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 />
Fundamental condition for laser action<br />
In general, the laser system needs mode suppression from the<br />
gratings and a large nonlinear susceptibility. This condition leads to<br />
the condition that the angle must be chosen according to:<br />
E0<br />
1+<br />
⎛ nλ<br />
⎞ 1 Is<br />
2arcsin<br />
⎜<br />
θ<br />
2L ⎟ < <<br />
⎝ ⎠ k Dτ<br />
s<br />
2<br />
Paul Michael Petersen, <strong>Laser</strong> Diodes <strong>with</strong> External Feedback (tutorial)
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