Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy

Fengjia Fan,Oleksandr Voznyy,Randy P. Sabatini,Kristopher Bicanic,Michael M. Adachi,James R. McBride,Kemar R. Reid,Young-Shin Park,Xiyan Li,Ankit Jain,Rafael Quintero-Bermudez,Mayuran Saravanapavanantham,Min Liu,Marek Korkusinski,Pawel Hawrylak,Victor I. Klimov,Sandra J. Rosenthal,Sjoerd Hoogland,Edward H. Sargent

Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy

2017

Fengjia Fan
Oleksandr Voznyy
Randy P. Sabatini
Kristopher Bicanic
Michael M. Adachi
James R. McBride
Kemar R. Reid
Young-Shin Park
Xiyan Li
Ankit Jain
Rafael Quintero-Bermudez
Mayuran Saravanapavanantham
Min Liu
Marek Korkusinski
Pawel Hawrylak
Victor I. Klimov
Sandra J. Rosenthal
Sjoerd Hoogland
Edward H. Sargent

By switching shell growth on and off on the (0001) facet of wurtzite CdSe cores to produce a built-in biaxial strain that lowers the optical gain threshold, we achieve continuous-wave lasing in colloidal quantum dot films.

Keywords:

Atomic physics
Facet (geometry)
Quantum dot laser
Nanotechnology
Continuous wave
Epitaxy
Quantum dot
Wurtzite crystal structure
Colloid
Chemistry
Lasing threshold
Population inversion
Electronic structure
Photoluminescence
Population
Physics
Optoelectronics
Laser linewidth

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