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A microfiber cavity with minimal-volume confinement

A microfiber cavity with minimal-volume confinement
A microfiber cavity with minimal-volume confinement
We demonstrate a type of microcavity with minimal-volume confinement using a high-contrast phase-shifted Bragg grating in a microfiber. While waveguiding by the air-silica boundary provides a diffraction-limited two-dimensional confinement, the grating introduces the third degree of confinement. Theoretical simulations verified the microfiber cavity confinement while the experimental demonstration, carried out in samples nanostructured by focused ion beam, showed a good agreement with theoretical predictions. This cavity can be used for a variety of applications ranging from sensing to quantum dynamic experiments
0003-6951
051105-[3pp]
Ding, Ming
086b25a3-e5c3-4501-a90d-43d734e19344
Wang, Pengfei
a1ba240f-d4f0-4150-bcd8-cb418e841dcb
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Ding, Ming
086b25a3-e5c3-4501-a90d-43d734e19344
Wang, Pengfei
a1ba240f-d4f0-4150-bcd8-cb418e841dcb
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8

Ding, Ming, Wang, Pengfei, Lee, Timothy and Brambilla, Gilberto (2011) A microfiber cavity with minimal-volume confinement. Applied Physics Letters, 99 (5), 051105-[3pp]. (doi:10.1063/1.3621836).

Record type: Article

Abstract

We demonstrate a type of microcavity with minimal-volume confinement using a high-contrast phase-shifted Bragg grating in a microfiber. While waveguiding by the air-silica boundary provides a diffraction-limited two-dimensional confinement, the grating introduces the third degree of confinement. Theoretical simulations verified the microfiber cavity confinement while the experimental demonstration, carried out in samples nanostructured by focused ion beam, showed a good agreement with theoretical predictions. This cavity can be used for a variety of applications ranging from sensing to quantum dynamic experiments

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Published date: August 2011
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 201103
URI: http://eprints.soton.ac.uk/id/eprint/201103
ISSN: 0003-6951
PURE UUID: 7fba4ca7-c700-4805-af0e-0cbfdb1ff147

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Date deposited: 28 Oct 2011 09:01
Last modified: 16 Jul 2019 23:20

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Contributors

Author: Ming Ding
Author: Pengfei Wang
Author: Timothy Lee

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