ICTS:29170

Video URL

Superconducting van der Waals devices for quantum technology

Superconducting van der Waals devices for quantum technology

(2024). Superconducting van der Waals devices for quantum technology. SciVideos. https://youtube.com/live/icDJp_rUwMw

Superconducting van der Waals devices for quantum technology. SciVideos, Jul. 23, 2024, https://youtube.com/live/icDJp_rUwMw 

          @misc{ scivideos_ICTS:29170,
            doi = {},
            url = {https://youtube.com/live/icDJp_rUwMw},
            author = {},
            keywords = {},
            language = {en},
            title = {Superconducting van der Waals devices for quantum technology},
            publisher = {},
            year = {2024},
            month = {jul},
            note = {ICTS:29170 see, \url{https://scivideos.org/icts-tifr/29170}}
          }
Mandar Deshmukh
Talk numberICTS:29170
Source RepositoryICTS-TIFR
Source EventEngineered 2D Quantum Materials
Collection

Abstract

2D van der Waals materials-based heterostructures have led to new devices for fundamental science and applications. Superconducting Josephson devices based on 2D materials offer unique opportunities to engineer new functionality for quantum technology. I will present results from two classes of materials. First, proximitized graphene-based Josephson junctions lead to a quantum noise-limited parametric amplifier with performance comparable to best discrete amplifiers in this class [1]. Gate tunability of the center frequency of the amplifier, rather than flux, offers key advantages. An extension of graphene Josephson architecture to make state-of-the-art bolometers leveraging graphene's low specific heat, and I will present initial results. Second, twisted van der Waals heterostructures based on high Tc superconductor Bi2Sr2CaCu2O8+δ lead to the realization of a high-temperature Josephson diode [2] for the first time. Such Josephson diodes offer an opportunity to engineer the current ph...