Title :
Low-driving-voltage band-operation LiNbO/sub 3/ modulator with lightwave reflection and double-stub structure
Author :
Kawanishi, T. ; Oikawa, S. ; Higuma, K. ; Matsuo, Y. ; Izutsu, M.
Author_Institution :
Basic & Adv. Res. Div., Commun. Res. Lab., Tokyo, Japan
Abstract :
A reflection-type Mach-Zehnder LiNbO 3 optical modulator with a double-stub structure that can modulate both forward and backward lightwave to achieve low-driving-voltage optical modulation for band-operation is developed. Using optical reflection the modulation efficiency is doubled. The halfwave-voltage of the fabricated modulator was 2.9 V at 7 GHz.
Keywords :
Mach-Zehnder interferometers; electro-optical modulation; light reflection; lithium compounds; optical communication equipment; optical waveguides; 2.9 V; 7 GHz; LiNbO/sub 3/; LiNbO/sub 3/ optical modulator; Mach-Zehnder optical modulator; band-operation; double-stub structure; lightwave reflection; low-driving-voltage optical modulation; modulation efficiency enhancement; reflection-type optical modulator;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020802
