Unipolar quantum cascade lasers (QCLs) utilizing intersubband transitions to generate photons have become important sources of light in the mid-infrared region (5 /spl mu/m - 10 /spl mu/m). The primary application of coherent sources at these wavelengths is spectroscopy. For such applications it is important to quantify the photon noise in QCLs. In this paper a comprehensive model for the photon number fluctuations in QCLs is reported for the first time.
Current noise, photon number fluctuations and squeezing in quantum cascade lasers
01.01.1999
194292 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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