Journal
APPLIED PHYSICS LETTERS
Volume 115, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5110305
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Funding
- Horizon 2020 ERC Grant [CHIC 724344]
- Swedish Research Council [2017-04287]
- Deutsche Forschungsgemeinschaft [SFB 956]
- Swedish Research Council [2017-04287] Funding Source: Swedish Research Council
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We present a terahertz quantum cascade laser operating on a thermoelectric cooler up to a record-high temperature of 210.5K. The active region design is based on only two quantum wells and achieves high temperature operation thanks to a systematic optimization by means of a nonequilibrium Green's function model. Laser spectra were measured with a room temperature detector, making the whole setup cryogenic free. At low temperatures (similar to 40K), a maximum output power of 200 mW was measured. Published under license by AIP Publishing.
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