Monte Carlo studies of the intrinsic time-domain response of nanoscale three-branch junctions
Journal article, 2012

We present a Monte Carlo time-domain study of nanostructured ballistic three-branch junctions (TBJs) excited by both step-function and Gaussian picosecond transients. Our TBJs were based on InGaAs 2-dimensional electron gas heterostructures and their geometry followed exactly the earlier experimental studies. Time-resolved, picosecond transients of both the central branch potential and the between-the-arms current demonstrate that the bandwidth of the intrinsic TBJ response reaches the THz frequency range, being mainly limited by the large-signal, intervalley scattering, when the carrier transport regime changes from ballistic to diffusive.


3-terminal ballistic junctions


nonlinear operation


I. Iniguez-de-la-Torre

University of Salamanca

Helena Rodilla

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

J. Mateos

University of Salamanca

T. Gonzalez

University of Salamanca

H. Irie

University of Rochester

Nippon Telegraph and Telephone Corporation

R. Sobolewski

University of Salamanca

Journal of Applied Physics

0021-8979 (ISSN) 1089-7550 (eISSN)

Vol. 111 8 084511

Semiconductor Nanodevices for Room temperature THz Emission and Detection (ROOTHz)

European Commission (FP7), 2010-01-01 -- 2013-01-31.

Areas of Advance

Information and Communication Technology

Subject Categories

Physical Sciences



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9/3/2018 1