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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 16 — Aug. 15, 2013
  • pp: 3050–3053

Widely tunable dual-mode distributed feedback laser fabricated by selective area growth technology integrated with Ti heaters

Can Zhang, Song Liang, Hongliang Zhu, and Wei Wang  »View Author Affiliations


Optics Letters, Vol. 38, Issue 16, pp. 3050-3053 (2013)
http://dx.doi.org/10.1364/OL.38.003050


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Abstract

A widely tunable dual-mode distributed feedback (DFB) laser fabricated by selective area growth (SAG) technology integrated with Ti heaters was demonstrated. In the device, an original mode spacing of 4 nm was obtained by the simple SAG technology. Ti thin-film heaters were integrated with a novel procedure, which simplifies the fabrication of such heaters greatly. A large electrical resistance of the heaters is obtained at the same time, resulting in a high wavelength tuning efficiency. An accurate mode spacing as small as 0.34 nm and as large as 8.06 nm is achieved, which corresponds to a wide beat frequency range from 42.2 GHz to 1 THz. The simple fabrication process indicates that it is promising for reducing the cost of dual-mode DFB laser in fabricating self-pulsation lasers and THz generators.

© 2013 Optical Society of America

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3590) Lasers and laser optics : Lasers, titanium
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 17, 2013
Revised Manuscript: July 10, 2013
Manuscript Accepted: July 15, 2013
Published: August 8, 2013

Citation
Can Zhang, Song Liang, Hongliang Zhu, and Wei Wang, "Widely tunable dual-mode distributed feedback laser fabricated by selective area growth technology integrated with Ti heaters," Opt. Lett. 38, 3050-3053 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-16-3050

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