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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4158–4161

Selective excitation of lowest-order transverse ring modes in a quasi-stadium laser diode

Takehiro Fukushima, Susumu Shinohara, Satoshi Sunada, Takahisa Harayama, Kenichi Arai, Koichiro Sakaguchi, and Yasunori Tokuda  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4158-4161 (2013)
http://dx.doi.org/10.1364/OL.38.004158


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Abstract

For a two-dimensional quasi-stadium laser diode, we demonstrate stable excitation of the lowest-order transverse ring modes by optimally designing the confocal end mirrors of the laser cavity based on extended Fox–Li mode calculations. We observe kink-free light output versus injection current characteristics and highly directional single-peak emissions corresponding to the diamond-shaped trajectory in the cavity. These results provide convincing evidence for selective excitation of the lowest-order transverse modes.

© 2013 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3410) Lasers and laser optics : Laser resonators

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 25, 2013
Revised Manuscript: September 10, 2013
Manuscript Accepted: September 16, 2013
Published: October 10, 2013

Citation
Takehiro Fukushima, Susumu Shinohara, Satoshi Sunada, Takahisa Harayama, Kenichi Arai, Koichiro Sakaguchi, and Yasunori Tokuda, "Selective excitation of lowest-order transverse ring modes in a quasi-stadium laser diode," Opt. Lett. 38, 4158-4161 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4158

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