In this paper, we have developed a full Quantum Device Simulator by solving the Wigner equation in the mode space for a cylindrical nanowire MOSFET. A novel and efficient numerical technique to solve the Wigner equation has been developed. It's comparison with the LU decomposition method shows that significant improvement in the simulation time is obtained. Comparison of the results obtained from the Wigner equation and Quantum Drift Diffusion method suggests that later can be continued to be used after suitable adjustments to the mobility and effective masses (across the transport). Timing comparison of the Wigner equation and QDD formalism indicates that the later is more than 200 times faster than the Wigner equation. © 2013 IEEE.

Oves Badami

Department of Electrical Engineering

D. Saha

S. Ganguly

Indian Institute of Technology Hyderabad (IITH) is a premier institute of science and technology established in 2008. IITH has been consistently ranked in the&nbsp;<a href="https://iith.ac.in/reports/" rel="noopener noreferrer">top 10 institutes</a>&nbsp;in India for Engineering&nbsp;<a href="https://www.nirfindia.org/2021/EngineeringRanking.html" rel="noopener noreferrer" target="_blank">according to NIRF</a>&nbsp;making it one of the most coveted schools for science and technology in the country.

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