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Issue 12, 2025
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Superconducting terahertz generators

† , ‡ , § , * , # , ° , & ,  
Kotelnikov Institute of Radioengineering and Electronics of the Russian Academy of Sciences, ul. Mokhovaya 11, kor. 7, Moscow, 125009, Russian Federation

Applied devices based on superconducting electronics, due to their quantum nature, unique set of parameters, and cryogenic operating temperatures, are significantly superior to systems based on other physical principles. The operating frequency of ultra-sensitive terahertz-range (THz) receivers has reached 1 THz, and their noise temperature is only restricted by the quantum limit. One of the most promising areas is the development of superconducting THz generators for integrated receiver systems. Such an application of the AC Josephson effect seems quite natural; however, many developments and studies conducted in dozens of major laboratories worldwide failed for a long time to create a generator with the required parameters.

Fulltext pdf (2.3 MB)
Fulltext is also available at DOI: 10.3367/UFNe.2024.12.039864
Keywords: THz-range Josephson oscillators; high-quality niobium-based tunnel junctions; integrated local oscillators; emission linewidth; frequency and phase stabilization mode
PACS: 07.57.−c, 74.81.Fa, 85.25.Cp (all)
DOI: 10.3367/UFNe.2024.12.039864
URL: https://ufn.ru/en/articles/2025/6/d/
001570951300003
2-s2.0-105011868622
2025PhyU...68..584K
Citation: Khan F V, Filippenko L V, Ermakov A B, Paramonov M E, Fominsky M Yu, Kinev N V, Koshelets V P, Nikitov S A "Superconducting terahertz generators" Phys. Usp. 68 584–596 (2025)
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Received: 9th, December 2024, 9th, December 2024

Оригинал: Хан Ф В, Филиппенко Л В, Ермаков А Б, Парамонов М Е, Фоминский М Ю, Кинев Н В, Кошелец В П, Никитов С А «Сверхпроводниковые генераторы терагерцового диапазона» УФН 195 621–634 (2025); DOI: 10.3367/UFNr.2024.12.039864

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