Simple description of laterally resonant, distributed-feedback-like modes of arrays of antiguides

The Bloch-function method is used to provide a simple, yet accurate treatment of the leaky modes of infinite-extent antiguided arrays. Laterally resonant modes of infinite arrays are described for the first time. Bloch-function solutions for infinite arrays are used to explain key characteristics of...

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Bibliographic Details
Published in:Applied physics letters 1992-03, Vol.60 (9), p.1049-1051
Main Authors: ZMUDZINSKI, C. A, BOTEZ, D, MAWST, L. J
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
Semiconductor lasers
laser diodes
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Summary:The Bloch-function method is used to provide a simple, yet accurate treatment of the leaky modes of infinite-extent antiguided arrays. Laterally resonant modes of infinite arrays are described for the first time. Bloch-function solutions for infinite arrays are used to explain key characteristics of the modes of finite-extent antiguided arrays. It is found that the resonant modes of antiguided arrays satisfy the second-order lateral Bragg condition, and consequently are analogous to the modes of second-order distributed-feedback (DFB) lasers. In effect, the resonant-optical-waveguide (ROW) array is a second-order lateral DFB structure with the radiative component along the longitudinal device axis, and zero stopband.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.106440