Bloch-surface-wave-induced Fano resonance in magnetophotonic crystals

Abstract

We have observed the Fano-type Faraday rotation spectrum in a one-dimensional magnetophotonic crystal at the Bloch surface wave (BSW) resonance and found that it is a result of the coupling between the s-polarized BSW and the p-polarized waveguiding modes of the magnetophotonic crystal. The shape of the resonance is determined by the relative position and spectral splitting of the modes.

Optical Effects Induced by Bloch Surface Waves in One-Dimensional Photonic Crystals

“…An appropriate resonant optical state for this purpose is the Bloch surface wave in magneto-photonic crystals (MPCs). The possibility of using BSWs at the MPC to control the parameters of the light polarization was studied in [52,53]. The paper [52] is devoted to a numerical study of the Faraday rotation at the spectral position of the BSW resonance and to the research of the BSW magneto-optical switching in MPCs.…”

“…The paper [52] is devoted to a numerical study of the Faraday rotation at the spectral position of the BSW resonance and to the research of the BSW magneto-optical switching in MPCs. The concept of using the BSW in MPCs to control all parameters of light polarization through the external magnetic field application was proposed and experimentally demonstrated in the paper [53].…”

“…Besides the Faraday rotation, Ref. [53] also considers other transformations of light polarization, such as transition of the linear polarization to the elliptical one. To describe these polarization changes, the spectral dependencies of Stokes parameters were numerically studied.…”

Bloch Surface Wave Photonic Device Fabricated by Femtosecond Laser Polymerisation Technique

“…BSW-based gas, protein, antibody, glucose, and protease detectors as well as BSW-induced enhanced Raman scattering have been successfully demonstrated [6][7][8][9][10][11][12][13]. Different effects in the presence of BSWs have been experimentally observed including the enhancement of fluorescence [14] and magneto-optical effects [15], giant Goos-Hänchen effect [16], and BSW-induced radiation forces [17,18].…”

Dispersion Properties of TM and TE Modes of Gyrotropic Magnetophotonic Crystals

“…Magneto-optical system with large Faraday or Kerr rotation can be used for effective optical isolators [14,15], spatial light-phase modulators [16] and magnetic field and current sensor [17] development. Furthermore, one can obtain stronger enhancement of the magneto-optical phenomena due to resonant effects in the MPCs [18], which characterized by specific polarization properties. Using PCs with magneto-optical layers provides possibility of control of optical bistability threshold in structure based on graphene layer [19].…”