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In SPACE November 2012
Aerospace Review Mandated by the Government of Canada Volume 2 Reaching Higher: Canada’s Interests and Future in SPACE November 2012 www.aerospacereview.ca Cover satellite image: ©MacDonald, Dettwiler and Associates Ltd. (MDA) For additional copies of this publication, please contact: Publishing and Depository Services Public Works and Government Services Canada Ottawa ON K1A 0S5 Telephone (toll-free): 1-800-635-7943 (Canada and U.S.) Telephone (local): 613-941-5995 TTY: 1-800-465-7735 Fax (toll-free): 1-800-565-7757 (Canada and U.S.) Fax (local): 613-954-5779 Email: [email protected] Website: publications.gc.ca This publication is available upon request in accessible formats (Braille and large print). Contact: Multimedia Services Communications and Marketing Branch Industry Canada Email: [email protected] This publication is also available online at aerospacereview.ca Permission to Reproduce Except as otherwise specifically noted, the information in this publication may be reproduced, in part or in whole and by any means, without charge or further permission from Industry Canada, provided that due diligence is exercised in ensuring the accuracy of the information reproduced; that Industry Canada is identified as the source institution; and that the reproduction is not represented as an official version of the information reproduced, nor as having been made in affiliation with, or with the endorsement of, Industry Canada. For permission to reproduce the information in this publication for commercial redistribution, -
Concerning Stephen Hawking's Claim That Philosophy Is Dead1
Filozofski vestnik | Volume XXXIII | Number 2 | 2012 | 11–22 Graham Harman* Concerning Stephen Hawking’s Claim that Philosophy is Dead1 The relations at present between philosophy and the sciences are not especially good. Let’s begin with Stephen Hawking’s famous words at the May 2011 Google Zeitgeist conference in England:1 […] almost all of us must sometimes wonder: Why are we here? Where do we come from? Traditionally, these are questions for philosophy, but philosophy is dead. Philosophers have not kept up with modern developments in science. Particularly physics. Scientists have become the bearers of the torch of discovery in our quest for knowledge.2 According to Hawking, philosophy is dead. Others are more generous and claim only that philosophy will be dead in the near future, and only partly dead. For example, brain researcher Wolf Singer tells us that he is interested in philoso- phy for two reasons: !rst because “progress in neurobiology will provide some answers to the classic questions in philosophy,” and second because “progress in the neurosciences raises a large number of new ethical problems, and these need to be addressed not only by neurobiologists but also by representatives of the humanities.”3 In other words, Singer is interested in philosophy as a poten- tial takeover target for the neurosciences, though he reassures us that philoso- phers should not fear this ambition, since Singer still needs ethics panels that will “also” include representatives of the humanities alongside neurobiologists. 11 Having escaped its medieval status as the handmaid of theology, philosophy will enter a new era as the ethical handmaid of the hard sciences. -
Multi-Dimensional Entanglement Transport Through Single-Mode Fibre
Multi-dimensional entanglement transport through single-mode fibre Jun Liu,1, ∗ Isaac Nape,2, ∗ Qianke Wang,1 Adam Vall´es,2 Jian Wang,1 and Andrew Forbes2 1Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China. 2School of Physics, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa (Dated: April 8, 2019) The global quantum network requires the distribution of entangled states over long distances, with significant advances already demonstrated using entangled polarisation states, reaching approxi- mately 1200 km in free space and 100 km in optical fibre. Packing more information into each photon requires Hilbert spaces with higher dimensionality, for example, that of spatial modes of light. However spatial mode entanglement transport requires custom multimode fibre and is lim- ited by decoherence induced mode coupling. Here we transport multi-dimensional entangled states down conventional