Theoretical comparison of low and high splitting ratio resonators

Raymond Carroll; Robert P. Dahlgren

doi:10.1117/12.169944

9 March 1994 Theoretical comparison of low- and high-splitting ratio resonators

Raymond Carroll, Robert P. Dahlgren

Proceedings Volume 2070, Fiber Optic and Laser Sensors XI; (1994) https://doi.org/10.1117/12.169944
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

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 Mathematica^TM. 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.

Citation Download Citation

Raymond Carroll and Robert P. Dahlgren "Theoretical comparison of low- and high-splitting ratio resonators", Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); https://doi.org/10.1117/12.169944

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