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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 19 — Oct. 1, 2008
  • pp: 2170–2172

Directional emission In P Ga In As P square-resonator microlasers

Yong-Zhen Huang, Kai-Jun Che, Yue-De Yang, Shi-Jiang Wang, Yun Du, and Zhong-Chao Fan  »View Author Affiliations


Optics Letters, Vol. 33, Issue 19, pp. 2170-2172 (2008)
http://dx.doi.org/10.1364/OL.33.002170


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Abstract

In P Ga In As P square-resonator microlasers with an output waveguide connected to the midpoint of one side of the square are fabricated by standard photolithography and inductively-coupled-plasma etching technique. For a 20 - μ m -side square microlaser with a 2 - μ m -wide output waveguide, cw threshold current is 11 mA at room temperature, and the highest mode Q factor is 1.0 × 10 4 measured from the mode linewidth at the injection current of 10 mA . Multimode oscillation is observed with the lasing mode wavelength 1546 nm and the side-mode suppression ratio of 20 dB at the injection current of 15 mA .

© 2008 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3570) Lasers and laser optics : Lasers, single-mode
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators
(140.3948) Lasers and laser optics : Microcavity devices
(250.5960) Optoelectronics : Semiconductor lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 6, 2008
Revised Manuscript: July 29, 2008
Manuscript Accepted: August 5, 2008
Published: September 18, 2008

Citation
Yong-Zhen Huang, Kai-Jun Che, Yue-De Yang, Shi-Jiang Wang, Yun Du, and Zhong-Chao Fan, "Directional emission InP/GaInAsP square-resonator microlasers," Opt. Lett. 33, 2170-2172 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-19-2170

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