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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 9 — Apr. 28, 2008
  • pp: 6609–6618

Strong optical injection-locked semiconductor lasers demonstrating >100-GHz resonance frequencies and 80-GHz intrinsic bandwidths

Erwin K. Lau, Xiaoxue Zhao, Hyuk-Kee Sung, Devang Parekh, Connie Chang-Hasnain, and Ming C. Wu  »View Author Affiliations


Optics Express, Vol. 16, Issue 9, pp. 6609-6618 (2008)
http://dx.doi.org/10.1364/OE.16.006609


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Abstract

By using strong optical injection locking, we report resonance frequency enhancement in excess of 100 GHz in semiconductor lasers. We demonstrate this enhancement in both distributed feedback (DFB) lasers and vertical-cavity surface-emitting lasers (VCSELs), showing the broad applicability of the technique and that the coupling Q is the figure-of-merit for resonance frequency enhancement. We have also identified the key factors that cause low-frequency roll-off in injection-locked lasers. By increasing the slave laser’s DC current bias, we have achieved a record intrinsic 3-dB bandwidth of 80 GHz in VCSELs.

© 2008 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 26, 2007
Revised Manuscript: March 17, 2008
Manuscript Accepted: March 20, 2008
Published: April 24, 2008

Citation
Erwin K. Lau, Xiaoxue Zhao, Hyuk-Kee Sung, Devang Parekh, Connie Chang-Hasnain, and Ming C. Wu, "Strong optical injection-locked semiconductor lasers demonstrating > 100-GHz resonance frequencies and 80-GHz intrinsic bandwidths," Opt. Express 16, 6609-6618 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-9-6609


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References

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