Title :
Two dimensional coherent spectroscopy of CdSe/ZnS colloidal quantum dots at cryogenic temperatures
Author :
Sun, B. ; Almeida, D.B. ; Singh, R. ; Diederich, G.M. ; Siemens, M.E. ; Padilha, L.A. ; Bae, W.K. ; Pietryga, J.M. ; Klimov, V.I. ; Cundiff, S.T.
Author_Institution :
Nat. Inst. of Stand. & Technol., Univ. of Colorado, Boulder, CO, USA
Abstract :
We demonstrate 2D coherent spectroscopy of CdSe/ZnS nanocrystals and measure the exciton homogeneous linewidth as a function of temperature from 10K to 300K. The spectra reveal contributions to the linewidth from discrete acoustic phonon modes.
Keywords :
II-VI semiconductors; cadmium compounds; colloidal crystals; excitons; semiconductor quantum dots; spectral line breadth; zinc compounds; CdSe-ZnS; CdSe-ZnS colloidal quantum dots; CdSe-ZnS nanocrystals; cryogenic temperatures; discrete acoustic phonon modes; exciton homogeneous linewidth; temperature 10 K to 300 K; two-dimensional coherent spectroscopy; Cadmium compounds; Excitons; II-VI semiconductor materials; Phonons; Quantum dots; Temperature measurement; Zinc compounds;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
