InGaN Quantum-Well Laser Diode Achieves CW Operation

Researchers from Xerox's Palo Alto Research Center in California have demonstrated continuous-wave (CW) operation of InGaN quantum-well laser diodes at room temperature.

The quantum wells were grown on sapphire substrates using organic chemical vapor deposition.

To achieve CW lasing, the group used a series of conventional ridge waveguide devices with etched mirrors and highly reflective coatings.





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