A 40-Gbit/s electro-absorption modulator with a record modulation efficiency (50 GHz/V) enhanced by a novel technique of hybrid integration on the driver IC

Author

Arimoto, Hideo ; Watanabe, K. ; Kikuchi, Nobuhiko ; Takano, Hideaki ; Shirai, Masataka ; Hashimoto, Masashi ; Kudo, Hiromi ; Kitatani, Takeshi ; Ohta, Hiroshi ; Mita, Reiko ; Takeyari, Ryoji

Author_Institution

Central Res. Lab., Hitachi Ltd., Japan

Volume

2

fYear

2003

fDate

27-28 Oct. 2003

Firstpage

646

Abstract

We fabricate a compact integrated transmitter, in which an EA modulator is directly mounted on a driver-IC with a chip size of 1.9-mm×2.4-mm and demonstrate 40-Gbit/s operation of this modulator at a low driving voltage (V_p-p=0.7 V). The modulation efficiency, defined by f_{3 dB}/V_p-p´ is a high 50 GHz/V. We further reduced the transmitter´s size by monolithically integrating the EA modulator with a distributed feedback (DFB) laser; tests demonstrated the success of this approach, where we have integrated an optical source, EA modulator, and modulator driver on a single chip.

Keywords

distributed feedback lasers; electro-optical modulation; integrated optics; light sources; monolithic integrated circuits; optical fabrication; optical transmitters; 1.9 mm; 2.4 mm; 40 Gbit/s; DFB laser; EA modulator; distributed feedback laser; driver IC; electro-absorption modulator; integrated transmitter fabrication; modulation efficiency; monolithic integration; optical source; Distributed feedback devices; Hybrid integrated circuits; Integrated circuit testing; Integrated optics; Laser feedback; Low voltage; Monolithic integrated circuits; Optical modulation; Optical transmitters; Photonic integrated circuits;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics Society, 2003. LEOS 2003. The 16th Annual Meeting of the IEEE

ISSN

1092-8081

Print_ISBN

0-7803-7888-1

Type

conf

DOI

10.1109/LEOS.2003.1252966

Filename

1252966