Near-field scanning optical microscopy of standing waves in fiber Bragg gratings
Near-field scanning optical microscopy of standing waves in fiber Bragg gratings
Near-field scanning optical microscopy (NSOM) can provide direct information about the electric fields inside optoelectronic devices with subwavelength resolution. This letter describes direct, wavelength-resolved measurements of the amplitude and phase of the standing waves within a fiber Bragg grating, using a heterodyne interference variant of NSOM that works at telecommunications wavelengths. The amplitudes of forward- and backward-going components of the standing wave can be measured separately, and the position shift of the standing wave antinodes as the wavelength varies across the stop band is imaged directly.
1890-1892
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Mills, J.D.
3b139ebc-5875-4367-80e6-f7e94cf2d6a8
Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67
1 September 2003
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Mills, J.D.
3b139ebc-5875-4367-80e6-f7e94cf2d6a8
Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67
Gates, J.C., Mills, J.D. and Brocklesby, W.S.
(2003)
Near-field scanning optical microscopy of standing waves in fiber Bragg gratings.
Applied Physics Letters, 83 (9), .
(doi:10.1063/1.1606106).
Abstract
Near-field scanning optical microscopy (NSOM) can provide direct information about the electric fields inside optoelectronic devices with subwavelength resolution. This letter describes direct, wavelength-resolved measurements of the amplitude and phase of the standing waves within a fiber Bragg grating, using a heterodyne interference variant of NSOM that works at telecommunications wavelengths. The amplitudes of forward- and backward-going components of the standing wave can be measured separately, and the position shift of the standing wave antinodes as the wavelength varies across the stop band is imaged directly.
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2565
- Author's Original
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Submitted date: 20 January 2003
Published date: 1 September 2003
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Local EPrints ID: 38534
URI: http://eprints.soton.ac.uk/id/eprint/38534
ISSN: 0003-6951
PURE UUID: b9b5fe27-485a-42ed-b274-41bd44fad605
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Date deposited: 13 Jun 2006
Last modified: 16 Mar 2024 03:18
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