Second-order perturbation theory of rectangular waveguides and directional couplers

Year: 1994

Authors: Costantini B., De Angelis C., Galtarossa A., Someda C. G.

Autors Affiliation: Dipartimento di Elettronica e Informatica, Università di Padova, Padova, Italy.

Abstract: Perturbation theory is applied to rectangular-core coupled waveguides, whose cladding can be homogeneous or not. Second-order corrections are evaluated for the phase constants of the guided modes and for the coupling coefficient. This requires the full spectrum of radiation modes, which are found within the same approximation as Marcatili

Journal/Review: APPLIED OPTICS

Volume: 33 (3)      Pages from: 407  to: 413

KeyWords: Integrated optics
DOI: 10.1364/AO.33.000407

Citations: 2
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