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Mode transit times in near-parabolic-index optical fibres

Mode transit times in near-parabolic-index optical fibres
Mode transit times in near-parabolic-index optical fibres
Calculations are presented of the transit times of guided and tunnelling rays in graded-index optical fibres. It is shown that 25% of the power launched by an incoherent source into a parabolic-index fibre is carried by leaky rays, which may increase the r.m.s. width of the impulse response by up to 41%. The profile which most effectively equalises the combined transit times of both guided and tunneling rays is given by α = 2-4 Δ
0013-5194
389-391
Adams, M.J.
4a9df701-bc4d-492e-a54e-de6d526d3083
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Sladen, F.M.E.
d444502d-d1bd-4e85-9743-13568c170277
Adams, M.J.
4a9df701-bc4d-492e-a54e-de6d526d3083
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Sladen, F.M.E.
d444502d-d1bd-4e85-9743-13568c170277

Adams, M.J., Payne, D.N. and Sladen, F.M.E. (1975) Mode transit times in near-parabolic-index optical fibres. Electronics Letters, 11 (16), 389-391. (doi:10.1049/el:19750295).

Record type: Article

Abstract

Calculations are presented of the transit times of guided and tunnelling rays in graded-index optical fibres. It is shown that 25% of the power launched by an incoherent source into a parabolic-index fibre is carried by leaky rays, which may increase the r.m.s. width of the impulse response by up to 41%. The profile which most effectively equalises the combined transit times of both guided and tunneling rays is given by α = 2-4 Δ

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Published date: 1975

Identifiers

Local EPrints ID: 78776
URI: http://eprints.soton.ac.uk/id/eprint/78776
ISSN: 0013-5194
PURE UUID: a6d97d67-681c-4cd4-b3f2-9acce4a722a3

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Date deposited: 11 Mar 2010
Last modified: 30 Jul 2019 19:10

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Contributors

Author: M.J. Adams
Author: D.N. Payne
Author: F.M.E. Sladen

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