PUBLICATIONS

2017


Multi-mode superconducting circuits for realizing strongly coupled multi-qubit processor units Link
Tanay Roy, Madhavi Chand, Sumeru Hazra, Suman Kundu, Kedar Damle, and R. Vijay
arXiv:1711.01658 (2017)


Converting Quasiclassical States into Arbitrary Fock State Superpositions in a Superconducting Circuit Link
W. Wang, L. Hu, Y. Xu, K. Liu, Y. Ma, Shi-Biao Zheng, R. Vijay, Y. P. Song, L.-M. Duan, and L. Sun
Phys. Rev. Lett. 118, 223604 (June 2017)


Implementation of pairwise longitudinal coupling in a three-qubit superconducting circuit Link
Tanay Roy, Suman Kundu, Madhavi Chand, Sumeru Hazra, N. Nehra, R. Cosmic, A. Ranadive, Meghan P. Patankar, Kedar Damle, and R. Vijay
Phys. Rev. Applied 7, 054025 (May 2017)


A two-fold quantum delayed-choice experiment in a superconducting circuit Link
K. Liu, Y. Xu, W. Wang, Shi-Biao Zheng, Tanay Roy, Suman Kundu, Madhavi Chand, A. Ranadive, R. Vijay, Y. P. Song, L.-M. Duan, and L. Sun
Science Advances Vol. 3, No. 5, e1603159 (May 2017)

2016


Experimental Quantum Randomness Processing Using Superconducting Qubits Link
Xiao Yuan, Ke Liu, Yuan Xu, Weiting Wang, Yuwei Ma, Fang Zhang, Zhaopeng Yan, R. Vijay, Luyan Sun, and Xiongfeng Ma
Phys. Rev. Lett. 117, 010502 (2016)


Dynamical strong coupling and parametric amplification of mechanical modes of graphene drums Link
John P. Mathew, Raj N. Patel, Abhinandan Borah, R. Vijay and Mandar M. Deshmukh
Nature Nanotechnology 11, 747–751 (2016)
Link to cover of Nature Nanotechnology
News coverage


Quantum Zeno effect in the strong measurement regime of circuit quantum electrodynamics Link
D H Slichter, C Müller, R Vijay, S J Weber, A Blais and I Siddiqi
New J. Phys. 18, 053031 (2016)


Weak Measurement and Feedback in Superconducting Quantum Circuits Link
K. W. Murch, R Vijay, and I Siddiqi
Book chapter in "Superconducting devices in quantum optics", Springer International Publishing (2016)

2015


Broadband parametric amplification with impedance engineering: Beyond the gain-bandwidth product Link
Tanay Roy, Suman Kundu, Madhavi Chand, A. M. Vadiraj, A. Ranadive, N. Nehra, Meghan P. Patankar, J. Aumentado, A. A. Clerk, R. Vijay
Appl. Phys. Lett. 107, 262601 (2015)


Quantum measurements with superconducting circuits Link
Tanay Roy, A. M. Vadiraj, Madhavi Chand, A. Ranadive, Suman Kundu, Meghan P. Patankar and R. Vijay
Curr. Sci., 109 (11), 2069-2076, (2015)

2014


Large gain quantum-limited qubit measurement using a two-mode nonlinear cavity Link
S. Khan, R. Vijay, I. Siddiqi, A. A. Clerk
New J. Phys. 16, 113032 (2014)


Observation of Measurement-Induced Entanglement and Quantum Trajectories of Remote Superconducting Qubits Link
N. Roch, M. E. Schwartz, F. Motzoi, C. Macklin, R. Vijay, A. W. Eddins, A. N. Korotkov, K. B. Whaley, M. Sarovar, and I. Siddiqi
Phys. Rev. Lett. 112, 170501 (2014)


Single Quasiparticle Trapping in Aluminum Nanobridge Josephson Junctions Link
E. M. Levenson-Falk, F. Kos, R. Vijay, L. Glazman, and I. Siddiqi
Phys. Rev. Lett. 112, 047002 (2014)

2013


In-Plane Magnetic Field Tolerance of a Dispersive Aluminum Nanobridge SQUID Magnetometer Link
N. Antler, E.M. Levenson-Falk, R. Naik, Y.-D. Sun, A. Narla, R. Vijay, I. Siddiqi
Appl. Phys. Lett. 102, 232602 (2013)


A dispersive nanoSQUID magnetometer for ultra-low noise, high bandwidth flux detection Link
E. M. Levenson-Falk, R. Vijay, N. Antler, I. Siddiqi
Supercond. Sci. Technol. 26 055015 (2013)

Publications of R. Vijay prior to joining TIFR

2012


Quantum State Sensitivity of an Autoresonant Superconducting Circuit Link
K. W. Murch, E. Ginossar, S. J. Weber, R. Vijay, S.M. Girvin, I. Siddiqi
Phys. Rev. B 86, 220503 (2012)


Measurement-induced qubit state mixing in circuit QED from upconverted dephasing noise Link
D. H. Slichter, R. Vijay, S. J. Weber, S. Boutin, M. Boissonneault, J. M. Gambetta, A. Blais, I. Siddiqi
Phys. Rev. Lett. 109, 153601 (2012)


