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Intermodulation distortion in HTS thin films: a global heating model.

Hao, L; Gallop, J C; Purnell, A*; Cohan, L* (2002) Intermodulation distortion in HTS thin films: a global heating model. Physica C, 372-37 (1). pp. 469-473.

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Abstract

The non-linear microwave response of high transition-temperature superconductors (HTS) thin films is a critical issue for applications of the cuprates in future communications technologies. We report that the conventional figure of merit, the third-order intercept, does not provide a good measure of performance for HTS materials. We describe a physical model for intermodulation distortion generation which arises from global heating effects in a thin film, not previously noted. We present results on a high quality YBCO thin film which support the validity of this model. Predictions are made of techniques to reduce the intermodulation in films of this quality.

Item Type: Article
Subjects: Quantum Phenomena
Quantum Phenomena > Quantum Information Processing and Communication
Last Modified: 02 Feb 2018 13:17
URI: http://eprintspublications.npl.co.uk/id/eprint/2476

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