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Improvement of directly modulated diode-laser pulses using an optical delay interferometer

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2 Author(s)
Wong, C.S. ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, China ; Tsang, H.K.

An optical delay interferometer (ODI) is proposed to compensate the signal distortion in a directly modulated distributed feedback laser diode. Experiments with an ODI demonstrate improvement in pulse shape by suppressing pulse overshoot in directly modulated lasers. The power penalty is decreased by 1 dB. Numerical simulations for the waveform compensation agree with the experimental results.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 2 )