************************************ * QUANTUM OPTICS AND ATOM OPTICS * * IN AUSTRALASIA * * * * * * * * MONTHLY NEWSLETTER * * VOL X, NO 6 * * * CONTENTS: * June 2002 * * * 0. EDITORIAL NOTE * ISSN 1325-6467 * Edited by: 1. ABSTRACTS * * Alexei Gilchrist 2. VACANCIES * \ | / * Physics, University of Queensland, 3. BUY/SELL * \__|__/ * QLD 4072, Australia. 4. MISC NEWS * | * email: alexei@physics.uq.edu.au 5. CONFERENCES * | * phone: +61 7 3365 2422 * | * fax: +61 7 3365 1242 Available on WWW at: * * http://www.physics.uq.edu.au/qonews =============================================================================== 1. ABSTRACTS =============================================================================== Classical communication capacity is equal to the entanglement capability for two-qubit operations Dominic W. Berry, Barry C. Sanders quant-ph/0205181 Nonlocal operations underpin both classical communication and entanglement generation. We show that any nonlocal two-qubit operation enables additional classical communication in each direction equal to its capacity for entanglement. This equality strongly indicates a correspondence between the classical process of communication and the quantum process of entanglement generation. ------------------------------------------------------------------------------- Preparing encoded states in an oscillator B. C. Travaglione, G. J. Milburn quant-ph/0205114 Recently a scheme has been proposed for constructing quantum error-correcting codes that embed a finite-dimensional code space in the infinite-dimensional Hilbert space of a system described by continuous quantum variables. One of the difficult steps in this scheme is the preparation of the encoded states. We show how these states can be generated by coupling a continuous quantum variable to a single qubit. An ion trap quantum computer provides a natural setting for a continuous system coupled to a qubit. We discuss how encoded states may be generated in an ion trap. ------------------------------------------------------------------------------- A simple formula for the average gate fidelity of a quantum dynamical operation Michael A. Nielsen quant-ph/0205035 This note presents a simple formula for the average fidelity between a unitary quantum gate and a general quantum operation on a qudit, generalizing the formula for qubits found by Bowdrey et al [Phys. Lett. A 294, 258 (2002)]. This formula may be useful for experimental determination of average gate fidelity. We also give a simplified proof of a formula due to Horodecki et al [Phys. Rev. A 60, 1888 (1999)], connecting average gate fidelity to entanglement fidelity. ------------------------------------------------------------------------------- Tailoring teleportation to the quantum alphabet P. T. Cochrane, T. C. Ralph quant-ph/0205098 We introduce a refinement of the standard continuous variable teleportation measurement and displacement strategies. This refinement makes use of prior knowledge about the target state and the partial information carried by the classical channel when entanglement is non-maximal. This gives an improvement in the output quality of the protocol. The strategies we introduce could be used in current continuous variable teleportation experiments. ------------------------------------------------------------------------------- Non-deterministic Gates for Photonic Single Rail Quantum Logic A. P. Lund, T. C. Ralph quant-ph/0205044 We discuss techniques for producing, manipulating and measureing qubits encoded optically as vacuum and single photon states. We show that a universal set of non-deterministic gates can be constructed using linear optics and photon counting. We investigate the efficacy of a test gate given realistic detector efficiencies. =============================================================================== 2. VACANCIES =============================================================================== Lecturer in Theoretical Physics University of Queensland, Queensland, Australia, http://www.physics.uq.edu.au/level2/jobs/posi_theory.shtml Applications close: 31 July 2002 The School of Physical Sciences seeks to appoint a Lecturer, Senior Lecturer or Associate Professor in Theoretical Physics (5 years fixed term). The successful applicant will be a dynamic and innovative person with the potential to become or already be an internationally recognized research leader, and inspired teacher of both undergraduate and postgraduate students in Physics. The successful candidate should possess postgraduate qualifications (PhD level or equivalent) in theoretical physics and an outstanding record of theoretical research in one or more of the following areas: atom optics; laser physics; mesoscopic electronics; nonlinear optics; quantum chaos; quantum information/computation; quantum optics; condensed matter physics. For the appointment at higher levels, the candidate must demonstrate scientific leadership and success in obtaining research funding and be a highly recognized researcher