Coherent tunable THz-wave generation from LiNbO3 with monolithic grating coupler

29 April 1996

journal article
Published by AIP Publishing in Applied Physics Letters

Vol. 68 (18) , 2483-2485
https://doi.org/10.1063/1.115828

Abstract

Coherent THz‐wave generation is demonstrated utilizing a grating coupler fabricated on the surface of a LiNbO₃ crystal pumped by a Q‐switched Nd:YAG laser. Wide tunability, sharp directivity, and high efficiency were achieved.

Keywords

LITHIUM NIOBATES
COHERENT RADIATION
MICROWAVE SPECTRA
MICROWAVE RADIATION
TUNING
OPTICAL COUPLERS
DIFFRACTION GRATINGS