Explanation of ultra narrow-band reflection from a 1d grating based on a modal method and symmetry considerations

Thomas Kampfe (1) , A.V. Tishchenko (1) , Olivier Parriaux (1)

1 LHC - Laboratoire Hubert Curien

A 1D, high index contrast subwavelength binary corrugation can exhibit arbitrarily narrow reflection resonances. The necessary parameters are given analytically using the interference of the two involved grating modes and symmetry considerations of their reflection and transmission coefficients.

Domaines: Optique [physics.optics]

Thomas Kampfe, A.V. Tishchenko, Olivier Parriaux. Explanation of ultra narrow-band reflection from a 1d grating based on a modal method and symmetry considerations. The XXII International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling, Jun 2014, Nice, France. ⟨hal-01023879⟩