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

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

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/cm 2 for amplified spontaneous emission. The optical gain is employed in pulsed optically pumped quantum dot vertical cavity surface emit...

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Hauptverfasser: Cuong Dang, Nurmikko, Arto, Breen, Craig, Steckel, Jonathan S., Coe-Sullivan, Seth
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Sprache:eng
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Cavity resonators
Green products
Nanocrystals
Optical films
Optical pumping
Stimulated emission
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creator Cuong Dang
Nurmikko, Arto
Breen, Craig
Steckel, Jonathan S.
Coe-Sullivan, Seth
description 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/cm 2 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.
doi_str_mv 10.1364/cleo_si.2011.cfl6
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subjects Cavity resonators
Green products
Nanocrystals
Optical films
Optical pumping
Stimulated emission
title Optical gain and green/red vertical cavity surface emitting lasing from cdse-based colloidal nanocrystal quantum dot thin films
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