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Published March 1, 2002 | Published
Journal Article Open

Polarization properties of dipolelike defect modes in photonic crystal nanocavities

Abstract

Far-field measurements of the in-plane polarization properties of spontaneous emission from optical nanocavities formed in two-dimensional photonic crystal slab waveguides are presented. A strong polarization signature, even subthreshold, is found for a pair of highly localized dipolelike resonant modes. This polarization signature is used to study the effects of symmetry lowering within the cavity.

Additional Information

© 2002 Optical Society of America. Received July 20, 2001. The authors thank A. Scherer, P.D. Dapkus, and J.D. O'Brien for their help with the growth and fabrication of samples. K. Srinivasan thanks the Hertz Foundation for its financial support.

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