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Optical gain and green/red vertical cavity surface emitting lasing from cdse-based colloidal nanocrystal quantum dot thin films

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5 Author(s)
Cuong Dang ; Sch. of Eng., Brown Univ., Providence, RI, USA ; Nurmikko, A. ; Breen, C. ; Steckel, J.S.
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We demonstrate robust excitonic gain from colloidal close-packed, CdSe-based nanocrystal quantum dot thin films at record low threshold excitation energy of 90 μJ/cm2 for amplified spontaneous emission. The optical gain is employed in pulsed optically pumped quantum dot vertical cavity surface emitting lasers in the green and the red, respectively.

Published in:

Lasers and Electro-Optics (CLEO), 2011 Conference on

Date of Conference:

1-6 May 2011

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