Real-time visualization of electron transport in quantum devices

Kai Shum; Jawad Qureshi

doi:10.1117/12.349300

24 May 1999 Real-time visualization of electron transport in quantum devices

Kai Shum, Jawad Qureshi

Proceedings Volume 3624, Ultrafast Phenomena in Semiconductors III; (1999) https://doi.org/10.1117/12.349300
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

An exciting interactive program is written in Visual C⁺⁺ to visualized ultrafast electron transport dynamics in user defined quantum structures by solving time- dependent Schrodinger equations. The program accepts certain inputs about the quantum structure, the initial electron wave function, the information on electron-phonon or electron-photon interaction, and applied bias, and immediately displays results in animations at they are being calculated. This program provides powerful tool for those studying semiconductor devices at advanced undergraduate or graduate level. It will be also of interest and value to researchers in physics, materials science, and electrical engineering. In this paper, we will show how femtosecond electron transport dynamics can be visualized. Two examples are presented on the electron capture and decapture dynamics due to electron-phonon interactions as well as the ultrafast optoelectronic switching dynamics due to electron-photon interactions in a single semiconductor quantum structure.

Citation Download Citation

Kai Shum and Jawad Qureshi "Real-time visualization of electron transport in quantum devices", Proc. SPIE 3624, Ultrafast Phenomena in Semiconductors III, (24 May 1999); https://doi.org/10.1117/12.349300

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