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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 16 — Aug. 15, 2005
  • pp: 2113–2115

Spontaneous emission enhancement at a photonic wire miniband edge

E. Viasnoff-Schwoob, C. Weisbuch, H. Benisty, S. Olivier, R. Houdre, and C. J. M. Smith  »View Author Affiliations


Optics Letters, Vol. 30, Issue 16, pp. 2113-2115 (2005)
http://dx.doi.org/10.1364/OL.30.002113


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Abstract

In a multimode photonic-crystal waveguide, we observe strong enhancement of the photoluminescence of embedded quantum dots at the edges of the so-called mini-stopband that were opened by Bragg diffraction between two guided modes. Taking into account light collection, we relate this observation to the singular photon density of states that is characteristic of a one-dimensional photon system. Furthermore, we quantify by how much the radiation losses smooth the divergence. For the first time to our knowledge, a clear account of the control of spontaneous emission in a one-dimensional system is thus demonstrated.

© 2005 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits

Citation
E. Viasnoff-Schwoob, C. Weisbuch, H. Benisty, S. Olivier, R. Houdre, and C. J. M. Smith, "Spontaneous emission enhancement at a photonic wire miniband edge," Opt. Lett. 30, 2113-2115 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-16-2113

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