Observation of an excitonic quantum coherence in CdSe nanocrystals

Observation of an excitonic quantum coherence in CdSe nanocrystals

Optical pump-probe spectroscopy with 6-fs pulses elucidates the 1Se1S3/2–1Se2S3/2 excitonic quantum coherence in CdSe nanocrystals. This coherence encodes hole migration over nanometer length scales and markedly alters the displacement amplitudes of coherent phonons.

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Bibliographic Details
Main Authors: Prezhdo, Oleg V., Loh, Zhi-Heng, Chan, Yinthai, Dong, Shuo, Trivedi, Dhara, Chakrabortty, Sabyasachi, Kobayashi, Takayoshi
Other Authors: School of Physical and Mathematical Sciences
Format: Conference or Workshop Item
Language:English
Published: 2018
Subjects:
Spectroscopy
DRNTU::Science::Physics
Ultrafast Phenomena
Online Access:https://hdl.handle.net/10356/102569
http://hdl.handle.net/10220/47258
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Institution: Nanyang Technological University
Language: English
Description
Summary:Optical pump-probe spectroscopy with 6-fs pulses elucidates the 1Se1S3/2–1Se2S3/2 excitonic quantum coherence in CdSe nanocrystals. This coherence encodes hole migration over nanometer length scales and markedly alters the displacement amplitudes of coherent phonons.

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