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Event Videos

September 2, 2020
Speaker: Tomas Jochym-O'Connor (IBM T.J. Watson Research Center)

The disjointness for stabilizer codes in quantum error correction is an algebraic quantity tied to the structure of the stabilizer generators of a code.

August 19, 2020
Speaker: Ido Kaminer (Technion –­­ Israel Institute of Technology)

Research of cavity quantum electrodynamics (CQED) has enabled new capabilities in quantum optics, quantum computation, and various quantum technologies.

August 5, 2020
Speaker: Jacques Carolan (Niels Bohr Institute at the University of Copenhagen)

Photons play a central role in many areas of quantum information science, either as qubit themselves or to mediate interactions between long-lived matter based qubits.

July 22, 2020
Speaker: Rafał Demkowicz-Dobrzański (University of Warsaw, Poland)

ABSTRACT: I will review the most recent advances in the theoretical methods of quantum metrology, focusing on the quantum information related concepts such as quantum error-correction and matrix product states formalism.

June 24, 2020
Speaker: Paul G. Kwiat (University of Illinois at Urbana-Champaign)

Despite their many applications over the last decades, entangled and single-photon sources from probabilistic sources such as spontaneous parametric downconversion have limited performance due to the presence of unwanted multi-pair events.  For example, it is not possible to produce a heral

June 17, 2020
Speaker: Mohammad Hafezi (University of Maryland)

With the advances of quantum simulators in implementing various quantum many-body states, it is important to find efficient ways to characterize and measure many-body states, without resorting to full quantum state tomography.

May 27, 2020
Speaker: Liang Jiang (University of Chicago)

Bosonic modes are widely used for quantum communication and information processing.

April 15, 2020
Speaker: Mark Wilde (Louisiana State University)

The generalized amplitude damping channel (GADC) is one of the sources of noise in superconducting-circuit-based quantum computing.

April 1, 2020
Speaker: Adam Kaufman

The development of microscopic detection of ensembles of neutral atoms has transformed our ability to study complex many-body systems.

March 18, 2020
Speaker: Stefan Leichenauer, X (formerly Google X)
March 4, 2020
Speaker: Stanford PULSE Institute and Stanford PhD candidate

Ultrafast Spectroscopy of Quantum Materials

February 19, 2020
Speaker: Stanislav Fort, PhD candidate (Stanford)

Quantum State Tomography is the task of determining an unknown quantum state by making measurements on identical copies of the state.

February 5, 2020
Speaker: Prof. Jakob Reichel (Laboratoire Kastler Brossel, Paris)
Atom-Photon interaction is everywhere in quantum information, and it is never good enough.
January 29, 2020
Speaker: Vedika Khemani

Time crystals are new states of matter that only exist in an out-of-equilibrium setting. I will review the state of this rapidly evolving field, focusing in particular on some of the remarkable properties of this phase, and the surprises coming out of its study.

November 6, 2019
Speaker: Soonwon Choi, UC Berkeley

Open quantum systems can display rich dynamics of quantum information: the information may be scrambled within the system, leaked to an environment, or shared between the system and the environment.

October 23, 2019
Speaker: Tibor Rakovszky (Technical University, Munich)

The far-from-equilibrium dynamics of closed quantum systems has become a central topic in condensed matter physics, due to incredible experimental advances in cold atomic and other systems.

August 14, 2019
Speaker: Johannes Zeiher

Quantum simulations based on laser-cooled atomic gases have started to fulfill Feynman's vision of using well controlled quantum systems to obtain insight into problems which are hard to tackle on classical computers.

March 27, 2019
Speaker: Stephen Kuenstner (Stanford)

Advances in quantum sensors is enabling tabletop experiments to probe particle physics beyond the standard model, including searching for dark matter.

March 27, 2019
Speaker: Alex Sushkov (Boston University)

The nature of dark matter is one of the most important open problems in modern physics. Axions, originally introduced to resolve the strong CP problem in quantum chromodynamics (QCD), and axion-like particles, are strongly motivated dark matter candidates.

March 13, 2019
Speaker: Yudan Guo

Ultracold atoms trapped in multimode optical resonators present new opportunities for studying interacting many-body systems. I will present our first experiment on studying photon-mediated atom-atom interactions in a confocal multimode cavity.

Approximate quantum error correction and symmetries | Sepehr Nezami
February 27, 2019
Speaker: Sepehr Nezami | Patricio Arrangoiz-Arriola

Approximate quantum error correction and symmetriesSepehr Nezami. Contributing Authors: Philippe Faist, Victor V.

Resolving the energy levels of a mechanical oscillator | Patricio Arrangoiz-Arriola
February 27, 2019
Speaker: Sepehr Nezami | Patricio Arrangoiz-Arriola

Approximate quantum error correction and symmetriesSepehr Nezami. Contributing Authors: Philippe Faist, Victor V.

February 13, 2019
Speaker: Aaron Sharpe

When two sheets of graphene are stacked at a small twist angle, the resulting flat superlattice minibands are expected to strongly enhance electron-electron interactions.

February 13, 2019
Speaker: Tatsuhiro Onodera

The ultrashort-pulse optical parametric oscillator (OPOs) below threshold has been engineered to generate multimode squeezing and entanglement among the various frequency components of the broadband pulses.

January 16, 2019
Speaker: Emily Davis

Photon-mediated interactions among atoms coupled to an optical cavity are a powerful tool for engineering quantum many-body Hamiltonians.

January 16, 2019
Speaker: Rahul Trivedi

Scattering matrices have been a key theoretical tool for the analysis of quantum field theories.