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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 19 — Oct. 1, 2003
  • pp: 1784–1786

Intense directional lasing from a deformed square-shaped organic-inorganic hybrid glass microring cavity

Tao Ling, Liying Liu, Qinghai Song, Lei Xu, and Wencheng Wang  »View Author Affiliations


Optics Letters, Vol. 28, Issue 19, pp. 1784-1786 (2003)
http://dx.doi.org/10.1364/OL.28.001784


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Abstract

Intense directional light emission from a deformed square-shaped organic light-emitting microring cavity was observed. The ring cavity was a dye-doped organic–inorganic hybrid glass film coated upon a square-shaped fiber. From the near-field and far-field emission patterns and their emission spectra we found, for the first time to our knowledge, the simultaneous existence of chaotic whispering-gallery modes and four-bounce reflection modes. The two types of mode have different emission directions, different lasing thresholds, and different spectral linewidths. High-contrast angle-modulated light emission was also observed. We could control modulation and angular spread of emission by controlling the deformation of the cavity.

© 2003 Optical Society of America

OCIS Codes
(140.1540) Lasers and laser optics : Chaos
(140.3410) Lasers and laser optics : Laser resonators
(160.6060) Materials : Solgel
(230.3990) Optical devices : Micro-optical devices
(260.5740) Physical optics : Resonance

Citation
Tao Ling, Liying Liu, Qinghai Song, Lei Xu, and Wencheng Wang, "Intense directional lasing from a deformed square-shaped organic-inorganic hybrid glass microring cavity," Opt. Lett. 28, 1784-1786 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-19-1784

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