Phonon softening and MIR absorption in superconducting

Zhigadlo, N. D.; Zhang, Ming; Salje, Ekhard K. H.

doi:10.1088/0953-2048/10/4/005

Cited by 5 publications

(1 citation statement)

References 30 publications

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“…Also, due to the complex origins of optical properties, in the future it would be useful to verify transparency of reduced ITO across temperature regimes. We would not expect the superconducting transition to cause significant changes to the optical properties [33,34], but some superconductors can have temperature-dependent optical properties due to other types of phase transitions [35,36].…”

Section: Discussionmentioning

confidence: 99%

Reduced ITO for transparent superconducting electronics

Batson

Colangelo

Simonaitis

et al. 2023

Supercond. Sci. Technol.

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Absorption of light in superconducting electronics is a major limitation on the quality of circuit architectures that integrate optical components with superconducting components. A 10 nm thick film of a typical superconducting material like niobium can absorb over half of any incident optical radiation. We propose instead using superconductors which are transparent to the wavelengths used elsewhere in the system. In this paper we investigated reduced indium tin oxide (ITO) as a potential transparent superconductor for electronics. We fabricated and characterized superconducting wires of reduced indium tin oxide. We also showed that a 10 nm thick film of the material would only absorb about 1 - 20% of light between 500 - 1700 nm.

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Section: Discussionmentioning

confidence: 99%