Terahertz Detection and Spectroscopy Based on High-Tc Josephson Junctions (original) (raw)

2005 18th International Conference on Applied Electromagnetics and Communications, 2005

Abstract

ABSTRACT Frequency-selective and broadband high-T c Josephson detectors have been fabricated and characterized. A spectral range from 15 GHz to 5.3 THz has been demonstrated for these detectors. A power dynamic range of 50 dB and a noise equivalent power of 10-14W/Hz1/2have been realized. A spectral resolution δf/f of 10-3has been achieved in the terahertz range. As an alternative to Fourier-transform spectroscopy, fast Hilbert-transform spectroscopy, based on these detectors, has been applied for various cw and pulsed terahertz sources.

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