Stark control of electrons across interfaces | Zendy

Antonio J. GarzónRamírez | Zendy; Ignacio Franco | Zendy

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Stark control of electrons across interfaces

Author(s) -

Antonio J. GarzónRamírez,

Ignacio Franco

Publication year - 2018

Publication title -

physical review. b./physical review. b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.78

H-Index - 465

eISSN - 2469-9969

pISSN - 2469-9950

DOI - 10.1103/physrevb.98.121305

Subject(s) - femtosecond , electron , quantum tunnelling , physics , semiconductor , laser , heterojunction , stark effect , robustness (evolution) , quantum , atomic physics , condensed matter physics , optoelectronics , quantum mechanics , electric field , chemistry , biochemistry , gene

We introduce a laser control scenario to transiently transform an insulating heterojunction into a conducting one on a femtosecond timescale. The scenario is based on opening Landau-Zener quantum tunneling channels for electron transfer between two adjacent semiconductors via Stark shifts induced by nonresonant lasers of intermediate intensity (nonperturbative but nonionizing). Through quantum dynamics simulations we demonstrate the robustness of the approach and its utility for controlling electron dynamics at interfaces.

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