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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 11 — Jun. 1, 2007
  • pp: 1375–1377

Operating characteristics of near-infrared self-assembled polymer microlasers

Martin Djiango, Takeyuki Kobayashi, Estelle Bouron, Werner J. Blau, Yasuhiro Suzuki, and Toshikuni Kaino  »View Author Affiliations

Optics Letters, Vol. 32, Issue 11, pp. 1375-1377 (2007)

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We report near-infrared laser emission from self-assembled luminescent polymer microcavities. The micro rings are formed around silica optical fibers of varying diameters (80, 125, and 200 μ m ) and are shown to exhibit photopumped lasing at approximately 820 nm . The microrings with 200 μ m inner diameter have an overall quality factor of 2 × 10 3 , which is limited by surface roughness and scattering. We illustrate how the laser threshold varies inversely with both the quality factor and the diameter of the microrings. The free spectral range and the intensity variation of the laser output are also presented.

© 2007 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.4780) Lasers and laser optics : Optical resonators
(160.4890) Materials : Organic materials
(250.3680) Optoelectronics : Light-emitting polymers

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 3, 2007
Revised Manuscript: March 2, 2007
Manuscript Accepted: March 8, 2007
Published: April 25, 2007

Martin Djiango, Takeyuki Kobayashi, Estelle Bouron, Werner J. Blau, Yasuhiro Suzuki, and Toshikuni Kaino, "Operating characteristics of near-infrared self-assembled polymer microlasers," Opt. Lett. 32, 1375-1377 (2007)

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  18. There is no noticeable difference in the laser threshold when the pump beam polarization is orthogonal, instead of parallel, to the optical fiber axis.

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