High Modulation Efficiency Gigabit/s Modulation of Twin-Contact High-Brightness Tapered DBR Laser
C.H. Kwok1, R.V. Penty1, I.H. White1, K.-H. Hasler2, B. Sumpf2, and G. Erbert2
Published in:
IEEE Photonics Technol. Lett., vol. 21, no. 5, pp. 301-303(2009).
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.
1 Electrical Engineering Division, Department of Engineering, University of Cambridge, Cambridge, CB3 0FA, U.K.
2 Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Strasse 4, 12489 Berlin, Germany
Index Terms:
Optical modulation, semiconductor lasers.
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