Optical Gain and Green/Red Vertical Cavity Surface Emitting Lasing from CdSe-based Colloidal Nanocrystal Quantum Dot Thin Films

Cuong Dang; Arto Nurmikko; Craig Breen; Jonathan S. Steckel; Seth Coe-Sullivan

doi:10.1364/CLEO_SI.2011.CFL6

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CFL6
•https://doi.org/10.1364/CLEO_SI.2011.CFL6

Optical Gain and Green/Red Vertical Cavity Surface Emitting Lasing from CdSe-based Colloidal Nanocrystal Quantum Dot Thin Films

Cuong Dang, Arto Nurmikko, Craig Breen, Jonathan S. Steckel, and Seth Coe-Sullivan

CLEO: Science and Innovations 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

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Novel Semiconductor Laser Materials (CFL)

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C. Dang, A. Nurmikko, C. Breen, J. S. Steckel, and S. Coe-Sullivan, "Optical Gain and Green/Red Vertical Cavity Surface Emitting Lasing from CdSe-based Colloidal Nanocrystal Quantum Dot Thin Films," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CFL6.

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Abstract

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.

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