Stabilizing Rabi oscillations in a superconducting qubit using quantum feedback Link
R. Vijay, C. Macklin, D. H. Slichter, S. J. Weber, K. W. Murch, R. Naik, A. N. Korotkov, I. Siddiqi
Nature 490, 77–80 (2012) News and Views


Heralded state preparation in a superconducting qubit Link
J. E. Johnson, C. Macklin, D. H. Slichter, R. Vijay, E. B. Weingarten, John Clarke, I. Siddiqi
Phys. Rev. Lett. 109, 050506 (2012)


Dynamical bifurcation and amplification in Josephson junction oscillators Link
R. Vijay, K. W. Murch and I. Siddiqi
Book chapter in Fluctuating Nonlinear Oscillators: From Nanomechanics to Quantum Superconducting Circuits
Oxford University Press, July 26 2012


1/f noise of Josephson junction embedded microwave resonators at single photon energies and milikelvin temperatures Link
K. W. Murch, S. J. Weber, E. M. Levenson-Falk, R. Vijay, I. Siddiqi
Appl. Phys. Lett. 100, 142601(2012)

2011


Single crystal silicon capacitors with low microwave loss in the single photon regime Link
S. J. Weber, K.W. Murch, D. H. Slichter, R. Vijay, I. Siddiqi
Appl. Phys. Lett. 98, 172510 (2011)


Nonlinear microwave response of aluminum weak-link Josephson oscillators Link
E. M. Levenson-Falk, R. Vijay, I. Siddiqi
Appl. Phys. Lett. 98, 123115 (2011)


Observation of quantum jumps in a superconducting artificial atom Link
R. Vijay, D.H. Slichter, I. Siddiqi
Phys. Rev. Lett. 106, 110502 (2011)


Quantum Fluctuations in the Chirped Pendulum Link
K. W. Murch, R. Vijay, I. Barth, O. Naaman, J. Aumentado, L. Friedland, and I. Siddiqi
Nature Physics 7, 105 (2011)


Dispersive magnetometry with a quantum limited SQUID parametric amplifier Link
M. Hatridge, R. Vijay, D. H. Slichter, J. Clarke, I. Siddiqi
Phys. Rev. B 83, 134501 (2011)

2010


Approaching ideal weak link behavior with three dimensional aluminum nanobridges Link
R. Vijay, E. M. Levenson-Falk, D.H. Slichter, I. Siddiqi
Appl. Phys. Lett. 96, 223112 (2010)


Phase Preserving Amplification Near the Quantum Limit with a Josephson Ring Modulator Link
N. Bergeal, F. Schackhert, M. Metcalfe, R. Vijay, V. E. Manucharyan, L. Frunzio, D. E. Prober, R. J. Schoelkopf, S. M. Girvin, M. H. Devoret
Nature 465, 64-68 (2010)


Analog information processing at the quantum limit with a Josephson ring modulator Link
N. Bergeal, R. Vijay, V. Manucharyan, I. Siddiqi, R. J. Schoelkopf, S. M. Girvin and M. H. Devoret
Nature Physics 6, 296-302 (2010)

2009


Invited Review Article: The Josephson bifurcation amplifier Link
R. Vijay, M.H. Devoret, I. Siddiqi
Rev. Sci. Instrum. 80, 111101 (2009)


Optimizing Anharmonicity in Nanoscale Weak Link Josephson Junction Oscillators Link
R. Vijay, J.D. Sau, Marvin L. Cohen, I. Siddiqi
Phys. Rev. Lett. 103, 087003 (2009)

2007


Quantum nondemolition readout using a Josephson bifurcation amplifier Link
N. Boulant, G. Ithier, P. Meeson, F. Nguyen, D. Vion, D. Esteve, I. Siddiqi, R. Vijay, C. Rigetti, F. Pierre, and M. Devoret
Phys. Rev. B 76, 014525 (2007)


Measuring the decoherence of a quantronium qubit with the cavity bifurcation amplifier Link
M. Metcalfe, E. Boaknin, V. Manucharyan, R. Vijay, I. Siddiqi, C. Rigetti, L. Frunzio, R. J. Schoelkopf, and M. H. Devoret
Phys. Rev. B 76, 174516 (2007)


Microwave bifurcation of a Josephson junction: Embedding-circuit requirements Link
V. E. Manucharyan, E. Boaknin, M. Metcalfe, R. Vijay, I. Siddiqi and M.H. Devoret
Phys. Rev. B 76, 014524 (2007)

2006


Dispersive measurements of superconducting qubit coherence with a fast latching readout Link
I. Siddiqi, R. Vijay, M. Metcalfe, E. Boaknin, L. Frunzio, R. J. Schoelkopf, and M. H. Devoret
Phys. Rev. B 73, 054510 (2006)

2005


Direct Observation of Dynamical Bifurcation between Two Driven Oscillation States of a Josephson Junction Link
I. Siddiqi, R. Vijay, F. Pierre, C.M. Wilson, L. Frunzio, M. Metcalfe, C. Rigetti, R.J. Schoelkopf, and M.H. Devoret
Phys. Rev. Lett. 94, 027005 (2005)

2004


An RF-Driven Josephson Bifurcation Amplifier for Quantum Measurements Link
I. Siddiqi, R. Vijay, F. Pierre, C.M. Wilson, M. Metcalfe, C. Rigetti, L. Frunzio, and M.H. Devoret
Phys. Rev. Lett. 93, 207002(2004)