Hartmut S. Leipner
Hartmut S. Leipner
Hartmut S. Leipner
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Active zone<br />
Radiation<br />
hsl 2007 – Structure of imperfect materials – Epitaxy and interface defects<br />
Scheme of a laser diode<br />
Current<br />
Mirror face<br />
p doped<br />
n doped<br />
L<br />
w<br />
d<br />
Optically<br />
rough<br />
Population inversion at the<br />
p–n junction as the lasing<br />
condition (i. e. stimulated<br />
emission larger than optical<br />
absorption)<br />
Basic structure of a laser diode<br />
Optical resonator realized with<br />
the Fabry–Perot condition<br />
mλ = 2nL<br />
(m integer number, λ wavelength,<br />
n refraction index, L resonator<br />
length)<br />
19
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