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A practical tuning mechanism for fused-tapered couplers

A practical tuning mechanism for fused-tapered couplers
A practical tuning mechanism for fused-tapered couplers
The axial twisting of a fused-tapered single-mode fiber coupler causes optical decoupling, which can change the power-splitting ratio of the coupler. Twisting of the coupling region causes a redistribution of the modal fields away from the coupler axis as a result of an effective refractive-index change. A simple analytical expression is derived that describes this decoupling effect. An environmentally stable package is implemented that allows a coupler's response to be tuned through all possible values.
0146-9592
1126-1128
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178

Birks, T.A. (1988) A practical tuning mechanism for fused-tapered couplers. Optics Letters, 13, 1126-1128. (doi:10.1364/OL.13.001126).

Record type: Article

Abstract

The axial twisting of a fused-tapered single-mode fiber coupler causes optical decoupling, which can change the power-splitting ratio of the coupler. Twisting of the coupling region causes a redistribution of the modal fields away from the coupler axis as a result of an effective refractive-index change. A simple analytical expression is derived that describes this decoupling effect. An environmentally stable package is implemented that allows a coupler's response to be tuned through all possible values.

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Published date: 1988

Identifiers

Local EPrints ID: 78467
URI: https://eprints.soton.ac.uk/id/eprint/78467
ISSN: 0146-9592
PURE UUID: edda7a85-de89-4235-bf9f-18bd85e0f59f

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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