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Operation of terahertz quantum-cascade lasers at 164 K in pulsed mode and at 117 K in continuous-wave mode.

Journal Article · · Proposed for publication in Optics Express.
OSTI ID:989372

We report the demonstration of a terahertz quantum-cascade laser that operates up to 164 K in pulsed mode and 117 K in continuous-wave mode at approximately 3.0 THz. The active region was based on a resonant-phonon depopulation scheme and a metal-metal waveguide was used for modal confinement. Copper to copper thermocompression wafer bonding was used to fabricate the waveguide, which displayed improved thermal properties compared to a previous indium-gold bonding method.

Research Organization:
Sandia National Laboratories
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
OSTI ID:
989372
Report Number(s):
SAND2005-2210J
Journal Information:
Proposed for publication in Optics Express., Journal Name: Proposed for publication in Optics Express. Journal Issue: 9 Vol. 13
Country of Publication:
United States
Language:
English

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