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Proceedings Paper

Resonance condition and field distribution in line-defect photonic crystal cavities
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Paper Abstract

By applying a recently proposed coupled-Bloch-mode approach, we have derived the resonance condition for the longitudinal modes of passive photonic crystal (PhC) line-defect cavities. We have derived simple expressions for the electric field depending on the size of the cavity and the order of the resonant mode. We have shown that, as the cavity becomes longer, the fundamental mode turns from FP-like to DFB-like and the fraction of its wavevector components within the light cone is gradually suppressed. Importantly, we have clarified the physical origin for this behaviour.

Paper Details

Date Published: 24 February 2020
PDF: 9 pages
Proc. SPIE 11301, Novel In-Plane Semiconductor Lasers XIX, 113010W (24 February 2020); doi: 10.1117/12.2545149
Show Author Affiliations
Marco Saldutti, Politecnico di Torino (Italy)
Jesper Mørk, Technical Univ. of Denmark (Denmark)
Mariangela Gioannini, Politecnico di Torino (Italy)

Published in SPIE Proceedings Vol. 11301:
Novel In-Plane Semiconductor Lasers XIX
Alexey A. Belyanin; Peter M. Smowton, Editor(s)

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