robert P. Dahlgren, Fujikura Technology America Corp. (United States)


Published in SPIE Proceedings Vol. 2070:
Fiber Optic and Laser Sensors XI
Ramon P. DePaula, Editor(s)

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