single-mode fibre (SMF). We achieve this by entangling the spin-orbit degrees of freedom of a bi-photon pair, passing the polarisation (spin) photon down the SMF while ac- cessing multi-dimensional orbital angular momentum (orbital) subspaces with the other. We show high fidelity hybrid entanglement preservation down 250 m of SMF across multiple 2 × 2 dimen- sions, demonstrating quantum key distribution protocols, quantum state tomographies and quantum erasers. This work offers an alternative approach to spatial mode entanglement transport that fa- cilitates deployment in legacy networks across conventional fibre. Entanglement is an intriguing aspect of quantum me- chanics with well-known quantum paradoxes such as those of Einstein-Podolsky-Rosen (EPR) [1], Hardy [2], and Leggett [3]. -
Year in Review 2013
SM_Dec_2013 cover Worldwide Satellite Magazine December 2013 SatMagazine 2013 YEAR IN REVIEW SatMagazine December 2013—Year In Review Publishing Operations Senior Contributors This Issue’s Authors Silvano Payne, Publisher + Writer Mike Antonovich, ATEME Mike Antonovich Robert Kubbernus Hartley G. Lesser, Editorial Director Tony Bardo, Hughes Eran Avni Dr. Ajey Lele Richard Dutchik Dave Bettinger Tom Leech Pattie Waldt, Executive Editor Chris Forrester, Broadgate Publications Don Buchman Hartley Lesser Jill Durfee, Sales Director, Editorial Assistant Karl Fuchs, iDirect Government Services Eyal Copitt Timothy Logue Simon Payne, Development Director Bob Gough, 21 Carrick Communications Rich Currier Jay Monroe Jos Heyman, TIROS Space Information Tommy Konkol Dybvad Tore Morten Olsen Donald McGee, Production Manager David Leichner, Gilat Satellite Networks Chris Forrester Kurt Peterhans Dan Makinster, Technical Advisor Giles Peeters, Track24 Defence Sima Fishman Jorge Potti Bert Sadtler, Boxwood Executive Search Simen K. Frostad Sally-Anne Ray David Gelerman Susan Sadaat Samer Halawi Bert Sadtler Jos Heyman Patrick Shay Jack Jacobs Mike Towner Casper Jensen Serge Van Herck Alexandre Joint Pattie Waldt Pradman Kaul Ali Zarkesh Published 11 times a year by SatNews Publishers 800 Siesta Way Sonoma, CA 95476 USA Phone: (707) 939-9306 Fax: (707) 838-9235 © 2013 SatNews Publishers We reserve the right to edit all submitted materials to meet our content guidelines, as well as for grammar or to move articles to an alternative issue to accommodate publication space requirements, or removed due to space restrictions. Submission of content does not constitute acceptance of said material by SatNews Publishers. Edited materials may, or may not, be returned to author and/or company for review prior to publication. -
Testing the Quantum-Classical Boundary and Dimensionality of Quantum Systems
Testing the Quantum-Classical Boundary and Dimensionality of Quantum Systems Poh Hou Shun Centre for Quantum Technologies National University of Singapore This dissertation is submitted for the degree of Doctor of Philosophy September 2015 Acknowledgements No journey of scientific discovery is ever truly taken alone. Every step along the way, we encounter people who are a great source of encouragement, guidance, inspiration, joy, and support to us. The journey I have embarked upon during the course of this project is no exception. I would like to extend my gratitude to my project partner on many occasion during the past 5 years, Ng Tien Tjeun. His humorous take on various matters ensures that there is never a dull moment in any late night lab work. A resounding shout-out to the ‘elite’ mem- bers of 0205 (our office), Tan Peng Kian, Shi Yicheng, and Victor Javier Huarcaya Azanon for their numerous discourses into everything under the sun, some which are possibly work related. Thank for tolerating my borderline hoarding behavior and the frequently malfunc- tioning door? I would like to thank Alessandro Ceré for his invaluable inputs on the many pesky problems that I had with data processing. Thanks for introducing me to world of Python programming. Now there is something better than Matlab? A big thanks also goes out to all of my other fellow researchers and colleagues both in the Quantum Optics group and in CQT. They are a source of great inspiration, support, and joy during my time in the group. Special thanks to my supervisor, Christian Kurtsiefer for his constant guidance on and off the project over the years. -
