Broadband THz detection by high-Tc Josephson junctions

Author

Divin, Y.Y. ; Pavlovskii, V.V. ; Tkachev, D.A. ; Volkov, O.Y. ; Gubankov, V.N. ; Urban, K.

Author_Institution

Res. Center Juelich, Juelich

fYear

2006

fDate

18-22 Sept. 2006

Firstpage

345

Lastpage

345

Abstract

Detection of THz radiation by YBa₂Cu₃O_7-x Josephson bicrystal junctions with high characteristic voltages I_cR_n up to 8 mV has been studied. The high-resistance junctions have demonstrated a classical detection of radiation with frequencies up to terahertz range. It was shown by numerical simulations, that the values of noise equivalent power NEP < 5 times10^-15 W/Hz^1/2 can be reached at the frequencies up to 1.5 THz at junction temperature of 30 K.

Keywords

Josephson effect; barium compounds; bicrystals; high-temperature superconductors; submillimetre wave detectors; superconducting junction devices; superconducting microwave devices; yttrium compounds; V-I characteristics; YBa₂Cu₃O₇; broadband THz detection; high-T_c Josephson bicrystal junctions; high-resistance junctions; noise equivalent power; numerical simulations; temperature 30 K; Frequency; Josephson effect; Josephson junctions; Numerical simulation; Radiation detectors; Semiconductor device noise; Semiconductor radiation detectors; Superconducting device noise; Temperature distribution; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics, 2006. IRMMW-THz 2006. Joint 31st International Conference on

Conference_Location

Shanghai

Print_ISBN

1-4244-0400-2

Electronic_ISBN

1-4244-0400-2

Type

conf

DOI

10.1109/ICIMW.2006.368553

Filename

4222287