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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 2 — Feb. 1, 2012
  • pp: 209–214

Spectral characteristics of single and coupled microresonator lasers comprising a replica-molded Bragg grating and dye-doped polymer

J. Zheng, M. Lu, C. J. Wagner, B. T. Cunningham, and J. G. Eden  »View Author Affiliations


JOSA B, Vol. 29, Issue 2, pp. 209-214 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000209


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Abstract

Visible microlasers consisting of 80±20nm thick, dye-doped polymer resonators mated to a second-order, distributed feedback grating having a period of 410nm exhibit longitudinal mode and spectral characteristics that can be manipulated by microresonator design. Resonators in the form of a square, ring (annulus), or a ring with an intentionally introduced defect (π/2 section removed) have been examined with respect to the output spectrum, pump energy threshold, and relative slope efficiency of the corresponding microlaser. Although the emission of single rings and arrays of nonoverlapped rings is generally a single mode, the square geometry resonator exhibits a spectrum rich in mode structure, which is attributed partially to degeneracies associated with two coupled Fabry–Perot resonators. Similarly, arrays of coupled (overlapped) rings produce multimode spectra that are skewed toward the blue. For a fixed pump fluence, an array of coupled rings generates output energies at least 50% higher than those for its uncoupled counterpart.

© 2012 Optical Society of America

OCIS Codes
(140.2050) Lasers and laser optics : Dye lasers
(140.3410) Lasers and laser optics : Laser resonators
(140.3460) Lasers and laser optics : Lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.7270) Lasers and laser optics : Vertical emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 11, 2011
Manuscript Accepted: October 13, 2011
Published: January 13, 2012

Citation
J. Zheng, M. Lu, C. J. Wagner, B. T. Cunningham, and J. G. Eden, "Spectral characteristics of single and coupled microresonator lasers comprising a replica-molded Bragg grating and dye-doped polymer," J. Opt. Soc. Am. B 29, 209-214 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-2-209

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