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Coupling between even- and oddlike modes in a single asymmetric photonic crystal waveguide

Appl. Phys. Lett. 95, 183106 (2009); doi:10.1063/1.3259819

Published 5 November 2009

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Xiaoyu Mao, Yidong Huang, Wei Zhang, and Jiangde Peng
Department of Electronic Engineering, State Key Laboratory of Integrated Optoelectronics, Tsinghua University, Beijing 100084, People's Republic of China
The photonic crystal (PC) is an important structure for realizing optical integrative circuits. Nowadays, most PC based passive devices operate by utilizing the coupling either between several PC waveguides or between PC waveguides and resonance cavities. In this letter, we present a coupling mechanism between even- and oddlike modes in a single asymmetric PC waveguide. Switches based on this coupling phenomenon were validated experimentally. By adjusting the temperature controlled by the thermal resistor, an extinction ratio of 9.1 dB was realized. Our researches provide a potential way of not only guiding but also controlling light in a simple single PC waveguide. ©2009 American Institute of Physics
History: Received 10 August 2009; accepted 1 October 2009; published 5 November 2009
Permalink: http://link.aip.org/link/?APPLAB/95/183106/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.79.Gn
    Optical waveguides and couplers
  • 42.70.Qs
    Photonic bandgap materials
  • 42.82.Et
    Optical waveguides, couplers, and arrays (integrated optics)
  • YEAR: 2010

PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
Publisher:
AIP is a member of CrossRef AIP

REFERENCES (13)
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