Far-infrared (λ≃87 μm) bound-to-continuum quantum-cascade lasers operating up to 90 K
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- 6 May 2003
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 82 (19) , 3165-3167
- https://doi.org/10.1063/1.1571653
Abstract
We report terahertz frequency (3.5 THz, 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.
Keywords
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