CURRICULUM VITAE Daniel Loss
CURRICULUM VITAE Daniel Loss Department of Physics Nationality: Swiss University of Basel Born: February 25, 1958, Winterthur (CH) Klingelbergstrasse 82 Marital status: Married, 2 children 4056 Basel, Switzerland [email protected]; quantumtheory.physik.unibas.ch Positions August 2020-2032: Co-Director and founding member of National Center on Spin Qubits (NCCR SPIN), University of Basel & IBM Zurich. Since May 2006: Co-Director of the Swiss Nanoscale Center SNI, University of Basel. Since April 2005: Director of the Center for Quantum Computing and Quantum Coherence (QC2), University of Basel. 1998-1999, 2004-2005, 2008-2010 Chairman, Department of Physics, University of Basel. Since Oct. 1996: Professor of Theoretical Physics (Ordinarius), University of Basel, Switzerland. Sept. 1995 { Sept. 1996: Associate Professor of Physics, Simon Fraser University, Vancouver, Canada. Jan. 1993 { Aug. 1995: Assistant Professor of Physics, Simon Fraser University, Vancouver, Canada. Sept. 1991 { Jan. 1993: Research Scientist, condensed matter theory division, IBM T. J. Watson Research Center, Yorktown Heights, USA. Oct. 1989 { Sept. 1991: Postdoctoral Research Fellow with Prof. A. J. Leggett (Nobel Laureate 2003) at the University of Illinois, Urbana, USA. Dec. 1985 { Sept. 1989: Postdoctoral Research Associate, University of Z¨urich. Education Aug. 1983 { Dec. 1985: Ph. D. student and teaching assistant at the Univ. of Z¨urich. Dissertation in statistical mechanics; advisor: Prof. A. Thellung. Oct. 1979 { July 1983: Study of theoretical physics at the University of Z¨urich; received diploma with distinction. Diploma thesis in general relativity; advisor: Prof. N. Straumann. Oct. 1977 { Oct. 1979: Medical School (1. & 2. Propaedeuticum), University of Z¨urich, then transfer to physics. -
Toward a New Science of Information
Data Science Journal, Volume 6, Supplement, 7 April 2007 TOWARD A NEW SCIENCE OF INFORMATION D Doucette1*, R Bichler 2, W Hofkirchner2, and C Raffl2 *1 The Science of Information Institute, 1737 Q Street, N.W. Washington, D.C. 20009, USA Email: [email protected] 2 ICT&S Center, University of Salzburg - Center for Advanced Studies and Research in Information and Communication Technologies & Society, Sigmund-Haffner-Gasse 18, 5020 Salzburg, Austria Email: [email protected], [email protected], [email protected] ABSTRACT The concept of information has become a crucial topic in several emerging scientific disciplines, as well as in organizations, in companies and in everyday life. Hence it is legitimate to speak of the so-called information society; but a scientific understanding of the Information Age has not had time to develop. Following this evolution we face the need of a new transdisciplinary understanding of information, encompassing many academic disciplines and new fields of interest. Therefore a Science of Information is required. The goal of this paper is to discuss the aims, the scope, and the tools of a Science of Information. Furthermore we describe the new Science of Information Institute (SOII), which will be established as an international and transdisciplinary organization that takes into consideration a larger perspective of information. Keywords: Information, Science of Information, Information Society, Transdisciplinarity, Science of Information Institute (SOII), Foundations of Information Science (FIS) 1 INTRODUCTION Information is emerging as a new and large prospective area of study. The notion of information has become a crucial topic in several emerging scientific disciplines such as Philosophy of Information, Quantum Information, Bioinformatics and Biosemiotics, Theory of Mind, Systems Theory, Internet Research, and many more. -
Canadian Journal of Remote Sensing Journal Canadien De Télédétection
