Title :
Design of high efficiency LiNbO3 broadband phase modulator using an electrode buried in buffer layer
Author :
Miyamoto, Hideaki ; Ohta, Hitoyoshi ; Miyagawa, Y.
Author_Institution :
Optical Meas. Technol. Dev. Co. Ltd., Tokyo, Japan
Abstract :
A new type of LiNbO3 modulator to reduce the driving voltage and expand the bandwidth under the condition Z0=50 Omega is proposed and designed. This modulator is constituted using a buried electrode in the buffer layer to match the microwave electric field with the light field.
Keywords :
electro-optical devices; integrated optics; lithium compounds; optical modulation; phase modulation; 50 ohm; LiNbO 3 modulator; bandwidth; broadband phase modulator; buffer layer; buried electrode; driving voltage; light field; microwave electric field;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920200
