Title :
NRZ operation at 40 Gb/s of a compact module containing an MQW electroabsorption modulator integrated with a DFB laser
Author :
Takeuchi, Hiroaki ; Tsuzuki, Ken ; Sato, Kenji ; Yamamoto, Mitsuo ; Itaya, Yoshio ; Sano, Akihide ; Yoneyama, Mikio ; Otsuji, Taiichi
Author_Institution :
NTT Opto-Electron. Labs., Kanagawa, Japan
fDate :
5/1/1997 12:00:00 AM
Abstract :
NRZ operation at 40 Gb/s has been successfully performed using a very compact module of a multiple-quantum-well (MQW) electroabsorption modulator integrated with a distributed-feedback (DFB) laser. While the DFB laser is injected with a constant current, the integrated MQW electroabsorption modulator is driven with a 10-Gb/s electrical NRZ signal. A clearly opened eye diagram has been observed in the modulated light from the modulator. And a receiver sensitivity of -27.2 dBm at 10/sup -9/ has been experimentally confirmed in the bit-error-rate (BER) performance.
Keywords :
III-V semiconductors; distributed feedback lasers; electro-optical modulation; electroabsorption; gallium arsenide; high-speed optical techniques; indium compounds; integrated optics; modules; optical receivers; optical transmitters; quantum well lasers; 40 Gbit/s; DFB laser; InGaAsP; InGaAsP MQWs; MQW electroabsorption modulator integration; NRZ operation; back-to-back transmission experiments; bit-error-rate performance; clearly opened eye diagram; compact module; constant current injection; fiber pigtailed module; high-speed modulator; receiver sensitivity; Absorption; Laboratories; Optical modulation; Optical receivers; Optical signal processing; Optical transmitters; Paper technology; Quantum well devices; Semiconductor lasers; Waveguide lasers;
Journal_Title :
Photonics Technology Letters, IEEE
