Photocurrent induced by a bicircular light drive in centrosymmetric systems

Abstract

A bicircular light (BCL) consists of left and right circularly polarized lights with different frequencies, and draws a rose-like pattern with a rotational symmetry determined by the ratio of the two frequencies. Here we show that an application of a BCL to centrosymmetric systems allows a photocurrent generation through introduction of an effective polarity to the system. We derive formulas for the BCL-induced photocurrent from a standard perturbation theory, which is then applied to a simple 1D model and 3D Dirac/Weyl semimetals. A nonperturbative effect with strong light intensity is also discussed with the Floquet technique.

arXiv comment12 pages, 6 figures

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Cited by in corpus (11)

• Photocurrent generation in solids via linearly polarized laser
• Tailoring Photocurrent in Weyl Semimetals via Intense Laser Irradiation
• Optical Control of Ultrafast Photocurrent in Graphene
• Programmable generation of counterrotating bicircular light pulses in the multi-terahertz frequency range
• Controllable photocurrent generation in Dirac systems with two frequency drives
• Two-color laser control of photocurrent and high harmonics in graphene
• Light-induced Nonlinear Spin Hall Current in Single-layer WTe${}_2$
• Multiple Floquet Chern insulator phases in the spin-charge coupled triangular-lattice ferrimagnet: Crucial role of higher-order terms in the high-frequency expansion
• Correction of broadband terahertz electro-optic sampling with GaSe crystals
• Phase transition from Weyl to self-linked semimetal using bi-circular laser
• Onsager Reciprocal Relations for Charge and Spin Transport in Periodically Driven Systems