internationally. ------------------------------------------------------------------------------- Dear Colleagues, I would like to bring to your attention that a three-year full-time position at Level B (one level higher than the typical range for postdoctoral appointments) has been advertised. The successful candidate will join the Quantum Information Processing (QUIP) project at Macquarie University and work closely with physicists and computer scientists within the framework of Macquarie University's Centre for Advanced Computing - Algorithms and Cryptography. Please share this information with anyone you know who might wish to apply. The advertisement, with details of the position and who to contact, can be found at the URL http://www.pers.mq.edu.au/ads/2002/May/19356.html and the deadline for applications is 30 August 2002. Please feel free to contact me for further information. Thanks very much for your time. Regards, Barry Sanders -- Professor Barry Sanders, Head, Department of Physics, Macquarie University (President-Elect, Australian Optical Society) Sydney, New South Wales 2109, Australia Room: E7A 211; Voice: +61-2 9850 8935; Fax: +61-2-9850 6598 http://www.physics.mq.edu.au/~barry/ ; Email: barry.sanders@mq.edu.au ------------------------------------------------------------------------------- Dear colleague, In the Institute of Physics at the Humboldt University Berlin a lecturer/researcher position in Modern Optics will soon become available. The deadline for applications is in about 4 weeks. Please find a poster for the position enclosed. I would be very grateful to you if you could post the announcement in your institute or/and bring the vacancy to the attention of people who might be suitable. -------- [poster converted from pdf: (ed.)] Announcement of an open position at the institute of physics at the Humboldt-University Berlin Lecturer/Researcher Modern Optics The position (BAT-O Ia) will be limited in time to a period of 4 years with a possible extension of another year. The applicant will be the leader of an independent research group and should have research experience in one or more of the following fields: * optics/quantum optics with nanostructures * Optical quantum technology * Optical precision measurements * new optical materials * novel light sources The position primarily aims at applicants from the field of theortical or computational physics. A close collaboration with other research groups in optics at the Humboldt-University, in particular with the experimental groups nano optics ond optical metrology is expected. The lecturer/researcher will participate in the local infrastructure. Additional financial and personnel support will be provided. Prerequisites for this position are a university degree, a physics doctorate, excellent publication record, suitable teaching and post-doctoral research experience. Additional information is available at oliver.benson@physik.hu-berlin.de. The application, together with the usual materials (CV, records, documents, list of publications, statement of research interest), should be sent to: Dekan der Mathematisch-Naturwissenschaftlichen Fakultat I Humboldt-Universitat zu Berlin Unter den Linden 6 10099 Berlin, Germany before June 30 2002. The official announcement was published in "Die Zeit" and is available at http://nlrelay.zeit.de/forschung.html -------- Thank you very much. Sincerely, Oliver Benson Prof. Dr. Oliver Benson Institut f?r Physik Humboldt-Universit?t zu Berlin Hausvogteiplatz 5-7 10117 Berlin Germany Phone: ++49-30-2093 4711 (office) ++49-30-83220226 (home) Fax: ++49-30-2093 4718 email: oliver.benson@physik.hu-berlin.de URL: http://nano.physik.hu-berlin.de =============================================================================== 5. CONFERENCES / WORKSHOPS =============================================================================== IQEC/LAT 2002: International Quantum Electronics Conference and International Conference on Lasers, Applications and Technologies 22-28 June 2002 Abstract and summary deadline 15 January 2002 Moscow, Russia http://www.ilc.msu.su/iqec2002/ The International Quantum Electronics Conference (IQEC) is the largest international conference featuring the fundamentals of quantum electronics, basic research in lasers, nonlinear and quantum optics, quantum information, and fundamental laser spectroscopy of atoms and condensed matter. IQEC 2002 is organized by the Russian Academy of Sciences and M. V. Lomonosov Moscow State University under the aegis of the International Council on Quantum Electronics (ICQE). The Conference on Lasers, Applications, and Technologies (LAT) provides a forum for an update and review of a wide range of laser technologies and applications including laser device development, processing of advanced materials, optical information technologies, biomedicine and ecology applications. The meeting serves to stimulate the use of more mature optical technologies in different fields. LAT 2002 is organized by the Russian Academy of Sciences, Ministry of Industry, Science and