Title :
An 8 Gb/s QPSK optical homodyne detection experiment using external-cavity laser diodes
Author :
Norimatsu, Seiji ; Iwashita, Katsushi ; Noguchi, Kazuto
Author_Institution :
NTT Transmission Syst. Lab., Kanagawa, Japan
fDate :
7/1/1992 12:00:00 AM
Abstract :
A quadrature-phase-shift-keying optical homodyne detection experiment was conducted at a bit rate of 8 Gb/s. External-cavity laser diodes and a single-body QPSK phase modulator were used. The optical carrier was recovered by a decision-directed phase-locked loop. The first reported measurement of bit-error-rate performance is given. A receiver sensitivity of -27.8 dBm was achieved.<>
Keywords :
laser cavity resonators; optical links; phase shift keying; phase-locked loops; semiconductor junction lasers; signal detection; 8 Gbit/s; QPSK optical homodyne detection; bit-error-rate performance; decision-directed phase-locked loop; external-cavity laser diodes; optical carrier; quadrature-phase-shift-keying; receiver sensitivity; single-body QPSK phase modulator; Bit rate; Diode lasers; High speed optical techniques; Optical detectors; Optical modulation; Optical receivers; Optical sensors; Phase modulation; Quadrature phase shift keying; Silicon;
Journal_Title :
Photonics Technology Letters, IEEE
