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Title: The initial pump-probe polarization anisotropy of colloidal PbS quantum dots

Pump-probe polarization anisotropy measurements with 15 fs pulses are employed to investigate the electronic structure of PbS quantum dots. Here, the initial anisotropy at the bandgap is anomalously low (<0.1) and suggests large electronic couplings.
Authors:
 [1] ;  [1] ;  [1] ;  [1]
  1. Univ. of Colorado, Boulder, CO (United States)
Publication Date:
Report Number(s):
SAND-2016-9288J
Journal ID: ISSN 9999-0005; 647551
Grant/Contract Number:
AC04-94AL85000
Type:
Accepted Manuscript
Journal Name:
OSA Technical Digest (Online)
Additional Journal Information:
Journal Name: OSA Technical Digest (Online); Journal Volume: 2016; Conference: 20 international conference on ultrafast phenomena 2016, Santa Fe, NM (United States), 17-22 Jul 2016; Journal ID: ISSN 9999-0005
Publisher:
Optical Society of America
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ultrafast processes in condensed matter; spectroscopy, four-wave mixing
OSTI Identifier:
1340516