Driver circuit for the direct modulation of a laser diode

Details Driver circuit for the direct modulation of a laser diode Driver circuit for the direct modulation of a laser diode

H - Electricity

01

S

H01S 5/042 (2006.01)

Patent

CA 2704277

A driver circuit for a laser diode is provided. The driver circuit provides drive signals to the electrodes of the laser diode based on a pulsed input signal. An input receives the pulsed input signal and launches it into an amplification stage which preferably includes dual amplifiers, a buffering stage and a biasing stage. The output of the laser diode is an optical signal that reproduces the pulsed input signal with high fidelity and low amplitude noise. In one embodiment, the input separates the pulsed input signal into two signal components, launched in respective inverting and non-inverting branches which each include successive amplification, buffering and biasing stages.

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