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journal article·2019-07-01Open access

10.6 μm heterodyne receiver based on a superconducting hot-electron bolometer mixer and a quantum cascade laser

Yuan Ren, DaiXi Zhang, KangMin Zhou, Wei Miao, Wen Zhang, ShengCai Shi, Vitaly Seleznev, Ivan Pentin, Yury Vakhtomin, Konstantin Smirnov

AIP Advances· Volume 9· Issue 7
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Source abstract

Abstract

We report on the development of a heterodyne receiver at mid-infrared wavelength for high-resolution spectroscopy applications. The receiver employs a superconducting NbN hot electron bolometer as a mixer and a room temperature distributed feedback quantum cascade laser operating at 10.6 μm (28.2 THz) as a local oscillator. The stabilization of the heterodyne receiver has been achieved using a feedback loop controlling the output power of the laser. Improved Allan variance times as well as a double sideband receiver noise temperature of 5000 K and a noise bandwidth of 2.8 GHz of the receiver system are demonstrated.
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Research context

OpenAlex topics: Spectroscopy and Laser Applications · Advanced Fiber Laser Technologies · Photonic and Optical Devices

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Purple Mountain Observatory, Chinese Academy of Sciences 1 , 8th YuanHua Road, Nanjing 210034, China

Key Lab of Radio Astronomy, Chinese Academy of Sciences 2 , 8th YuanHua Road, Nanjing 210034, China

University of Science and Technology of China 3 , 96 Jinzhai Road, Hefei 230026, China

Moscow State Pedagogical University 4 , 1 Malaya Pirogovskaya St., Moscow 119991, Russian Federation

LLC “Superconducting Nanotechnology” (SCONTEL) 5 , 5/22-1 Rossolimo St., Moscow 119021, Russian Federation

National Research University Higher School of Economics 6 , 34 Tallinskaya St., Moscow 101000, Russian Federation

Funding

CAS program · National Key R&D Program of China · National Natural Science Foundation of China

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