Title

Propagation and perfect transmission in three-waveguide axially varying couplers

Authors

Authors

B. M. Rodriguez-Lara; H. M. Moya-Cessa;D. N. Christodoulides

Comments

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Abbreviated Journal Title

Phys. Rev. A

Keywords

POPULATION TRANSFER; OPTICAL-FIBERS; MODE THEORY; Optics; Physics, Atomic, Molecular & Chemical

Abstract

We study a class of three-waveguide axially varying structures whose dynamics are described by the su(3) algebra. Their analytic propagator can be found based on the corresponding Lie group generators. In particular, we show that the field propagator corresponding to three-waveguide structures that have arbitrarily varying coupling coefficients and identical refractive indices is associated with the orbital angular momentum algebra. The conditions necessary to achieve perfect transmission from the first to the last waveguide element are obtained and particular cases are elucidated analytically.

Journal Title

Physical Review A

Volume

89

Issue/Number

1

Publication Date

1-1-2014

Document Type

Article

Language

English

First Page

4

WOS Identifier

WOS:000332115100004

ISSN

1050-2947

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