Title :
High Modulation Efficiency Gigabit/s Modulation of Twin-Contact High-Brightness Tapered DBR Laser
Author :
Kwok, C.H. ; Penty, R.V. ; White, I.H. ; Hasler, K.-H. ; Sumpf, B. ; Erbert, G.
Author_Institution :
Dept. of Eng., Univ. of Cambridge, Cambridge
fDate :
3/1/2009 12:00:00 AM
Abstract :
We report a compact single-chip optical transmitter with 0.4-W output optical modulation amplitude at 1 Gb/s using a twin-contact directly modulated laser with an applied ?100-mA current swing. Bit-error-ratio measurements confirm high signal quality for optical wireless communications.
Keywords :
distributed Bragg reflector lasers; error statistics; laser beams; optical modulation; optical transmitters; semiconductor lasers; bit rate 1 Gbit/s; bit-error-ratio measurement; distributed Bragg reflector laser; modulation efficiency; optical wireless communication; power 0.4 W; semiconductor laser; signal quality; single-chip optical transmitter; twin-contact directly modulated laser; twin-contact high-brightness tapered DBR laser; Optical modulation; semiconductor lasers;
Journal_Title :
Photonics Technology Letters, IEEE
Conference_Location :
12/9/2008 12:00:00 AM
DOI :
10.1109/LPT.2008.2009948
