Theory of photogalvanic effect in asymmetric nanostructure arrays

Free electron motion in a lattice (random and regular) of asymmetric antidots under the action of ac electric field is studied. Both analytical consideration (in the framework of Boltzmann equation) and computer simulations were used. Models of antidots include oriented semidisks and cuts with different reflectivity of sides. The stationary photocurrent is found for different polarizations of electric field.