Forschungsverbund Berlin E.v.

Joachim Piprek

Hans Wenzel

Markus Weyers

Götz Erbert

Andrea Knigge

Günther Tränkle

A the vertical-cavity surface-emitting laser includes a stripe-shaped active medium () having an emission maximum at a first wavelength (&#x3bb;), wherein a first reflector () is arranged below the stripe-shaped active medium () and a second reflector () is arranged above the stripe-shaped active medium (), with the first reflector () facing the second reflector (), wherein the first reflector () and a second reflector () have a reflectivity maximum in the region of the first wavelength (&#x3bb;), wherein a third reflector () and a fourth reflector () are each arranged on a side above or next to the stripe-shaped active medium (), wherein the third reflector () faces the fourth reflector (), and wherein the third reflector () and the fourth reflector () have a reflectivity maximum in the region of a second wavelength (&#x3bb;), wherein the first wavelength (&#x3bb;) is greater than the second wavelength (&#x3bb;).

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Newark, DE, United States of America

Joachim Piprek