Dibyendu Hazra YOU? Author Swipe

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A numerical study of self-focusing and guiding of laser pulse of duration shorter than plasma wavelength Open

Dibyendu Hazra, A. Moorti · 2024

Self-focusing and guiding of ultra-short (pulse duration: L

Effect of ion irradiation on superconducting thin films Open

K. Kohopää, Alberto Ronzani, Robab Najafi Jabdaraghi, Arijit Bera, Mário Ribeiro , et al. · 2024

We demonstrate ion irradiation by argon or gallium as a wafer-scale post-processing method to increase disorder in superconducting thin films. We study several widely used superconductors, both single-elements and compounds. We show that i…

Effect of ion irradiation on superconducting thin films Open

Katja Kohopää, Alberto Ronzani, Robab Najafi Jabdaraghi, Arijit Bera, Mário Ribeiro , et al. · 2023

We demonstrate ion irradiation by argon or gallium as a wafer-scale post-processing method to increase disorder in superconducting thin films. We study several widely used superconductors, both single-elements and compounds. We show that i…

Two-Stage SQUID Amplifier for the Frequency Multiplexed Readout of the X-IFU X-Ray Camera Open

M. Kiviranta, Leif Grönberg, Tuomas Puranen, J. van der Kuur, Nikolai Beev , et al. · 2021

The X-ray Integral Field Unit (X-IFU) is a cryogenic X-ray camera intended for the ATHENA space observatory. Its focal plane will contain a kilopixel array of Transition Edge Sensors (TESs), originally intended to be read out by a Frequenc…

Data for Bolometer operating at the threshold for circuit quantum electrodynamics Open

Roope Kokkoniemi, J.P. Girard, Dibyendu Hazra, Antti Laitinen, Joonas Govenius , et al. · 2020

Data in figures of publication "Bolometer operating at the threshold for circuit quantum electrodynamics" published in Nature.

Data for Bolometer operating at the threshold for circuit quantum electrodynamics Open

Roope Kokkoniemi, J.P. Girard, Dibyendu Hazra, Antti Laitinen, Joonas Govenius , et al. · 2020

Data in figures of publication "Bolometer operating at the threshold for circuit quantum electrodynamics" published in Nature.

Data for Bolometer operating at the threshold for circuit quantum electrodynamics Open

Roope Kokkoniemi, J.P. Girard, Dibyendu Hazra, Antti Laitinen, Joonas Govenius , et al. · 2020

Data in figures of publication "Bolometer operating at the threshold for circuit quantum electrodynamics" published in Nature.

Data for Bolometer operating at the threshold for circuit quantum electrodynamics Open

Roope Kokkoniemi, J.P. Girard, Dibyendu Hazra, Antti Laitinen, Joonas Govenius , et al. · 2020

Data in figures of publication "Bolometer operating at the threshold for circuit quantum electrodynamics" published in Nature.

Exceptional points in tunable superconducting resonators Open

Matti Partanen, Jan Goetz, Kuan Yen Tan, Kassius Kohvakka, Vasilii Sevriuk , et al. · 2019

| openaire: EC/H2020/681311/EU//QUESS | openaire: EC/H2020/820505/EU//QMiCS | openaire: EC/H2020/795159/EU//NEQC

Electron radiography with different beam parameters using laser plasma accelerator Open

Dibyendu Hazra, S. Mishra, A. Moorti, J. A. Chakera · 2019

An experimental study on the radiography of various metallic and biological plant samples with a minimum resolution of ∼75 μm using relativistic electron beams from the laser plasma accelerator is presented. Electron beams were generated f…

Quantum critical scaling of the conductivity tensor at the metal-insulator transition in Nb$_{1-x}$Ti$_{x}$N Open

Dibyendu Hazra, Prosenjit Haldar, M. S. Laad, Nikolaos Tsavdaris, Anna Mukhtarova , et al. · 2019

In contrast to the Landau paradigm, a metal-insulator transition (MIT), driven purely by competition between itinerance and localization and unaccompanied by any conventional (e.g, magnetic) order-disorder instabilities, admits no obvious …

Laser wakefield acceleration with active feedback at 5 Hz Open

S. J. D. Dann, C. D. Baird, Nicolas Bourgeois, O. Chekhlov, Samuel Eardley , et al. · 2019

We describe the use of a genetic algorithm to apply active feedback to a laser wakefield accelerator at a higher power (10 TW) and a lower repetition rate (5 Hz) than previous work. The temporal shape of the drive laser pulse was adjusted …

