Selective coupling of fibre modes using surface-guided Bloch modes supported by dielectric multilayer stacks
Selective coupling of fibre modes using surface-guided Bloch modes supported by dielectric multilayer stacks
The surface-guided Bloch modes guided by the interface between a multilayer dielectric stack and an external medium are highly dispersive. This makes attractive their use in mode-selective coupling of light into and out of side-polished multimode fibres. The particular case of a dual-mode fibre is modelled in this paper. Mode selection via surface-guided Bloch modes is found to offer advantages in comparison to selection via a single mode waveguiding film of the same average refractive index as the stack. Good modal selectivity is achievable together with high tunability, i.e., high sensitivity to the refractive index of the intervening layer between stack and side-polished fibre.
2655-2659
Pechstedt, R.D.
88954d50-1750-4383-87de-ea0460eb4497
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Lloyd-Lucas, F.D.
4e7044f8-d5af-450a-accd-5e64b0d60aca
1995
Pechstedt, R.D.
88954d50-1750-4383-87de-ea0460eb4497
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Lloyd-Lucas, F.D.
4e7044f8-d5af-450a-accd-5e64b0d60aca
Pechstedt, R.D., Russell, P.St.J., Birks, T.A. and Lloyd-Lucas, F.D.
(1995)
Selective coupling of fibre modes using surface-guided Bloch modes supported by dielectric multilayer stacks.
Journal of the Optical Society of America A, 12 (12), .
(doi:10.1364/JOSAA.12.002655).
Abstract
The surface-guided Bloch modes guided by the interface between a multilayer dielectric stack and an external medium are highly dispersive. This makes attractive their use in mode-selective coupling of light into and out of side-polished multimode fibres. The particular case of a dual-mode fibre is modelled in this paper. Mode selection via surface-guided Bloch modes is found to offer advantages in comparison to selection via a single mode waveguiding film of the same average refractive index as the stack. Good modal selectivity is achievable together with high tunability, i.e., high sensitivity to the refractive index of the intervening layer between stack and side-polished fibre.
Text
1057
- Author's Original
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Published date: 1995
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Local EPrints ID: 78144
URI: http://eprints.soton.ac.uk/id/eprint/78144
ISSN: 1084-7529
PURE UUID: ddf5b9d9-3433-498a-a824-c9b0047f949a
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:07
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Author:
R.D. Pechstedt
Author:
P.St.J. Russell
Author:
T.A. Birks
Author:
F.D. Lloyd-Lucas
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