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Polarization effects in microcoil resonators

Polarization effects in microcoil resonators
Polarization effects in microcoil resonators
Optical microcoil resonators (OMRs), formed by coiling a micron-diameter fibre around a rod as shown in Figure 1a, provide a unique resonator geometry in which light can evanescently couple between adjacent turns to produce high Q resonances. Furthermore, OMRs fabricated from a pigtailed fibre taper offer much lower coupling losses than cavity resonators. Applications in fields such as fluidic and temperature sensing have already been investigated, and the small fibre diameter and effective modal area indicate that OMRs are a promising platform for studying nonlinear interactions. A detailed understanding of OMR optical characteristics is crucial for further development, but theoretical studies have thus far neglected any polarization dependency. In this work, the influence of the fibre’s birefringence on the polarization of propagating light was studied by numerically solving polarization dependant coupled mode equations. The resulting transmission and dispersion properties are discussed for different degrees of fibre twist (Figure 1b). In addition to the linear behaviour, the nonlinear regime was explored, by incorporating a Kerr term, and found to be strongly enhanced around resonances.
Lee, T.
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Lee, T.
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8

Lee, T., Broderick, N.G.R. and Brambilla, G. (2010) Polarization effects in microcoil resonators. Photon 10 Southampton, Southampton, United Kingdom. 23 - 27 Aug 2010.

Record type: Conference or Workshop Item (Paper)

Abstract

Optical microcoil resonators (OMRs), formed by coiling a micron-diameter fibre around a rod as shown in Figure 1a, provide a unique resonator geometry in which light can evanescently couple between adjacent turns to produce high Q resonances. Furthermore, OMRs fabricated from a pigtailed fibre taper offer much lower coupling losses than cavity resonators. Applications in fields such as fluidic and temperature sensing have already been investigated, and the small fibre diameter and effective modal area indicate that OMRs are a promising platform for studying nonlinear interactions. A detailed understanding of OMR optical characteristics is crucial for further development, but theoretical studies have thus far neglected any polarization dependency. In this work, the influence of the fibre’s birefringence on the polarization of propagating light was studied by numerically solving polarization dependant coupled mode equations. The resulting transmission and dispersion properties are discussed for different degrees of fibre twist (Figure 1b). In addition to the linear behaviour, the nonlinear regime was explored, by incorporating a Kerr term, and found to be strongly enhanced around resonances.

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Published date: 23 August 2010
Venue - Dates: Photon 10 Southampton, Southampton, United Kingdom, 2010-08-23 - 2010-08-27
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 193367
URI: http://eprints.soton.ac.uk/id/eprint/193367
PURE UUID: f993dca5-158f-48a6-bf6f-055f6ce06888
ORCID for T. Lee: ORCID iD orcid.org/0000-0001-9665-5578
ORCID for G. Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

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Date deposited: 15 Aug 2011 09:30
Last modified: 15 Mar 2024 03:09

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Contributors

Author: T. Lee ORCID iD
Author: N.G.R. Broderick
Author: G. Brambilla ORCID iD

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