Compact High-Tc Superconducting Terahertz Emitter with Tunable Frequency from 0.15 to 1 THz-Reference-Cited by-同舟云学术

Compact High-Tc Superconducting Terahertz Emitter with Tunable Frequency from 0.15 to 1 THz

Published:2023-03-08 Issue:6 Volume:13 Page:3469
ISSN:2076-3417
Container-title:Applied Sciences
language:en
Short-container-title:Applied Sciences

Author:

Sun Hancong¹²,Chen Shixian²,Wang Yong-Lei¹²,Sun Guozhu¹²,Chen Jian¹²,Hatano Takeshi³,Koshelets Valery P.⁴^ORCID,Koelle Dieter⁵^ORCID,Kleiner Reinhold⁵,Wang Huabing¹²,Wu Peiheng¹²

Affiliation:

1. Purple Mountain Laboratories, Nanjing 211111, China

2. Research Institute of Superconductor Electronics, Nanjing University, Nanjing 210023, China

3. National Institute for Materials Science, Tsukuba 3050047, Japan

4. Kotel’nikov Institute of Radio Engineering and Electronics, Moscow 125009, Russia

5. Physikalisches Institut, Center for Quantum Science (CQ) and LISA+, Universität Tübingen, 72076 Tübingen, Germany

Abstract

A compact cryogenic terahertz emitter is highly desired for applications in terahertz astronomy with a broad frequency range of emissions and relatively high emission power. In this paper, we report on a terahertz emitter based on Bi2Sr2CaCu2O8 + δ (BSCCO) intrinsic Josephson junctions, with a frequency range from 0.15 to 1.01 THz. The emitter is a square gold-BSCCO-gold mesa on a sapphire substrate fabricated by a simple and efficient method. The highest emission power of 5.62 μW at 0.35 THz was observed at 50 K. A record low emission frequency of 0.15 THz was achieved at 85 K, extending the applicability of BSCCO terahertz emitters in the low-frequency range.

Funder

National Natural Science Foundation of China

National Key R&D Program of China

Jiangsu Key Laboratory of Advanced Techniques for Manipulating Electromagnetic Waves

COST Action CA21144 superqumap

Ministry of Science and Higher Education of the Russian Federation

Innovation and Entrepreneurship Program of Jiangsu Province

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

Link

https://www.mdpi.com/2076-3417/13/6/3469/pdf

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