Ultrafast laser-induced electron emission from multiphoton to optical tunneling

Based on a time-dependent quantum model, a relation between the onset of the optical tunneling regime and the metal work function is determined. In the multiphoton regime, the number of photons required for absorption is reduced from n=3 (at pulse length τ>20 fs) to n=2 (at τ<8 fs) due to the...

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Bibliographic Details
Main Authors: Pant, M., Ang, Ricky Lay Kee
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2013
Subjects:
Online Access:https://hdl.handle.net/10356/95464
http://hdl.handle.net/10220/9126
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Institution: Nanyang Technological University
Language: English