Publications

2018

15> Quantum control for high-fidelity multi-qubit gates.

R. J. Spiteri, M. Schmidt, J. Ghosh, E. Zahedinejad and B. C. Sanders.

New Journal of Physics, 20, 113009 (2018) [arXiv link][PDF]

14> Measurement-free implementations of small-scale surface codes for quantum-dot qubits.

H. E. Ercan, J. Ghosh, D. Crow, V. N. Premakumar, R. Joynt, M. Friesen and S. N. Coppersmith.

Physical Review A, 97, 012318 (2018) [arXiv link][PDF]

2017

13> Pulse sequences for suppressing leakage in single-qubit gate operations.

J. Ghosh, S. N. Coppersmith and M. Friesen.

Physical Review B [Rapid Communication], 95, 241307(R) (2017) [arXiv link][PDF]

12> A decoherence-free subspace in a charge quadrupole qubit.

M. Friesen, J. Ghosh, M. Eriksson and S. N. Coppersmith.

Nature Communications, 8, 15923 (2017) [arXiv link][PDF][Supplementary material])

2016

11> Designing High-Fidelity Single-Shot Three-Qubit Gates: A Machine Learning Approach.

E. Zahedinejad, J. Ghosh and B. C. Sanders.

Physical Review Applied, 6, 054005 (2016) [arXiv link][PDF]

10> Quantum simulation of macro and micro quantum phase transition from paramagnetism to frustrated magnetism with a superconducting circuit.

J. Ghosh and B. C. Sanders.

New Journal of Physics, 18, 033015 (2016) [arXiv link][PDF]

2015

9> High-Fidelity Single-Shot Toffoli Gate via Quantum Control.

E. Zahedinejad, J. Ghosh and B. C. Sanders.

Physical Review Letters, 114, 200502 (2015) [arXiv link][PDF]

8> Leakage-resilient approach to fault-tolerant quantum computing with superconducting elements.

J. Ghosh and A. G. Fowler.

Physical Review A [Rapid Communication], 91, 020302(R) (2015) [arXiv link][PDF]

2014

7> Emulating quantum state transfer through a spin-1 chain on a one-dimensional lattice of superconducting qutrits.

J. Ghosh.

Physical Review A, 90, 062318 (2014) [arXiv link][PDF]

6> Simulating Anderson localization via a quantum walk on a one-dimensional lattice of superconducting qubits.

J. Ghosh.

Physical Review A, 89, 022309 (2014) [arXiv link][PDF]

2013

5> Understanding the effects of leakage in superconducting quantum error detection circuits.

J. Ghosh, A. G. Fowler, J. M. Martinis and M. R. Geller.

Physical Review A, 88, 062329 (2013) [arXiv link][PDF]

♕ Fault Tolerant Quantum Computation with Superconducting Elements: High-fidelity Gate Design and Topological Error Correction.

J. Ghosh, PhD Thesis. [UGA electronic database link][PDF][Talk]

4> High-fidelity controlled-σ^Z gate for resonator-based superconducting quantum computers.

J. Ghosh, A. Galiautdinov, Z. Zhou, A. N. Korotkov, J. M. Martinis and M. R. Geller.

Physical Review A, 87, 022309 (2013) [arXiv link][PDF]

2012

3> Surface code with decoherence: An analysis of three superconducting architectures.

J. Ghosh, A. G. Fowler and M. R. Geller.

Physical Review A, 86, 062318 (2012) [arXiv link][PDF]

2> Controlled-NOT logic gate for phase qubits based on conditional spectroscopy.

J. Ghosh and M. R. Geller.

Quantum Information Processing, Springer, Netherlands, 11, 6, 1349-57 (2012) [arXiv link][PDF]

2011

✍ A note on the measures of process fidelity for non-unitary quantum operations.

J. Ghosh, Unpublished note. [arXiv link]

2010

1> Controlled-NOT gate with weakly coupled qubits: Dependence of fidelity on the form of interaction.

J. Ghosh and M. R. Geller.

Physical Review A, 81, 052340 (2010) [arXiv link][PDF]

(Selected for Virtual Journal of Quantum Information, Volume 10, Issue 6)