Circularly symmetric operation of a concentric-circle-grating, surface-emitting, AlGaAs/GaAs

Erdogan, T.; King, O.
April 1992
Applied Physics Letters;4/20/1992, Vol. 60 Issue 16, p1921
Academic Journal
Examines the surface-emitting semiconductor laser utilizing a concentric-circle grating (CCG) defined by electron-beam lithography. Angular divergence of the beam; Nature of polarization in the CCG surface-emitting laser; Fabrication of the gratings.


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