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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 16 — Aug. 15, 2012
  • pp: 3315–3317

Optics InfoBase > Optics Letters > Volume 37 > Issue 16 > Page 3315

Experimental demonstration of eight-wavelength distributed feedback semiconductor laser array using equivalent phase shift

Yuechun Shi, Xiangfei Chen, Yating Zhou, Simin Li, Linlin Lu, Rui Liu, and Yijun Feng  »View Author Affiliations


Optics Letters, Vol. 37, Issue 16, pp. 3315-3317 (2012)
http://dx.doi.org/10.1364/OL.37.003315


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Abstract

An eight-wavelength distributed feedback semiconductor laser array with λ/4 equivalent phase shift based on reconstruction-equivalent-chirp technique was demonstrated. It shows very good linearity in lasing wavelengths with its deviation from −0.22 to 0.20 nm. The threshold currents are between 19 and 24 mA. The side-mode suppression ratios are all larger than 40 dB under the bias currents of 70 mA. The slope efficiencies at room temperature are all about 0.4  W/A. The grating was fabricated only by common holographic exposure and an additional micrometer-level conventional photolithography, which results in a low cost.

© 2012 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(250.5960) Optoelectronics : Semiconductor lasers

ToC Category:
Optoelectronics

History
Original Manuscript: April 6, 2012
Revised Manuscript: June 20, 2012
Manuscript Accepted: June 22, 2012
Published: August 6, 2012

Citation
Yuechun Shi, Xiangfei Chen, Yating Zhou, Simin Li, Linlin Lu, Rui Liu, and Yijun Feng, "Experimental demonstration of eight-wavelength distributed feedback semiconductor laser array using equivalent phase shift," Opt. Lett. 37, 3315-3317 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3315

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