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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1683–1685

Highly efficient light emission at λ = 1.5 μm by a three-dimensional tungsten photonic crystal

S. Y. Lin, J. G. Fleming, and I. El-Kady  »View Author Affiliations


Optics Letters, Vol. 28, Issue 18, pp. 1683-1685 (2003)
http://dx.doi.org/10.1364/OL.28.001683


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Abstract

For what is believed to be the first time, a three-dimensional tungsten photonic crystal is demonstrated to emit light effectively at wavelength λ=1.5 μm . At a bias of V=7 V, the thermal emission exhibits a full width at half-maximum of Δλ=0.85 μm . Within this narrow band, the emitted optical power is 4.5 W and the electrical-to-optical conversion efficiency is ~22% per emitting surface. This unique emission is made possible by a large, absolute bandgap in the infrared λ and flat photonic dispersion near the band edges and in a narrow absorption band.

© 2003 Optical Society of America

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(270.0270) Quantum optics : Quantum optics

Citation
S. Y. Lin, J. G. Fleming, and I. El-Kady, "Highly efficient light emission at λ = 1.5 μm by a three-dimensional tungsten photonic crystal," Opt. Lett. 28, 1683-1685 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-18-1683

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