Laser wakefield acceleration with active feedback at 5 Hz Open

S. J. D. Dann, C. D. Baird, Nicolas Bourgeois, O. Chekhlov, Samuel Eardley , et al. · 2019

The data and code used to produce the plots in Dann et al., "Laser wakefield acceleration with active feedback at 5 Hz", Phys. Rev. Accel. Beams (2019). This is a sub-set of the data collected during an experiment investi…

Laser wakefield acceleration with active feedback at 5 Hz Open

S. J. D. Dann, C. D. Baird, Nicolas Bourgeois, O. Chekhlov, Samuel Eardley , et al. · 2019

The data and code used to produce the plots in Dann et al., "Laser wakefield acceleration with active feedback at 5 Hz", Phys. Rev. Accel. Beams (2019). This is a sub-set of the data collected during an experiment investi…

Nanobridge superconducting quantum interference devices: Beyond the Josephson limit Open

Dibyendu Hazra · 2019

Nano-scale superconducting quantum interference devices (nano-SQUIDS) where\nthe weak-links are made from nano-bridges --- i.e., nano-bridge--SQUIDs (NBSs)\n--- are one of the most sensitive magnetometers for nano-scale magnetometry.\nBeca…

Qubit Measurement by Multichannel Driving Open

Joni Ikonen, Jan Goetz, Jesper Ilves, Aarne Keränen, András Gunyhó , et al. · 2019

We theoretically propose and experimentally implement a method of measuring a qubit by driving it close to the frequency of a dispersively coupled bosonic mode. The separation of the bosonic states corresponding to different qubit states b…

Determination of hybrid and direct laser acceleration dominated regimes in a 55fs laser driven plasma accelerator with ionization induced injection Open

Dibyendu Hazra, A. Moorti, A. Upadhyay, J. A. Chakera · 2019

An experimental study on 55fs laser driven plasma accelerator using mixed gas-jet target with varying plasma density is used to identify the role of different acceleration mechanisms, viz. Direct Laser Acceleration (DLA) and wakefield. At …

Polarization-insensitive fiber-coupled superconducting-nanowire single photon detector using a high-index dielectric capping layer Open

Anna Mukhtarova, Luca Redaelli, Dibyendu Hazra, H. Machhadani, S. Lequien , et al. · 2018

Superconducting-nanowire single photon detectors (SNSPDs) are able to reach near-unity detection efficiency in the infrared spectral range. However, due to the intrinsic asymmetry of nanowires, SNSPDs are usually very sensitive to the pola…

Microwave response and electrical transport studies of disordered s wave superconductor: NbN thin films Open

Dibyendu Hazra, Salha Jebari, Romain Albert, Florian Blanchet, Alexander Grimm , et al. · 2018

It is now well known that the properties of the disordered s wave superconductors can deviate significantly from the prediction of standard Bardeen-Cooper-Schrieffer (BCS) theory. By measuring the temperature dependence of the resonance fr…

Superconducting properties of NbTiN thin films deposited by high-temperature chemical vapor deposition Open

Dibyendu Hazra, Nikolaos Tsavdaris, Anna Mukhtarova, Manoël Jacquemin, Florian Blanchet , et al. · 2018

We report on the superconducting properties of Nb$_{1-x}$Ti$_x$N thin films of thickness $\sim$ 10 nm, with different Ti fraction $x$ in the range $ 0 \leq x \leq 0.5$, deposited by high temperature chemical vapor deposition. In this param…

Multiplying and detecting propagating microwave photons using inelastic Cooper-pair tunneling Open

Juha Leppäkangas, Michael Marthaler, Dibyendu Hazra, Salha Jebari, Romain Albert , et al. · 2018

The interaction between propagating microwave fields and Cooper-pair tunneling across a DC-voltage-biased Josephson junction can be highly nonlinear. We show theoretically that this nonlinearity can be used to convert an incoming single mi…

Multiplying microwave photons by inelastic Cooper-pair tunneling Open

Juha Leppäkangas, Michael Marthaler, Dibyendu Hazra, Salha Jebari, Göran Johansson , et al. · 2016

The interaction between propagating microwave fields and Cooper-pair tunneling across a DC voltage-biased Josephson junction can be highly nonlinear. We show theoretically that this nonlinearity can be used to convert an incoming single mi…

Superconducting properties of very high quality NbN thin films grown by high temperature chemical vapor deposition Open

Dibyendu Hazra, Nikolaos Tsavdaris, Salha Jebari, Alexander Grimm, Florian Blanchet , et al. · 2016

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