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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 26 — Dec. 12, 2011
  • pp: B140–B145

Single mode lasers based on slots suitable for photonic integration

Qiaoyin Lu, Weihua Guo, Marta Nawrocka, Azat Abdullaev, Chris Daunt, James O’Callaghan, Michael Lynch, Vincent Weldon, Frank Peters, and John F. Donegan  »View Author Affiliations


Optics Express, Vol. 19, Issue 26, pp. B140-B145 (2011)
http://dx.doi.org/10.1364/OE.19.00B140


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Abstract

The re-growth free single mode lasers based on etched slots suitable for photonic integration are presented in this paper. The fabricated 650μm long laser exhibits a threshold current and a slope efficiency of about 32mA and 0.12mW/mA, respectively. The stable single mode operation has been observed with a side mode suppression ratio (SMSR) over 50dB at a current injection of 100mA for the fabricated laser. Such a laser integrated with electroabsorption (EA) modulator is also demonstrated. The integrated device has an extinction ratio over 10 dB at 2.2V driving voltage with the lasing wavelength of around 20nm positive detuning relative to the gain peak. The bandwidth measured is about 3GHz for the integrated device.

© 2011 OSA

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.3140) Optoelectronics : Integrated optoelectronic circuits
(250.5960) Optoelectronics : Semiconductor lasers
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Waveguide and Opto-Electronic Devices

History
Original Manuscript: October 3, 2011
Manuscript Accepted: October 12, 2011
Published: November 17, 2011

Virtual Issues
European Conference on Optical Communication 2011 (2011) Optics Express

Citation
Qiaoyin Lu, Weihua Guo, Marta Nawrocka, Azat Abdullaev, Chris Daunt, James O’Callaghan, Michael Lynch, Vincent Weldon, Frank Peters, and John F. Donegan, "Single mode lasers based on slots suitable for photonic integration," Opt. Express 19, B140-B145 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-26-B140


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