Efficient Faraday rotation in birefringent optical microfibre loop resonators for current sensing
Efficient Faraday rotation in birefringent optical microfibre loop resonators for current sensing
The optimization of resonantly enhanced Faraday rotation in microfiber loop resonators with linear birefringence is presented. For a sufficiently large birefringence-induced resonance separation, the evolution of differential phase between the two orthogonal polarizations can lead to efficient Faraday rotation when the loop circumference is a quarter of the polarization beat length and the roundtrip phase of the eigenmode in the fast axis is 3ω/2 plus an integer multiple of 2ω. This study provides the groundwork for fabricating microfiber loop resonator based current sensors that can operate efficiently despite the presence of birefringence.
1547-1548
Chen, G.Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
22 November 2012
Chen, G.Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Chen, G.Y., Newson, T.P. and Brambilla, G.
(2012)
Efficient Faraday rotation in birefringent optical microfibre loop resonators for current sensing.
Electronics Letters, 48 (24), .
(doi:10.1049/el.2012.3156).
Abstract
The optimization of resonantly enhanced Faraday rotation in microfiber loop resonators with linear birefringence is presented. For a sufficiently large birefringence-induced resonance separation, the evolution of differential phase between the two orthogonal polarizations can lead to efficient Faraday rotation when the loop circumference is a quarter of the polarization beat length and the roundtrip phase of the eigenmode in the fast axis is 3ω/2 plus an integer multiple of 2ω. This study provides the groundwork for fabricating microfiber loop resonator based current sensors that can operate efficiently despite the presence of birefringence.
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Published date: 22 November 2012
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 349940
URI: http://eprints.soton.ac.uk/id/eprint/349940
ISSN: 0013-5194
PURE UUID: 6e49ec44-763b-4fbe-b548-f515d5452b1c
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Date deposited: 18 Mar 2013 09:53
Last modified: 15 Mar 2024 03:09
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Author:
G.Y. Chen
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