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Growth and characterization of mid-infrared microdisk lasers operating in continuous-wave mode up to 2 °C

✍ Scribed by M. Eibelhuber; T. Schwarzl; S. Pichler; W. Heiss; G. Springholz

Book ID
104022105
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
325 KB
Volume
323
Category
Article
ISSN
0022-0248

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✦ Synopsis

Growth and characterization of lead salt microdisk lasers with near-room-temperature continuous-wave (cw) emission at mid-infrared wavelengths around 4:3 mm is reported. The laser structures were grown by molecular beam epitaxy on BaF 2 substrates and consist of a PbSe single quantum well embedded in Pb 0.94 Sr 0.06 Se barrier layers. Under optical excitation, cw lasing is obtained up to temperatures of 275 K, i.e., 2 1C. With increasing pump power, the narrow laser line shifts to shorter wavelengths, from which an internal temperature of about 20 1C is estimated. We also find a good agreement between the observed laser lines and the calculated optical microdisk resonator modes.

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