Applies To These Products

WLD3393
WLD33ND-2AEV
WLD3343
WLD33ND

Question

I’d like to use the WLD Driver and Evaluation Board to modulate a laser in constant power mode. Do I need any additional or external circuitry?

Answer

If you use those two components together to drive a laser in constant power mode, the only additional equipment you will need to modulate the laser is a source for the modulation signal (ie. function generator).

The maximum modulation bandwidth in constant power mode is about 1 MHz, but it will also be determined by the bandwidth of the photodiode in the laser.

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