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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 15 — Aug. 1, 2012
  • pp: 3249–3251

Multimode lasing from the microcavity of an octagonal quasi-crystal based on holographic polymer-dispersed liquid crystals

Ming Shian Li, Andy Ying-Guey Fuh, and Shing-Trong Wu  »View Author Affiliations

Optics Letters, Vol. 37, Issue 15, pp. 3249-3251 (2012)

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An eightfold photonic quasi-crystal (PQC) sample is fabricated holographically using two-beam interference with multi-exposure based on polymer-dispersed liquid crystals. The transmission spectra from the finite-difference time-domain (FDTD) simulation prove the photonic stop band of the rotational symmetry structure of the sample. The resonant mode of the circular microcavity formed in the PQC is calculated. Amplified spontaneous emission and multimode lasing action are demonstrated from the pumped laser-dye-doped PQC microcavity using a Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) pulse laser.

© 2012 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(160.5470) Materials : Polymers
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Diffraction and Gratings

Original Manuscript: March 7, 2012
Revised Manuscript: July 5, 2012
Manuscript Accepted: July 5, 2012
Published: July 30, 2012

Ming Shian Li, Andy Ying-Guey Fuh, and Shing-Trong Wu, "Multimode lasing from the microcavity of an octagonal quasi-crystal based on holographic polymer-dispersed liquid crystals," Opt. Lett. 37, 3249-3251 (2012)

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