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Novel fiber bottle microresonator add-drop filters

Novel fiber bottle microresonator add-drop filters
Novel fiber bottle microresonator add-drop filters
Novel bottle microresonators fabricated from standard telecommunications optical fiber were recently shown to support helical whispering gallery modes (WGMs) extending along the bottle length between the bottle necks. Intensity maxima were observed around the turning points on both sides close to the bottle necks where the WGMs are effectively reflected. Selective excitation on one side of the bottle microresonator leads to strong power localization at a symmetrically located turning point for the WGMs and can potentially be exploited to form effective add-drop filters. Channel dropping characteristics have been studied experimentally for the first time in this novel type of microresonator. A tapered optical fiber (drawn down to 2-3 microns in diameter with effective index of approximately 1.2) was placed on one side of the bottle to excite the bottle WGMs. A similar tapered fiber placed symmetrically on the other side of the bottle acted as a probe to extract the excited modes. We have successfully extracted power from all the resonance wavelengths using the probe placed at appropriate positions along the bottle, leading to the potential to construct efficient all fiber add-drop filters.
microresonators, neck, optical fibers, tapered optical fibers, telecommunications
75980K-75980K
Murugan, Ganapathy Senthil
a867686e-0535-46cc-ad85-c2342086b25b
Wilkinson, James S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Jiang, Shibin
b06fa062-1c76-4ebc-baf1-e810b245bafc
Digonnet, Michel J.F.
beb8ed0c-fc98-4db0-ad97-a06e81eed865
Glesener, John W.
24b92ce3-ca1b-43f1-8c75-5de2898b8fef
Dries, J. Christopher
d1146fbb-f2af-4bcf-ae3b-696285d49a53
Murugan, Ganapathy Senthil
a867686e-0535-46cc-ad85-c2342086b25b
Wilkinson, James S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Jiang, Shibin
b06fa062-1c76-4ebc-baf1-e810b245bafc
Digonnet, Michel J.F.
beb8ed0c-fc98-4db0-ad97-a06e81eed865
Glesener, John W.
24b92ce3-ca1b-43f1-8c75-5de2898b8fef
Dries, J. Christopher
d1146fbb-f2af-4bcf-ae3b-696285d49a53

Murugan, Ganapathy Senthil, Wilkinson, James S. and Zervas, Michalis N. (2010) Novel fiber bottle microresonator add-drop filters. Jiang, Shibin, Digonnet, Michel J.F., Glesener, John W. and Dries, J. Christopher (eds.) Optical Components and Materials VII co-located with SPIE Photonics West 2010, San Francisco, United States. 26 - 28 Jan 2010. 75980K-75980K . (doi:10.1117/12.841798).

Record type: Conference or Workshop Item (Paper)

Abstract

Novel bottle microresonators fabricated from standard telecommunications optical fiber were recently shown to support helical whispering gallery modes (WGMs) extending along the bottle length between the bottle necks. Intensity maxima were observed around the turning points on both sides close to the bottle necks where the WGMs are effectively reflected. Selective excitation on one side of the bottle microresonator leads to strong power localization at a symmetrically located turning point for the WGMs and can potentially be exploited to form effective add-drop filters. Channel dropping characteristics have been studied experimentally for the first time in this novel type of microresonator. A tapered optical fiber (drawn down to 2-3 microns in diameter with effective index of approximately 1.2) was placed on one side of the bottle to excite the bottle WGMs. A similar tapered fiber placed symmetrically on the other side of the bottle acted as a probe to extract the excited modes. We have successfully extracted power from all the resonance wavelengths using the probe placed at appropriate positions along the bottle, leading to the potential to construct efficient all fiber add-drop filters.

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More information

Published date: 26 January 2010
Venue - Dates: Optical Components and Materials VII co-located with SPIE Photonics West 2010, San Francisco, United States, 2010-01-26 - 2010-01-28
Keywords: microresonators, neck, optical fibers, tapered optical fibers, telecommunications
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 356027
URI: http://eprints.soton.ac.uk/id/eprint/356027
PURE UUID: 0214e8eb-4ef6-4c33-9292-b60f39f8f796
ORCID for Ganapathy Senthil Murugan: ORCID iD orcid.org/0000-0002-2733-3273
ORCID for James S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697
ORCID for Michalis N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 16 Sep 2013 11:27
Last modified: 18 Feb 2021 17:05

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Contributors

Editor: Shibin Jiang
Editor: Michel J.F. Digonnet
Editor: John W. Glesener
Editor: J. Christopher Dries

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