Millimeter wave radiation-induced magnetoresistance oscillations in the high quality GaAs/AlGaAs 2D electron system under bichromatic excitation

B.G., R.L.S., and magnetotransport studies at Georgia State University have been funded by U.S. Department of Energy, Office of Basic Energy Sciences, Material Sciences and Engineering division under the Grant No. DE-SC0001762. H.C.L., microwave/millimeter/terahertz study, and 2D material study have been funded by Army Research Office under W911NF-14-2-0076 and W911NF-15-1-0433. J.I. is supported by the MINECO (Spain) under Grant No. MAT2014-58241-P and ITN Grant No. 234970 (EU).