Laser diodes with phase conjugate feedback
Laser diodes with phase conjugate feedback
Laser diodes with phase conjugate feedback
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Risø National Laboratory<br />
Generation of <strong>phase</strong> <strong>conjugate</strong> waves<br />
A 4<br />
A 1<br />
Nonlinear<br />
medium χ (3)<br />
A 2<br />
A 3<br />
The classic configuration for four-wave mixing<br />
The interaction between the three waves A 1 , A 2 and A 3 inside<br />
the nonlinear medium leads to the generation of a <strong>phase</strong> <strong>conjugate</strong><br />
beam A 3 propagating exactly counteropposed to A 4<br />
Paul Michael Petersen, <strong>Laser</strong> Diodes <strong>with</strong> External Feedback (tutorial)
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