The new field of quantum information is inherently multidisciplinary, drawing together researchers from a variety of backgrounds to work on a common set of problems. An important task of the Center for Quantum Information is to facilitate the communication between these researchers, both inside the Center and wherever quantum information is studied. In order to encourage communication we have held weekly informal research seminars, a formal workshop, hosted the 2002 Canadian-American Cross-Border Workshop, and the first International Conference on Quantum Information.



2002 Cross-Border Workshop on Quantum Correlation and Nonlinear Photon Physics

The Cross Border Workshop is held annually bringing together scientists working in atomic, molecular and optical science and engineering from around the Great Lakes region.
The workshop allows graduate students and post-docs to present their research and interact with scientists in an informal setting.  Sixty students, professors, and researchers from universities and research laboratories gathered for three days on the University of Rochester campus to hear a series of tutorials and review current research interests.  The Workshop was jointly sponsored by the Center for Quantum Information and the Rochester Theory Center.

Theme for 2002

This year's focus was on Quantum Correlation and Nonlinear Photon Physics. Research topics include (but are not limited to):

  • Ultrafast and Strong-Field Physics
  • Quantum Information
  • Nonlinear and Fiber Optics


Guest Speakers at the Quantum Information Workshop

Professor Peter Knight
Imperial College, University of London, UK
"Quantum Communication & Quantum Information Processing"

Professor Krzysztof Wodkiewicz
Institute of Theoretical Physics
University of Warsaw, Poland
"Interference, Entanglement and Nonlocality in Phase Space"

Participants at the Quantum Information Workshop

Toby Berger Cornell University
Charles Bowden Redstone Arsenal
Carl Caves University of New Mexico
Ike Chuang IBM
Artur Ekert University of Oxford
James Franson Johns Hopkins University
Mark Heiligman NSA
Daniel James Los Alamos National Laboratory
Poul Jessen University of Arizona
Peter Knight University of London
Charles Marcus Stanford University
Keith Miller NSA
Eugene Polzik Aarhus University
Ricart Slusher Bell Laboratories/ Lucent Technologies
Lijun Wang NEC
Birgitta Whaley University of California/ Berkeley
David Wineland NIST, Boulder
Kzysztof Wodkiewicz University of Warsaw

Q.I. Workshop Participants from University of Rochester

Nick Bigelow Physics and Astronomy
Mark Bocko Electrical & Computer Engineering
Robert Boyd Institute of Optics
Joseph Eberly Physics and Astronomy
Marc Feldman Electrical & Computer Engineering
Carlos Stroud Institute of Optics
Ed Titlebaum Electrical & Computer Engineering
Ian Walmsley Institute of Optics

International Conference on Quantum Information

In the second week in June, 2001 approximately 350 scientists from more than 20 countries gathered at the University of Rochester campus for a pair of meetings, the First International Conference on Quantum Information (ICQI), and the Eighth Conference on Coherence and Quantum Optics. The ICQI conference was generally acknowledged as an important milestone in the new field, and it was decided that a regular series of these conferences will be held biannually at various sites around the world. The second, chaired by Peter Knight, will be held at Oxford University in June 2003. A description of the conference including the program is archived by the Optical Society of America. A photographic record of the conference including candid shots of many of the pioneers of the field may be accessed at

Public Lectures

Members of the Center have given several lectures to acquaint the public with the field of quantum information.

a) Professor Joseph Eberly (University of Rochester) was invited by the Friends of the Rochester Public Library to speak to attendees of their regular Evening Lecture Series called Thursday Thinkers. The title to which he was asked to respond was "Beam Me Up Scotty - The New World of Quantum Physics." Speaking in laymanís terms, Prof. Eberly's talk traced highlights in the evolution of quantum physics: from Planck's introduction of a new universal constant to explain blackbody radiation, through Einstein's inspired creation of stimulated emission, to his doubts about quantum theory, as expressed in the famous EPR paper. The roles of Bohm, Bell, Clauser and Mandel in resolving the "EPR paradox" were mentioned and the process of teleportation described semi-technically. His half-hour talk generated over an hourís worth of "questions and answers."

b) Professor Carlos Stroud (University of Rochester) gave a lecture to industrial scientists at the Rochester Section Ė Optical Society of America entitled "Quantum Information: Technology of the Future," November 2001. Prof. Stroud also gave lectures on this topic to general audiences at the University of Alabama and Truman State University as part of the Distinguished Traveling Lecturer Program of the Division of Atomic, Molecular and Optical Physics of the American Physical Society. These lectures were presented in May 2001.


New Graduate Course

The MURI at Stanford has stimulated the creation of a graduate course, AP225 Quantum Information, Dr. Yoshi Yamamoto, Professor. Below is the course description as it appears in the Stanford Graduate Bulletin:

AP225. Quantum Information ó Fundamental concepts of quantum theory: linear superposition, entanglement, non-locality and projective measurement. Two photon interference and Bellís inequality.

Fundamental limit in quantum measurement: quantum nondemolition measurement, non-linear measurement and quantum Zero effect.

Quantum key distribution and teleportation: information, energy dissipation and reversible computer. Quantum algorithm, physical implementation and scaling law. Quantum hardware. Decoherence of quantum systems and quantum error correction codes.


Informal Research Seminars

Weekly collaborative group meetings are held by Professors Bigelow, Eberly, Feldman, Stroud, and Walmsley at the University of Rochester. These meetings span a range of research areas and encourage collaborative efforts. Some typical presentations include:
  • Dr. Jin Wang: "Feedback in Quantum Systems." (4 lectures)
  • Dr. Ting Yu: "Overview of Non-Markovian Effects in Open Systems."
  • Ashok Muthukrishnan: "Angular Momentum Entanglement in a Trapped Atom."
  • Xingxiang Zhou: "Superconducting Quantum Computation: charge and flux qubits." (3 lectures)
  • Professor Stroud: "Quantum Mechanics at the Quantum-Classical Interface." (2 lectures)
  • Professor Eberly: "Heisenberg Picture and
    Spontaneous Noise Operators."
  • Professor Feldman: "Superconducting Quantum Interference Devices." (4 lectures).


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