Room temperature, continuous-wave coupled-cavity InAsP/InP photonic crystal laser with enhanced far-field emission directionality

Creators: Huang, Jingqing; Kim, Se-Heon; Gardner, Jonathan; Regreny, Philippe; Seassal, Christian; Postigo, Pablo Aitor; Scherer, Axel

Abstract

We demonstrate room temperature, continuous-wave lasing with enhanced far field emission directionality in coupled-cavity photonic crystal lasers, made with InAsP/InP quantum well material. These surface-emitting lasers can have a very low effective threshold power of 14.6 µW, with a linewidth of 60 pm, and 40% of the surface emitted power concentrated within a small divergence angle of ±30°.

Additional Information

© 2011 American Institute of Physics. Received 30 June 2011; accepted 12 August 2011; published online 1 September 2011. The authors would like to acknowledge support from the Defense Advanced Research Projects Agency under the Nanoscale Architecture for Coherent Hyperoptical Sources programme under Grant No. #W911NF-07-1-0277 and from the National Science Foundation through NSF CIAN ERC under Grant No. #EEC-0812072. J. G. would like to acknowledge support from NSF Research Experience for Teachers (RET) program through NSF CIAN ERC. P. A. P. would like to acknowledge financial support from Spanish MICINN and CAM through grants NANINPHO-QD (TEC2008-06756-C03-01/03), CAM2010 Q&C Light (S2009ESP-1503) and Consolider-Ingenio 2010 QOIT (CSD2006-0019).

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Published - Huang2011p15842Appl_Phys_Lett.pdf

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