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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 6 — Mar. 15, 2003
  • pp: 408–410

Quasi-stadium laser diodes with an unstable resonator condition

Takehiro Fukushima, Takahisa Harayama, Peter Davis, Pablo O. Vaccaro, Takehiro Nishimura, and Tahito Aida  »View Author Affiliations


Optics Letters, Vol. 28, Issue 6, pp. 408-410 (2003)
http://dx.doi.org/10.1364/OL.28.000408


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Abstract

We have observed lasing in a complicated eigenmode of a quasi-stadium laser diode with an unstable resonator consisting of two curved end mirrors obeying an unstable resonator condition and two straight sidewall mirrors. The laser was fabricated by application of a reactive-ion-etching technique to a molecular beam epitaxy–grown graded-index separate-confinement heterostructure single-quantum-well GaAs/AlGaAs structure. The far-field pattern shows that the lasing mode corresponds to the complicated lowest-loss mode obtained numerically by an extended Fox–Li method.

© 2003 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3330) Lasers and laser optics : Laser damage
(140.3410) Lasers and laser optics : Laser resonators

Citation
Takehiro Fukushima, Takahisa Harayama, Peter Davis, Pablo O. Vaccaro, Takehiro Nishimura, and Tahito Aida, "Quasi-stadium laser diodes with an unstable resonator condition," Opt. Lett. 28, 408-410 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-6-408

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