Technology of the Russian Federation, and SPIE/Russia. ------------------------------------------------------------------- 2002 Australian Institute Of Physics Congress 8 - 11 July, 2002 Sydney, Australia http://www.aip.org.au/Congress2002/ ------------------------------------------------------------------- International Conference on Quantum Information 13th-18th July 2002 Deadline for abstract of contributed papers: March 15, 2002 Registration: May 31, 2002 Oviedo, Spain http://www.uniovi.es/Congresos/2001/QI/Welcome.html The main topics of the Conference will include * Quantum Information * Recent Theoretical and Experimental Progress in Quantum Information Processing * Quantum Computation * Conceptual Issues on the Foundations of Quantum Theory ------------------------------------------------------------------- QCM&C'02: Sixth International Conference on Quantum Communication, Measurement and Computing July 22-26, 2002 Deadline for papers: March 15, 2002 Pre-conference registration deadline is 5 July 2002 Massachusetts Institute of Technology http://rleweb.mit.edu/QCMC/ The previous meetings in this series, drew together researchers from many countries and covered topics in quantum information theory, theoretical and experimental aspects of quantum computing, quantum communication systems, cryptography, new quantum effects and their experimental realizations, generation detection and applications of nonclassical light, quantum noise, stochastic processes and filtering, and quantum measurement theory. These same topics will be covered at QCM&C'02. ------------------------------------------------------------------- AMO SUMMER SCHOOL 21 - 26 July, 2002 April 1: early registration deadline (save $ 70) May 19: deadline for submission of abstracts for poster sessions July 1: pre-conference registration deadline Cambridge, Massachusetts, USA A summer school will be held at MIT the week preceding the ICAP 2002 conference, July 21 to July 26, 2002. Its director is Dan Kleppner. It will be sponsored by the Center for Ultracold Atoms at MIT and Harvard. Lectures at the summer school will be at the level of the MIT graduate course in Atomic and Optical Physics. They will cover foundational topics such as atoms in electromagnetic fields, forces on atoms, resonance, spectroscopy, coherence, and collisions. The target audience is graduate students or postdocs starting research in atomic physics. ------------------------------------------------------------------- ICAP 2002: Eighteenth International Conference on Atomic Physics July 28 to August 2, 2002 Early Registration: April 1 Abstracts for posters: May 19 Cambridge, Massachusetts, USA http://cua.mit.edu/icap2002/ The meeting will feature invited talks and posters on the latest developments in Atomic Physics. Topics include atomic tests of fundamental theories, laser spectroscopy, laser cooling and trapping, Bose-Einstein condensation, quantum optics and coherence, atom optics, precision measurements, atomic clocks, atoms in intense laser fields, quantum control, quantum information, atomic structure and atomic collisions. ------------------------------------------------------------------- ISQCI 2002: International School on Quantum Computation and Information 2 - 7 September 2002 The application deadline is the 26th of April 2002 The number of participants to the School is limited to about 60. Lisbon, Portugal http://www.qubit.org/school2002/index.htm The objective of this school is to offer a pedagogic and fairly comprehensive introduction to the emerging field of Quantum Computation and Information, covering both the theoretical and the experimental sides. The school is aimed at those who are considering to start working in this field or at least would like to learn more about it. We therefore welcome applications not only from students, but also from researchers in other areas of physics, as well as mathematicians, computer scientists and engineering scientists. ------------------------------------------------------------------- DICE2002 Decoherence, Information, Complexity and Entropy 2 - 6 September, 2002 Piombino (Tuscany) http://omnis.if.ufrj.br/~thomas/DICEhp.html To stimulate interdisciplinary discussion on fundamental interactions, cosmology, quantum theory, quantum information processing, nonlinear dynamics, and complex systems: ------------------------------------------------------------------- EQIS 2002: ERATO Workshop on Quantum Information Science 6 - 8 September, 2002 Submission Deadline : (communications) July 15, 2002 (posters) July 31, 2002 Early Registration Deadline : August 9, 2002 Tokyo, Japan http://www.qci.jst.go.jp/eqis02/ The Workshops EQIS are to focus on quantum information science, a new interdisciplinary field bridging computer science and quantum physics. EQIS'02 will be the second workshop in a series of such workshops and is to concentrate, primarily, on theoretical aspects of quantum information science. ------------------------------------------------------------------- 3rd European QIPC Workshop 15 - 18 