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Novel burst mode laser driver with just-at-threshold bias

Śliwczyński Ł., Krehlik P.

Opto-Electronics Review

2004

Vol. 12, No. 3

333-337

In the paper, the novel idea of burst mode laser driver with high extinction ratio is presented. The concept is based on controlling the bias current very close to the laser threshold, what is obtained by stabilising the laser power between the data bursts in the range of a few µW. The at-threshold bias eliminates the laser turn on delay, making the driver suitable to transmit the bursts of data without any prebiasing procedure. The experimental driver design is described and measurement results are reported.