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Proceedings Paper

Anomalous localization modes in Bragg-grating based on high index-difference waveguide
Author(s): Tomohiro Kita; Koji Uchijima; Hirohito Yamada
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Paper Abstract

We observed photonic band-gap disappearance on Bragg-grating wavelength filters with Si photonic-wire waveguides, and studied the physical mechanism with theoretical and numerical analyses. This is a unique phenomenon observed in channel waveguides with very high index-contrast between the waveguide core and cladding materials. The photonic band-gap disappearance was observed in structures where two different optical field distributions of standing wave degenerate.

Paper Details

Date Published: 14 March 2013
PDF: 7 pages
Proc. SPIE 8629, Silicon Photonics VIII, 86291C (14 March 2013); doi: 10.1117/12.2003724
Show Author Affiliations
Tomohiro Kita, Tohoku Univ. (Japan)
Koji Uchijima, Tohoku Univ. (Japan)
Hirohito Yamada, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 8629:
Silicon Photonics VIII
Joel Kubby; Graham T. Reed, Editor(s)

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