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- Cha, Eunjung,1985Chalmers tekniska högskola,Chalmers University of Technology (author)
A 300-mu W Cryogenic HEMT LNA for Quantum Computing
- Article/chapterEnglish2020
Publisher, publication year, extent ...
- 2020
Numbers
- LIBRIS-ID:oai:research.chalmers.se:c963030c-3d29-473b-ba59-593940eb060e
- https://research.chalmers.se/publication/523599URI
- https://doi.org/10.1109/IMS30576.2020.9223865DOI
- https://research.chalmers.se/publication/520184URI
- https://research.chalmers.se/publication/521296URI
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- Language:English
- Summary in:English
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Notes
- This paper reports on ultra-low power 4-8 GHz (C-band) InP high-electron mobility transistor (HEMT) cryogenic low-noise amplifiers (LNAs) aimed for qubit amplification in quantum computing. We have investigated dc power dissipation in hybrid three-stage cryogenic LNAs using 100-nm gate length InP HEMTs with different indium content in the channel (65% and 80%). The noise performance at 300 K was found to be comparable for both channel structures. At 5 K, an LNA with 65% indium channel exhibited significantly lower noise temperature at any dc power dissipation compared to the LNA with 80% indium channel. The LNA with 65% indium channel achieved an average noise of 3.2 K with 23 dB gain at an ultra-low power consumption of 300 mu W. To the best of authors' knowledge, the LNA exhibited the lowest noise temperature to date for sub-milliwatt power cryogenic C-band LNAs.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Telekommunikation hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Telecommunications hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Signalbehandling hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Signal Processing hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- NATURVETENSKAP Data- och informationsvetenskap Systemvetenskap, informationssystem och informatik hsv//swe
- NATURAL SCIENCES Computer and Information Sciences Information Systems hsv//eng
- Cryogenic
- quantum computing
- noise
- high-electron-mobility transistors (HEMT5)
- C-band
- low-noise amplifiers (LNAs)
Added entries (persons, corporate bodies, meetings, titles ...)
- Wadefalk, Niklas,1973(Swepub:cth)wadefalk (author)
- Moschetti, Giuseppe,1982Qamcom Research And Technology AB(Swepub:cth)giumos (author)
- Pourkabirian, Arsalan,1983(Swepub:cth)pourkabi (author)
- Stenarson, Jörgen,1972(Swepub:cth)sjorgen (author)
- Grahn, Jan,1962Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jagr (author)
- Chalmers tekniska högskolaQamcom Research And Technology AB (creator_code:org_t)
Related titles
- In:PROCEEDINGS OF THE 2020 IEEE/MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS), s. 1299-13020149-645X2576-72169781728168159
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