| Physics at the University of Virginia | ||||||
| Academics | People | Research | Announcements | Facilities | Administration | Classes |
| Friday, September 5, 2008 | Michael Raymer [Host: Olivier Pfister] | |
| 4:00 PM, Room 204 | University of Oregon | |
| Physics Building | “TBA” |
| Friday, October 10, 2008 | Gina Rameika [Host: Craig Dukes ] | |
| 4:00 PM, Room 204 | Fermilab | |
| Physics Building | “TBA” |
| Friday, November 7, 2008 | Carl Caves [Host: Olivier Pfister] | |
| 4:00 PM, Room 204 | University of New Mexico | |
| Physics Building | “Quantum-limited measurements: One physicist's crooked path from quantum optics to quantum information” |
| Quantum information science has changed our view of quantum mechanics. Originally viewed as a nag, whose uncertainty principles restrict what we can do, quantum mechanics mechanics is now seen as a liberator, allowing us to do things, such as secure key distribution and efficient computations, that could not be done in the realistic world of classical physics. Yet there is one area, that of quantum limits on high-precision measurements, where the two faces of quantum mechanics remain locked in battle. Using my own career as a convenient backdrop, I will trace the history of quantum-limited measurements, from the use of nonclassical light to improve the phase sensitivity of an interferometer, to the modern perspective on how quantum entanglement can be used to improve measurement precision, and finally to how to do quantum metrology without entanglement. |
To add a speaker, send an email to ek6n@Virginia.EDU. Include the seminar type (e.g. Colloquia), date, name of the speaker, title of talk, and an abstract (if available). [Please send a copy of the email to phys-seminars@Virginia.EDU.]
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