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Whispering gallery mode spectra of channel waveguide coupled microspheres

Whispering gallery mode spectra of channel waveguide coupled microspheres
Whispering gallery mode spectra of channel waveguide coupled microspheres
Evanescent coupling of light from glass channel waveguides into the whispering gallery modes of glass microspheres of radius 15µm and 100µm is studied experimentally at wavelengths near 1550nm. Fitting the positions, widths and heights of resonances in the experimental spectra to the characteristic equation for microsphere modes and to universal coupled microresonator theory, we establish sphere radius and index, identify mode numbers, and determine losses. The results provide detailed information for the design of optical devices incorporating microsphere resonators in planar lightwave circuits.
1094-4087
11066-11076
Panitchob, Y.
c7e4a8b3-3346-48ad-9a7e-a5a43fdd9889
Murugan, G.S.
a867686e-0535-46cc-ad85-c2342086b25b
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Berneschi, S.
3d6ae730-b81b-4d5e-a6f7-4d27471b734c
Pelli, S.
d81655e8-6b22-4368-add9-20d2ec2075fc
NunziConti, G.
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Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Panitchob, Y.
c7e4a8b3-3346-48ad-9a7e-a5a43fdd9889
Murugan, G.S.
a867686e-0535-46cc-ad85-c2342086b25b
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Berneschi, S.
3d6ae730-b81b-4d5e-a6f7-4d27471b734c
Pelli, S.
d81655e8-6b22-4368-add9-20d2ec2075fc
NunziConti, G.
479ee888-fb39-4122-a583-47078490da8b
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca

Panitchob, Y., Murugan, G.S., Zervas, M.N., Horak, P., Berneschi, S., Pelli, S., NunziConti, G. and Wilkinson, J.S. (2008) Whispering gallery mode spectra of channel waveguide coupled microspheres. Optics Express, 16 (15), 11066-11076. (doi:10.1364/OE.16.011066).

Record type: Article

Abstract

Evanescent coupling of light from glass channel waveguides into the whispering gallery modes of glass microspheres of radius 15µm and 100µm is studied experimentally at wavelengths near 1550nm. Fitting the positions, widths and heights of resonances in the experimental spectra to the characteristic equation for microsphere modes and to universal coupled microresonator theory, we establish sphere radius and index, identify mode numbers, and determine losses. The results provide detailed information for the design of optical devices incorporating microsphere resonators in planar lightwave circuits.

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Published date: 2008
Organisations: Optoelectronics Research Centre, Electronics & Computer Science
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 63343
URI: http://eprints.soton.ac.uk/id/eprint/63343
DOI: doi:10.1364/OE.16.011066
ISSN: 1094-4087
PURE UUID: b1bfda55-e9d0-4724-ae2d-6c5a8a460f9e
ORCID for G.S. Murugan: ORCID iD orcid.org/0000-0002-2733-3273
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059
ORCID for P. Horak: ORCID iD orcid.org/0000-0002-8710-8764
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

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Date deposited: 08 Oct 2008
Last modified: 16 Mar 2024 03:46

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Contributors

Author: Y. Panitchob
Author: G.S. Murugan ORCID iD
Author: M.N. Zervas ORCID iD
Author: P. Horak ORCID iD
Author: S. Berneschi
Author: S. Pelli
Author: G. NunziConti
Author: J.S. Wilkinson ORCID iD

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