Measurement of spontaneous emission from a two-dimensional photonic band gap defined microcavity at near-infrared wavelengths

Creators: Lee, R. K.; Painter, O. J.; D'Urso, B.; Scherer, A.; Yariv, A.

Abstract

An active, photonic band gap-based microcavity emitter in the near infrared is demonstrated. We present direct measurement of the spontaneous emission power and spectrum from a microcavity formed using a two-dimensional photonic band gap structure in a half wavelength thick slab waveguide. The appearance of cavity resonance peaks in the spectrum correspond to the photonic band gap energy. For detuned band gaps, no resonances are observed. For devices with correctly tuned band gaps, a two-time enhancement of the extraction efficiency was demonstrated compared to detuned band gaps and unpatterned material.

Additional Information

© 1999 American Institute of Physics. (Received 8 September 1998; accepted 18 January 1999) The authors would like to thank the Ortel Corporation for supplying the material grown for this letter. This work was supported by the U.S. Army Research Office. R.K.L. and O.J.P. are both supported by the National Science and Engineering Research Council of Canada. The authors would like to thank Dr. J. O'Brien from the University of Southern California for helpful discussions.

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