October/octobre Volume 31, No. 5 2005 E-ISSN 1712-7971 CD-ISSN 1712-798X CANADIAN JOURNAL OF REMOTE SENSING JOURNAL CANADIEN DE TÉLÉDÉTECTION Special issue Earth observation of Canada’s landmass: results and future needs A workshop in honour of Josef Cihlar on the occasion of his retirement Ottawa, 30 September – 1 October 2004 Numéro spécial L’observation satellitaire de la masse continentale canadienne : résultats et besoins futurs Un atelier en l’honneur de Josef Cihlar à l’occasion de son départ à la retraite Ottawa, 30 septembre – 1 octobre 2004 Published by • Publié par Canadian Aeronautics and Space Institute Institut aéronautique et spatial du Canada 105 - 1750, croissant Courtwood Crescent Ottawa, Ontario, Canada K2C 2B5 Tel./Tél. : 613-234-0191, Fax/Téléc. : 613-234-9039 [email protected] www.casi.ca Canadian Journal of Remote Sensing / Journal canadien de télédétection British Columbia Editorial Board / N. O’Neill Colombie-Britannique Conseil éditorial Centre d’applications et de recherches en M. Wulder télédétection (CARTEL) Editor / Rédacteur Sherbrooke, Québec Prairie Provinces J.R. Buckley Provinces des Prairies Royal Military College of Canada A. Pietroniro A. Smith Kingston, Ontario National Hydrology Research Centre Saskatoon, Saskatchewan Ontario Associate Editors / Rédacteurs associés P. White R. Fournier B. Topliss Centre d’applications et de recherches en Fisheries & Oceans Officers of the Canadian Remote Quebec télédétection (CARTEL) Bedford Institute of Oceanography Sensing Society / Québec Sherbrooke, Québec Dartmouth, Nova Scotia Les officiers de la Société R. Fournier canadienne de télédétection J. Gower P.W. Vachon Atlantic Canada Fisheries & Oceans Defence R&D Canada – Ottawa Chair / président Provinces de l’Atlantique Institute of Ocean Sciences Ottawa, Ontario O. -
Hybrid Qubits Solve Key Hurdle to Quantum Computing 28 December 2018
Hybrid qubits solve key hurdle to quantum computing 28 December 2018 In 1998, Daniel Loss, one of the authors of the current study, came up with a proposal, along with David DiVincenzo of IBM, to build a quantum computer by using the spins of electrons embedded in a quantum dot—a small particle that behaves like an atom, but that can be manipulated, so that they are sometimes called "artificial atoms." In the time since then, Loss and his team have endeavored to build practical devices. There are a number of barriers to developing practical devices in terms of speed. First, the device must be able to be initialized quickly. Initialization is the process of putting a qubit into a certain state, and if that cannot be done rapidly it slows down the device. Second, it must maintain coherence for a time long enough to make a measurement. Coherence refers to the Schematic of the device. Credit: RIKEN entanglement between two quantum states, and ultimately this is used to make the measurement, so if qubits become decoherent due to environmental noise, for example, the device Spin-based quantum computers have the potential becomes worthless. And finally, the ultimate state to tackle difficult mathematical problems that of the qubit must be able to be quickly read out. cannot be solved using ordinary computers, but many problems remain in making these machines While a number of methods have been proposed scalable. Now, an international group of for building a quantum computer, the one proposed researchers led by the RIKEN Center for Emergent by Loss and DiVincenzo remains one of the most Matter Science have crafted a new architecture for practically feasible, as it is based on quantum computing. -
View Annual Report
SHAREHOLDER CORPORATE DESCRIPTION INFORMATION The Annual General Meeting of shareholders Research In Motion is a world leader in designing, will be held on Tuesday, July 14th, 1998 manufacturing and marketing wireless consumer and at 5:00 p.m. at the Canadian Clay and Glass Museum, 25 Caroline Street North, business-to-business electronic access technology for the Waterloo, Ontario. rapidly emerging mobile personal communications market. Corporate Office Its product portfolio includes two-way pagers, wireless PC card Research In Motion Limited adapters and embedded OEM radio modems. These products 295 Phillip Street Waterloo, Ontario, N2L 3W8 are sold to a range of major multinational companies, including Manufacturing Facility wireless network suppliers, original equipment manufacturers, Research In Motion Limited and value-added resellers. The Company is listed on The Toronto 131 Shoemaker Street Stock Exchange under the symbol RIM. Kitchener, Ontario, N2E 3B5 Shareholder Enquiries Dennis Kavelman, Chief Financial Officer Research In Motion Limited 295 Phillip Street Waterloo, Ontario, N2L 3W8 FISCAL 1998 AT A GLANCE: T (519) 888-7465 F (519) 888-6906 Email: [email protected] • Increased sales 175% to $33.2 million Transfer Agent • Raised $105 million in IPO and became TSE listed The Trust Company of the Bank of Montreal • Received $4.1 million equity investment from Intel Corporation 129 St-Jacques Street West, Level B Montreal, QC, H2Y 1L6 • Launched Inter@ctive™ Pager, Wireless PC Card and OEM T (800) 332 0095 F (514) 877-9676 radio products Auditors • Signed $90 million contract with BellSouth Wireless Data for Zeifman and Company next generation Inter@ctive Pager Chartered Accountants 201 Bridgeland Avenue • Delivered $10 million in two-way pagers to IBM Toronto, Ontario, M6A 1Y7 • Invested a record $6.5 million in R&D – up 45% over 1997 Ernst and Young • Won product awards for Inter@ctive Pager and Wireless PC Card Chartered Accountants 515 Riverbend Drive • Telxon Corporation placed initial order for OEM radios P.O. -
Research in Motion the Communication Challenges of Blackberry
SAINT MARTIN’S UNIVERSITY Research In Motion The Communication Challenges of BlackBerry Josiah Shelman & Sommer Valles 12/9/2013 When Mike Lazaridis began college, he started making wireless, programmable displays for advertisements. His economics professor convinced him that he had a great business idea and encouraged him to start a company; in 1984 that’s exactly what he did. He started the company with his long-time childhood friend and fellow engineer, Doug Fregin and named the company Research In Motion. Business started out slow as they only sold 100 units of their first LED signs, but soon Mike shifted his focus to wireless telecommunications. In 1992 he hired Jim Basillie, a Harvard MBA graduate and future co-CEO of RIM, to help with the business side of the company. RIM really hit its stride in 1996 when they developed the first two-way messaging pager. From then on RIM continued to pave the way in telecommunications and released their very first Wireless PDA named the RIM 950, which later became known as the Blackberry. RIM has been fighting to stay competitive for the past decade. They have faced many communication challenges, both internal and external to the company, that have led to their decline. Those failures include: lack of two-way communication, lack of leadership, and failures in its internal communications. Internal Communication RIM has been on a drastic decline for the past few years and a major factor has been the lack of internal communications. The CEOs, upper management, and board members have continued to disagree and cannot come to a conclusion on what direction the company should head. -
Many-Body Entanglement in Classical & Quantum Simulators
Many-Body Entanglement in Classical & Quantum Simulators Johnnie Gray A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy of University College London. Department of Physics & Astronomy University College London January 15, 2019 2 3 I, Johnnie Gray, confirm that the work presented in this thesis is my own. Where information has been derived from other sources, I confirm that this has been indicated in the work. Abstract Entanglement is not only the key resource for many quantum technologies, but es- sential in understanding the structure of many-body quantum matter. At the interface of these two crucial areas are simulators, controlled systems capable of mimick- ing physical models that might escape analytical tractability. Traditionally, these simulations have been performed classically, where recent advancements such as tensor-networks have made explicit the limitation entanglement places on scalability. Increasingly however, analog quantum simulators are expected to yield deep insight into complex systems. This thesis advances the field in across various interconnected fronts. Firstly, we introduce schemes for verifying and distributing entanglement in a quantum dot simulator, tailored to specific experimental constraints. We then confirm that quantum dot simulators would be natural candidates for simulating many-body localization (MBL) - a recently emerged phenomenon that seems to evade traditional statistical mechanics. Following on from that, we investigate MBL from an entanglement perspective, shedding new light on the nature of the transi- tion to it from a ergodic regime. As part of that investigation we make use of the logarithmic negativity, an entanglement measure applicable to many-body mixed states.