1 code implementation • 14 Aug 2020 • Andrea Mari, Thomas R. Bromley, Nathan Killoran
For a large class of variational quantum circuits, we show how arbitrary-order derivatives can be analytically evaluated in terms of simple parameter-shift rules, i. e., by running the same circuit with different shifts of the parameters.
Quantum Physics
5 code implementations • 17 Dec 2019 • Andrea Mari, Thomas R. Bromley, Josh Izaac, Maria Schuld, Nathan Killoran
We extend the concept of transfer learning, widely applied in modern machine learning algorithms, to the emerging context of hybrid neural networks composed of classical and quantum elements.
1 code implementation • 16 Dec 2019 • Thomas R. Bromley, Juan Miguel Arrazola, Soran Jahangiri, Josh Izaac, Nicolás Quesada, Alain Delgado Gran, Maria Schuld, Jeremy Swinarton, Zeid Zabaneh, Nathan Killoran
Gaussian Boson Sampling (GBS) is a near-term platform for photonic quantum computing.
Quantum Physics Computational Physics
1 code implementation • 1 Oct 2018 • Brajesh Gupt, Juan Miguel Arrazola, Nicolás Quesada, Thomas R. Bromley
We determine the time and memory resources as well as the amount of computational nodes required to produce samples for different numbers of modes and detector clicks.
Quantum Physics
3 code implementations • 27 Jul 2018 • Juan Miguel Arrazola, Thomas R. Bromley, Josh Izaac, Casey R. Myers, Kamil Brádler, Nathan Killoran
In the simplest case of a single input state, our method discovers circuits for preparing a desired quantum state.
Quantum Physics
8 code implementations • 18 Jun 2018 • Nathan Killoran, Thomas R. Bromley, Juan Miguel Arrazola, Maria Schuld, Nicolás Quesada, Seth Lloyd
The quantum neural network is a variational quantum circuit built in the continuous-variable (CV) architecture, which encodes quantum information in continuous degrees of freedom such as the amplitudes of the electromagnetic field.