Theory of the optical-rectification effect in metallic thin films with periodic modulation

Hiroyuki Kurosawa, Seigo Ohno, Kazuyuki Nakayama

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This paper theoretically investigates the optical-rectification (OR) effect in metallic structures with periodic modulation. The nonlinear surface and bulk currents responsible for the OR effect are formulated based on the Drude model with electron-gas pressure. The new formulation clarifies the generation mechanism of the OR effect and reveals that the OR effect is strongly enhanced by a combination of spatial variation of the metallic structure and asymmetry of electric-field strength. In order to consider the validity of our theory, the OR effect in the metallic structure is numerically calculated. The calculation results show fairly well agreement with the experiments.

Original languageEnglish
Article number033844
JournalPhysical Review A
Volume95
Issue number3
DOIs
Publication statusPublished - 2017 Mar 31

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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