Far-infrared bound-to-continuum quantum-cascade lasers operating up to 90 K
We report terahertz frequency (3.5 THz, λ87 μm) emission from quantum-cascade lasers
employing a bound-to-continuum transition in the active region. The maximum operating
temperature is in excess of 90 K. Peak powers of 20 mW at 20 K and 10 mW at 77 K are
achieved. The same devices show continuous-wave operation up to 55 K with measured
optical powers of 15 mW at 10 K.© 2003 American Institute of Physics. DOI:
10.1063/1.1571653 The operation of quantum-cascade (QC) lasers1 has very recently been …
employing a bound-to-continuum transition in the active region. The maximum operating
temperature is in excess of 90 K. Peak powers of 20 mW at 20 K and 10 mW at 77 K are
achieved. The same devices show continuous-wave operation up to 55 K with measured
optical powers of 15 mW at 10 K.© 2003 American Institute of Physics. DOI:
10.1063/1.1571653 The operation of quantum-cascade (QC) lasers1 has very recently been …
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