2.3 Temperature 7
0
20
40
60
80
100
120
140
0 20 40 60 80 100 120 140 160 180 200
Power (mW)
Injecon current (mA)
Bare 150mW diode
780.243nm
Extracavity
esmate
Figure 2.1: Samplelaserdiodepower-currentcharacteristiccurves, withand
withoutanexternalcavity. Theoutputpowerofadiodewithananti-reflection
coatingistypicallylow. Thestepsinthepowercurvearecausedmyvariation
in thefrequencyof theexternal cavityrelativeto thediodeintrinsiccavity mode,
and/or to the filter transmission peak.
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