78 citations · 251 across the 17 of their papers we have counts for
17 papers
Origins of microwave losses in superconducting circuits made with silicon-on-insulator substrates
Simon Messelot, Nicolas Aparicio, Kazi Rafsanjani Amin +11
Silicon-on-insulator technology is widely used to fabricate silicon based devices, from advanced transistors to photonic circuits or nanomechanical systems. Integrating low loss su…
Experimental observation of multimode quantum phase transitions in a superconducting Bose-Hubbard simulator
Claudia Castillo-Moreno, Théo Sépulcre, Timo Hillmann +3
The study of phase transitions and critical phenomena arising in quantum driven-dissipative systems, and whether a correspondence can be drawn to their equilibrium counterparts, is…
Microwave dynamics of gated Al/InAs superconducting nanowires
Vittorio Buccheri, François Joint, Kazi Rafsamjani Amin +9
Several experiments have recently reported on gate-tunable superconducting properties in metallic devices, holding promise for the realization of cryogenic switches, tunable resona…
Dynamics of Gate-Controlled Superconducting Dayem Bridges
François Joint, Kazi Rafsanjani Amin, Ivo Cools +1
Local control of superconducting circuits by high-impedance electrical gates offers potential advantages in superconducting logic, quantum processing units, and cryoelectronics. Re…
First-order quantum breakdown of superconductivity in amorphous superconductors
Thibault Charpentier, David Perconte, Sébastien Léger +10
Continuous quantum phase transitions are widely assumed and frequently observed in various systems of quantum particles or spins. Their characteristic trait involves scaling laws g…
Dynamical excitation control and multimode emission of an atom-photon bound state
Claudia Castillo-Moreno, Kazi Rafsanjani Amin, Ingrid Strandberg +3
Atom-photon bound states arise from the coupling of quantum emitters to the band edge of dispersion-engineered waveguides. Thanks to their tunable-range interactions, they are prom…
Direct detection of quasiparticle tunneling with a charge-sensitive superconducting sensor coupled to a waveguide
Kazi Rafsanjani Amin, Axel M. Eriksson, Mikael Kervinen +3
Detecting quasiparticle tunneling events in superconducting circuits provides information about the population and dynamics of non-equilibrium quasiparticles. Such events can be de…
Universality of Quantum Phase Transitions in the Integer and Fractional Quantum Hall Regimes
Simrandeep Kaur, Tanima Chanda, Kazi Rafsanjani Amin +7
Fractional quantum Hall (FQH) phases emerge due to strong electronic interactions and are characterized by anyonic quasiparticles, each distinguished by unique topological paramete…
Multifractal conductance fluctuations in high-mobility graphene in the Integer Quantum Hall regime
Kazi Rafsanjani Amin, Ramya Nagarajan, Rahul Pandit +1
We present the first experimental evidence for the multifractality of a transport property at a topological phase transition. In particular, we show that conductance fluctuations d…
A CMOS compatible platform for high impedance superconducting quantum circuits
Kazi Rafsanjani Amin, Carine Ladner, Guillaume Jourdan +3
Aluminium based platforms have allowed to reach major milestones for superconducting quantum circuits. For the next generation of devices, materials that are able to maintain low m…
Effect of dimensionality on the vortex-dynamics in type-II superconductor
Hemanta Kumar Kundu, Kazi Rafsanjani Amin, John Jesudasan +3
We explore the effects of sample dimensionality on vortex pinning in a type-II, low-, s-wave superconductor, NbN, in the presence of a perpendicular magnetic field, . We fi…
Exotic Multifractal Conductance Fluctuations in Graphene
Kazi Rafsanjani Amin, Samriddhi Sankar Ray, Nairita Pal +2
In quantum systems, signatures of multifractality are rare. They have been found only in the multiscaling of eigenfunctions at critical points. Here we demonstrate multifractality…
High performance sensors based on resistance fluctuations of single layer graphene transistors
Kazi Rafsanjani Amin, Aveek Bid
One of the most interesting predicted applications of graphene monolayer based devices is as high quality sensors. In this letter we show, through systematic experiments, a chemica…
Role of different scattering mechanisms on the temperature dependence of transport in graphene
Suman Sarkar, Kazi Rafsanjani Amin, Ranjan Modak +3
Detailed experimental and theoretical studies of the temperature dependence of the effect of different scattering mechanisms on electrical transport properties of graphene devices…
Effect of ambient on the resistance fluctuations of graphene
Kazi Rafsanjani Amin, Aveek Bid
In this letter we present the results of systematic experimental investigations of the effect of different chemical environments on the low frequency resistance fluctuations of sin…
Robust local and non-local transport in the Topological Kondo Insulator SmB in the presence of high magnetic field
Sangram Biswas, Ramya Nagarajan, Suman Sarkar +5
SmB has been predicted to be a Kondo Topological Insulator with topologically protected conducting surface states. We have studied quantitatively the electrical transport throu…
Probing long-range correlations in the Berezinskii-Kosterlitz-Thouless fluctuation regime of ultra-thin NbN superconducting films using transport noise measurements
R. Koushik, Siddhartha Kumar, Kazi Rafsanjani Amin +5
We probe the presence of long-range correlations in phase fluctuations by analyzing the higher-order spectrum of resistance fluctuations in ultra-thin NbN superconducting films. Th…