Panasonic Corporation

Kuniharu Itakura

Masaru Fuse

Tomoaki Ohira

Kouichi Masuda

Tsutomu Niiho

Fumio Fujisaki

An optical modulator comprises an electrodewhich applies to an optical waveguidesof a Mach-Zehnder type optical interference system a first electric signal based on an alternating current signal Sand a direct current bias V, an electrodewhich applies to an optical waveguideof the Mach-Zehnder type optical interference system a second electric signal based on an alternating current signal Sand a direct current bias V, and a bias setting sectionwhich sets average direct current levels of the first and second electric signals based on signal frequency information Dwhich indicates a magnitude relation between a maximum frequency of the alternating current signal Sand a maximum frequency of the alternating current signal S

Growing community of inventors

Kanagawa, Japan

Kuniharu Itakura