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

Journal Article · Wed Jul 20 00:00:00 EDT 2016 · OSA Technical Digest (Online)

DOI: https://doi.org/10.1364/up.2016.uw4a.23 · OSTI ID:1340516

Park, Samuel ^[1]; Baranov, Dmitry ^[1]; Ryu, Jisu ^[1]; Jonas, David ^[1]

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1. Univ. of Colorado, Boulder, CO (United States)

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.

• Research Organization: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA)
• Grant/Contract Number: AC04-94AL85000
• OSTI ID: 1340516
• Report Number(s): SAND--2016-9288J; 647551
• Journal Information: OSA Technical Digest (Online), Journal Name: OSA Technical Digest (Online) Vol. 2016; ISSN 9999-0005
• Publisher: Optical Society of AmericaCopyright Statement
• Country of Publication: United States
• Language: English