A method of generating coherent radiation, wherein a first fundamental beam of radiation from a four level laser and a second fundamental beam of radiation from a three level laser are mixed in a non-linear body to obtain an output beam at the sum frequency of the two fundamental beams. The invention also relates to an arrangement for carrying out the method.

 
Web www.patentalert.com

< Laser driver/method for generating a laser drive signal

> Semiconductor laser element having tensile-strained quantum-well active layer

~ 00428