laser threshold

laser threshold

[′lā·zər ¦thresh·hōld]
(electronics)
The minimum pumping energy required to initiate lasing action in a laser.
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The laser threshold currents were almost constant and it is vary from 1.
The laser bars additionally offer a special, single-quantum well structure that not only reduces the laser threshold but also the semiconductor's absorption.
It is find in a multichannel system when a laser outputs nearly zero power as the input signal current to the laser drives below the laser threshold current [I.
Other significant improvements offered by the SWQ products include a lower laser threshold (up to 25% lower) and a 15% increase in operating efficiency, relative to conventional laser diodes.
Other features include: programmable amplitude and frequency modulation, low- noise read amplifier, programmable laser slope compensation DAC and programmable laser threshold current DAC.