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High-order frequency mixing in graphene using a two-color radiation field that consisted of the fundamental and the second harmonic fields of an ultrashort linearly polarized laser pulse is studied. It is shown that the harmonics originated from the interband transitions are efficiently generated in the case of the orthogonally polarized two-color field. In this case, the generated high-harmonics are stronger than those obtained in the parallel polarization case by more than two orders ofdoi:10.48550/arxiv.2201.10670 fatcat:fyjj3hxy7vgi3k4nva6mo72o74