1 code implementation • 30 Nov 2022 • Haoxiang Wang, Maurice Weber, Josh Izaac, Cedric Yen-Yu Lin
For many ground states of gapped Hamiltonians, generative models can learn from measurements of a single quantum state to reconstruct the state accurately enough to predict local observables.
1 code implementation • 9 Mar 2021 • J. Eli Bourassa, Nicolás Quesada, Ilan Tzitrin, Antal Száva, Theodor Isacsson, Josh Izaac, Krishna Kumar Sabapathy, Guillaume Dauphinais, Ish Dhand
We demonstrate how useful classes of bosonic qubits -- Gottesman-Kitaev-Preskill (GKP), cat, and Fock states -- can be simulated using this formalism, opening the door to investigating the behaviour of bosonic qubits under Gaussian channels and measurements, non-Gaussian transformations such as those achieved via gate teleportation, and important non-Gaussian measurements such as threshold and photon-number detection.
Quantum Physics
no code implementations • 10 Jan 2020 • Seth Lloyd, Maria Schuld, Aroosa Ijaz, Josh Izaac, Nathan Killoran
Quantum classifiers are trainable quantum circuits used as machine learning models.
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
2 code implementations • 4 Sep 2019 • James Stokes, Josh Izaac, Nathan Killoran, Giuseppe Carleo
A quantum generalization of Natural Gradient Descent is presented as part of a general-purpose optimization framework for variational quantum circuits.
no code implementations • 27 Nov 2018 • Maria Schuld, Ville Bergholm, Christian Gogolin, Josh Izaac, Nathan Killoran
An important application for near-term quantum computing lies in optimization tasks, with applications ranging from quantum chemistry and drug discovery to machine learning.
Quantum Physics
26 code implementations • 12 Nov 2018 • Ville Bergholm, Josh Izaac, Maria Schuld, Christian Gogolin, Shahnawaz Ahmed, Vishnu Ajith, M. Sohaib Alam, Guillermo Alonso-Linaje, B. AkashNarayanan, Ali Asadi, Juan Miguel Arrazola, Utkarsh Azad, Sam Banning, Carsten Blank, Thomas R Bromley, Benjamin A. Cordier, Jack Ceroni, Alain Delgado, Olivia Di Matteo, Amintor Dusko, Tanya Garg, Diego Guala, Anthony Hayes, Ryan Hill, Aroosa Ijaz, Theodor Isacsson, David Ittah, Soran Jahangiri, Prateek Jain, Edward Jiang, Ankit Khandelwal, Korbinian Kottmann, Robert A. Lang, Christina Lee, Thomas Loke, Angus Lowe, Keri McKiernan, Johannes Jakob Meyer, J. A. Montañez-Barrera, Romain Moyard, Zeyue Niu, Lee James O'Riordan, Steven Oud, Ashish Panigrahi, Chae-Yeun Park, Daniel Polatajko, Nicolás Quesada, Chase Roberts, Nahum Sá, Isidor Schoch, Borun Shi, Shuli Shu, Sukin Sim, Arshpreet Singh, Ingrid Strandberg, Jay Soni, Antal Száva, Slimane Thabet, Rodrigo A. Vargas-Hernández, Trevor Vincent, Nicola Vitucci, Maurice Weber, David Wierichs, Roeland Wiersema, Moritz Willmann, Vincent Wong, Shaoming Zhang, Nathan Killoran
PennyLane's core feature is the ability to compute gradients of variational quantum circuits in a way that is compatible with classical techniques such as backpropagation.
2 code implementations • 12 Sep 2018 • Krishna Kumar Sabapathy, Haoyu Qi, Josh Izaac, Christian Weedbrook
We introduce architectures for near-deterministic implementation of fully tunable weak cubic phase gates requisite for universal quantum computation.
Quantum Physics Optics
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 • 9 Apr 2018 • Nathan Killoran, Josh Izaac, Nicolás Quesada, Ville Bergholm, Matthew Amy, Christian Weedbrook
We introduce Strawberry Fields, an open-source quantum programming architecture for light-based quantum computers.
Quantum Physics Computational Physics