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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2770–2772

High-brightness diode laser arrays integrated with a phase shifter designed for single-lobe far-field pattern

Lei Liu, Jianxin Zhang, Shaodong Ma, Aiyi Qi, Hongwei Qu, Yejin Zhang, and Wanhua Zheng  »View Author Affiliations


Optics Letters, Vol. 38, Issue 15, pp. 2770-2772 (2013)
http://dx.doi.org/10.1364/OL.38.002770


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Abstract

High-brightness, edge-emitting diode laser arrays integrated with a phase shifter have been designed and fabricated at a wavelength of about 910 nm. Stable out-of-phase mode is generated through coupling evanescently and converted to be nearly in-phase by the phase modulation from the phase shifter. With a very simple manufacture process, stable single-lobe far-field pattern is achieved in the slow axis when the continuous wave output power exceeds 460mW/facet, and the divergence angle is only 2.7 times the diffraction-limited value. Such device shows a promising future for high-brightness application with low cost and easy fabrication.

© 2013 Optical Society of America

OCIS Codes
(140.2010) Lasers and laser optics : Diode laser arrays
(140.3325) Lasers and laser optics : Laser coupling

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 9, 2013
Revised Manuscript: June 29, 2013
Manuscript Accepted: July 1, 2013
Published: July 26, 2013

Citation
Lei Liu, Jianxin Zhang, Shaodong Ma, Aiyi Qi, Hongwei Qu, Yejin Zhang, and Wanhua Zheng, "High-brightness diode laser arrays integrated with a phase shifter designed for single-lobe far-field pattern," Opt. Lett. 38, 2770-2772 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-15-2770

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