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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 15 — Aug. 1, 2009
  • pp: 2345–2347

Optical resonance tuning and polarization of thin-walled tubular microcavities

Vladimir A. Bolaños Quiñones, Gaoshan Huang, Johannes D. Plumhof, Suwit Kiravittaya, Armando Rastelli, Yongfeng Mei, and Oliver G. Schmidt  »View Author Affiliations


Optics Letters, Vol. 34, Issue 15, pp. 2345-2347 (2009)
http://dx.doi.org/10.1364/OL.34.002345


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Abstract

We present experimental and finite-difference time-domain simulation results on the tunability of optical resonant modes of spiral microtube cavities, rolled-up from square patterned Si O Si O 2 thin nanomembranes on glass substrates. The peak positions of resonant TM modes shift to lower energies by coating the microtube wall with Al 2 O 3 monolayers, which is well described by simulations. Moreover, a second group of tunable resonant modes appears beyond a certain critical thickness of the coated Al 2 O 3 . The polarization of this group of modes is TE, as we find out by a detailed analysis of the polarization-dependent photoluminescence spectra.

© 2009 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3945) Lasers and laser optics : Microcavities
(310.6628) Thin films : Subwavelength structures, nanostructures
(050.6875) Diffraction and gratings : Three-dimensional fabrication

ToC Category:
Integrated Optics

History
Original Manuscript: April 29, 2009
Revised Manuscript: June 23, 2009
Manuscript Accepted: June 25, 2009
Published: July 29, 2009

Citation
Vladimir A. Bolaños Quiñones, Gaoshan Huang, Johannes D. Plumhof, Suwit Kiravittaya, Armando Rastelli, Yongfeng Mei, and Oliver G. Schmidt, "Optical resonance tuning and polarization of thin-walled tubular microcavities," Opt. Lett. 34, 2345-2347 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-15-2345

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