Skip to content. | Skip to navigation

You are here: Home » Physics & Astronomy » Faculty » Bergou
Document Actions


JB2 János A. Bergou

Professor of Physics
Hunter College of the City University of New York
Office: Room 1205 HN
Tel: 212-772-5254
Fax: 212-772-5390

Research Interests:

Quantum optics, laser physics, cavity QED and micromasers, nonlinear optics, resonance fluorescence, squeezing and non-classical radiation, quantum information and quantum computing, quantum measurement theory.


Diploma (M.S.) Eötvös University, Budapest, Hungary 1970
Ph.D. Eötvös University, Budapest, Hungary 1975
CSc. (Habilitation) Hungarian Academy of Sciences 1982
DSc. (Doctor of Sciences) Hungarian Academy of Sciences 1994


CUNY Hunter College Professor (early tenure with promotion) 1994-date
  Associate Professor 1990-1994
Central Research Institute for Physics
(Hungarian Acad. Sci., Budapest)
Senior Scientist 1983-date
(on leave since
  Research Scientist 1970-1983

Long term visiting positions:

Institute of Physics,
Janus Pannonius University,Pécs, Hungary
Director (during sabbatical
Center for Advanced Studies
(Univ. of New Mexico)
Visiting Professor 1986-1988
Institute for Theoretical Physics,
Univ. of Innsbruck, Austria
Visiting Professor 1996-1997
(winter term)
Max-Planck-Institute for Quantum Optics
Garching, Germany
Humboldt Fellow 1983-1984
Centre d'Etudes Atomiques,
CEN Saclay, France
Visiting Scholar 1976
P. N. Lebedev Physical Institute,
Moscow, USSR
Visiting Scholar 1974

Recent Publications:

J. Bergou and. M. Hillery, A universal programmable quantum state discriminator that is optimal for unambiguously distinguishing between unknown states, Physical Review Letters 94, 160501 (2005). (PDF)

J. Bergou and M. Hillery, Quantum state filtering applied to the discrimination of Boolean functions, Physical Review A 72, 012302 (2005). (PDF)

U. Herzog and J. Bergou, Unambiguous discrimination of mixed quantum states, Physical Review A 71, 050301R (2005). (PDF)

J. Bergou, U. Herzog, and M. Hillery, Optimal unambiguous filtering of a quantum state: An instance in mixed state discrimination, Physical Review A 71, 042314 (2005). (PDF)
E. Andersson, J. Bergou, and I. Jex, Comparison of unitary transforms using Franson interferometry, Journal of Modern Optics 52, 1485 (2005). (PDF)

U. Herzog and J. Bergou, Distinguishing mixed quantum states: Minimum-error discrimination versus optimum unambiguous discrimination, Physical Review A 70, 022302 (2004). (PDF)

M. Mohseni, A. Steinberg, and J. Bergou, Optical realization of optimal unambiguous discrimination for pure and mixed quantum states, Physical Review Letters 93, 200403 (2004). (PDF)

J. Bergou, U. Herzog, and M. Hillery, Discrimination of quantum states, Ch. 11: invited review article in Lecture Notes in Physics vol. 649: Quantum state estimation, M. Paris and J. Rehacek eds. (Springer, Berlin, 2004) pp. 417-465. (PDF)

J. Bergou, U. Herzog, and M. Hillery, Quantum state filtering and discrimination between sets of Boolean functions, Physical Review Letters 90, 257901 (2003). (PDF)

[Full list]

”In compliance with the American Disability Act of 1990 (ADA) and with Section 504 of the Rehabilitation Act of 1973, Hunter College is committed to ensuring educational parity and accommodations for all students with documented disabilities and/or medical conditions. It is recommended that all students with documented disabilities (Emotional, Medical, Physical and/ or Learning) consult the Office of AccessABILITY located in Room E1124 to secure necessary academic accommodations. For further information and assistance please call (212- 772- 4857)/TTY (212- 650- 3230).”

Hunter College regards acts of academic dishonesty (e.g., plagiarism, cheating on examinations, obtaining unfair advantage, and falsification of records and official documents) as serious offenses against the values of intellectual honesty.
The college is committed to enforcing the CUNY Policy on Academic Integrity and will pursue cases of academic dishonesty according to the Hunter College Academic Integrity Procedures.


Last Updated on Feb 3, 2006

« May 2024 »
Go to full calendar…