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Sumedh Mahashabde

Researcher at Chalmers University of Technology

Publications -  35
Citations -  414

Sumedh Mahashabde is an academic researcher from Chalmers University of Technology. The author has contributed to research in topics: Bolometer & Noise-equivalent power. The author has an hindex of 11, co-authored 33 publications receiving 308 citations. Previous affiliations of Sumedh Mahashabde include University of Oxford.

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Express Optical Analysis of Epitaxial Graphene on SiC: Impact of Morphology on Quantum Transport

TL;DR: It is shown that inspection with an optical microscope allows surprisingly simple and accurate identification of single and multilayer graphene domains in epitaxial graphene on silicon carbide (SiC/G) and is informative about nanoscopic details of the SiC topography, making it ideal for rapid and noninvasive quality control of as-grown SiC/ G.
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Two-level systems in superconducting quantum devices due to trapped quasiparticles.

TL;DR: Here, a previously unexplored decoherence mechanism is revealed in the form of a new type of TLS originating from trapped QPs, which can induce qubit relaxation and thus affect coherence over exponentially long time scales.
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Optical Response of a Cold-Electron Bolometer Array Integrated in a 345-GHz Cross-Slot Antenna

TL;DR: In this article, two series/parallel arrays of ten cold-electron bolometers with superconductor-insulator-normal tunnel junctions were integrated in orthogonal ports of a cross-slot antenna.
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Fast Tunable High-Q-Factor Superconducting Microwave Resonators

TL;DR: In this paper, a fast tunable superconducting microwave resonators fabricated from planar NbN on a sapphire substrate are presented. The 3 lambda/4 wavelength resonators are tuning fork shaped and tuned by passing a dc current that controls the kinetic inductance of the tuning fork prongs.
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A Frequency Selective Surface Based Focal Plane Receiver for the OLIMPO Balloon-Borne Telescope

TL;DR: In this article, a focal plane array of Cold-Electron Bolometer (CEB) detectors is integrated in a frequency selective surface (FSS) for the 350 GHz detection band of the OLIMPO balloon-borne telescope.