Three-terminal semiconductor-superconductor transimpedance amplifier

Thanh Pham; Michael Leung; Bruce J. Dalrymple; L. A. Abelson; J. W. Spargo; Szutsun Simon Ou; Hugo W. Chan; Arnold H. Silver

doi:10.1117/12.60503

1 July 1992 A three-terminal semiconductor-superconductor transimpedance amplifier

Thanh Pham, Michael Leung, Bruce J. Dalrymple, L. A. Abelson, J. W. Spargo, Szutsun Simon Ou, Hugo W. Chan, Arnold H. Silver

Author Affiliations +

Proceedings Volume 1684, Infrared Readout Electronics; (1992) https://doi.org/10.1117/12.60503
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

A device that permits combining high impedance semiconducting IR detectors with low impedance superconducting electronics will have significant benefits for IR sensor systems. We report an improved hybrid three-terminal transimpedance amplifier with significant current gain. The TIA consists of a semiconductor diode configured for injection of electrons into a thin base electrode (less than 25 nm) superconductor-insulator-superconductor junction, whose response is read out by low impedance superconductive electronics. We achieved an input dynamic impedance greater than 10 exp 11 Ohms, an output dynamic impedance of approximately 10 micro-Ohms, a current gain of 20 and an effective input noise current less than 10 exp -14 A/sq rt Hz. We operated the TIA in a sensor test bed with an extrinsic silicon IR detector and a superconductive analog-to-digital converter.

Citation Download Citation

Thanh Pham, Michael Leung, Bruce J. Dalrymple, L. A. Abelson, J. W. Spargo, Szutsun Simon Ou, Hugo W. Chan, and Arnold H. Silver "A three-terminal semiconductor-superconductor transimpedance amplifier", Proc. SPIE 1684, Infrared Readout Electronics, (1 July 1992); https://doi.org/10.1117/12.60503

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