September, 2002 Registration Deadline: Monday 5th August 2002 Dublin, Ireland http://www.quiprocone.org/Dublin/dublinworkshop.htm Limited spaces available, no registration fee. The purpose of the workshop is to promote interaction across the broad subject area of QIPC. Session chairs will begin with a short introductory review of their session's area to put in context the session contributions within the wider arena of QIPC. Talks from invited speakers will be accessible to a wide multi-disciplinary QIPC audience, which will include both theorists and experimentalists. ------------------------------------------------------------------- EuroConference on Quantum Atom Optics: From Quantum Science to Technology 21 - 26 September 2002 Applications by 15 May 2002 San Feliu de Guixols, Spain http://www.esf.org/esf_euresco_list.php?language=0&year=2002 Quantum Optics has proven to be a uniquely dynamic field in physics capable of taking up new ideas and developments. At the centre of Quantum Optics is the study of quantum phenomena and quantum processes, which are now becoming increasingly relevant for emerging technologies. The 2002 Quantum Optics conference will have its emphasis on the coherent manipulation of quantum systems and on the quantum physics of coherent matter, with high level contributions from leading research groups. Sessions will be devoted to topical subjects such as quantum atom optics, atom lasers, molecules and interactions, and quantum information processing. A key session will be on technologies emerging from Quantum Optics. ------------------------------------------------------------------- International Symposium "Quantum informatics-2002" - QI-2002 1-4 October , 2002 Near Zvenigorod (Moscow region), Russia First announcement and call for papers http://qc.ipt.ac.ru/English/QI-2002-eng.html QI -2002 - is the first in Russia symposium on new scientific area - quantum informatics. It is planned to talk about the theory of quantum computations and communications, the recent situation with its experimental realization and perspectives of this area. ------------------------------------------------------------------- International Conference On "Quantum Entanglement, Complexity And The Physical Basis For Quantum Computation" 2-6 December 2002 Deadline for applications: October 10,2002 Rio de Janeiro, Brazil http://www.cbpf.br/q-entanglement/ Quantum entanglement is at the physical basis of quantum computation, quantum cryptography and quantum teleportation. On the other hand, its intrinsic nonlocality provides a bridge to complexity and, generally speaking, to nonextensive statistical systems. The conference intends to provide a forum for the discussion of the subject from fresh and varied perspectives. An attempt will be made to merge general features of the subject and state of the art in experimental and theoretical aspects. From the experimental standpoint, techniques such as nuclear magnetic resonance, optics and superconducting devices will be addressed. From the theoretical standpoint, connections with entropy, nonextensive statistical mechanics and related quantum information matters will be emphasized. ======================================================================= Bat-Sheva Seminar on Quantum Mechanics of Ultracold Matter and Quantum Information February 11-16, 2003 Ein Gedi, Israel http://www.weizmann.ac.il/conferences/qumran/ The Bat-sheva seminar on QUANTUM MECHANICS OF ULTRACOLD MATTER AND QUANTUM INFORMATION (QUMRAN) is a joint winter school and conference which brings together leading researchers with the goal of educating students/non-experts while functioning as a high level scientific conference. This meeting will be held in conjunction with FRISNO-7, the seventh French Israeli Conference on Non-linear Optics. ------------------------------------------------------------------- FRISNO-7: French-Israeli Symposium on Nonlinear and Quantum Optics February 16-21, 2003 Ein Gedi, Israel http://www.weizmann.ac.il/frisno/ FRISNO-7, the Seventh conference in the series of French Israeli Conferences on Nonlinear and Quantum Optics is moving along, and we are looking forward to a very productive meeting. In recent years, the conferences have acquired a general European flavor due to very active participation of scientists from several other European countries. As usual, Frisno will maintain its broad spectrum of subjects to be covered, and presentations will be selected from among the submitted abstracts, in addition to invited speakers from France, Israel and other countries. ------------------------------------------------------------------- ICOLS 03: 16th International Conference on Laser Spectroscopy 13-18 July 2003 Palm Cove, AUSTRALIA Following the tradition of ICOLS conferences, the program will consist of single sessions of invited talks and posters covering the latest developments in Laser Spectroscopy and related topics. Scheduling will allow significant time for informal discussions. The number of participants will be limited to about 250-300.