Title :
Top surface-emitting vertical-cavity laser diodes for 10-Gb/s data transmission
Author :
Fiedler, U. ; Reiner, G. ; Schnitzer, P. ; Ebeling, K.J.
Author_Institution :
Abteilung Optoelektronik, Ulm Univ., Germany
fDate :
6/1/1996 12:00:00 AM
Abstract :
Intensity modulated proton-implanted top surface-emitting vertical-cavity InGaAs QW lasers (VCSELs) with a small-signal modulation bandwidth of 12 GHz butt-coupled to multimode fibers are investigated as light source for optical interconnection. At 10-Gb/s pseudorandom data rates the bit-error rate (BER) remains under 10/sup -11/ after transmission over 500 m of graded index multimode fiber. Optimum transmission behavior is achieved for linearly polarized nearly single-mode laser operation with a side-mode suppression of better than 25 dB under modulation. Spectral characterization indicates that linearly polarized single-mode light output is essential for good BER performance.
Keywords :
III-V semiconductors; data communication; gallium arsenide; indium compounds; laser cavity resonators; laser modes; light polarisation; optical communication equipment; optical modulation; quantum well lasers; surface emitting lasers; 10 Gbit/s; 12 GHz; 500 m; Gb/s data transmission; Gb/s pseudorandom data rates; InGaAs; bit-error rate; butt-coupled; good BER performance; graded index multimode fiber; intensity modulated; light source; linearly polarized; linearly polarized single-mode light output; multimode fibers; optical interconnection; optimum transmission behavior; proton-implanted; side-mode suppression; single-mode laser operation; small-signal modulation bandwidth; top surface-emitting vertical-cavity InGaAs QW lasers; top surface-emitting vertical-cavity laser diodes; Bit error rate; Data communication; Diode lasers; Fiber lasers; Indium gallium arsenide; Intensity modulation; Optical fiber polarization; Optical modulation; Surface emitting lasers; Vertical cavity surface emitting lasers;
Journal_Title :
Photonics Technology Letters, IEEE
