Tracy Eleanor Northup
Northup speaks to the Quantum Internet Proposed Research Group of the Internet Engineering Task Force in 2019
Born1978 (age 45–46)
Alma materCalifornia Institute of Technology
Harvard University
Scientific career
InstitutionsUniversity of Innsbruck
ThesisCoherent control in cavity QED (2008)

Tracy E. Northup (born 1978) is an American physicist who works at the Institute for Experimental Physics, University of Innsbruck. Her research considers the development optical cavities and trapped ions to better quantum mechanical interactions. She was awarded the 2016 Start-Preis of the Austrian Science Fund.

Early life and education

Northup was born in Newton, Massachusetts.[1] She received an undergraduate degree in physics at Harvard University. She then moved to the West Coast of the United States and earned her doctoral degree at the California Institute of Technology, where she studied coherent control in cavity quantum electrodynamics under the supervision of H. Jeff Kimble.[2][3] She then joined Rainer Blatt's group at the University of Innsbruck as an international Marie Curie fellow.[1][4]

Research and career

In 2015, Northup was appointed to the faculty of the University of Innsbruck, where she leads the Quantum Interfaces group.[5] In an effort to achieve highly precise control of macroscopic objects, she has explored ways to achieve the nonlinear coupling through the use of a levitating glass sphere, a trapped ion and an optical resonator. The levitating glass sphere is isolated from its environment and is brought into a superposition of states.[1][6] Northup was awarded the 2016 Start-Preis of the Austrian Science Fund.[7] She is a member of the Erwin Schrödinger Center for Quantum Science & Technology.[8]

In the field of quantum computing, one of the candidate technologies are ion traps.[9] In ion traps charged particles of ultra cold molecules are trapped in electromagnetic field, and manipulated such that they can carry information. However, the quantum mechanical processes that are exploited by ion traps suffer from errors, such as heating up of the molecules themselves.[10] These errors are understood to originate from the weakly conducting materials such as the oxide layers that form on metal surfaces.[9] Northup has developed approaches to evaluate the impact of dielectric materials on the particles within ion traps.[9] In her ion trap systems, Northup can control the distance between the ions and the dielectric optical components. She makes use of the fluctuation-dissipation theorem to calculate the experimental noise.[10]

Selected publications

  • K. M. Birnbaum; A. Boca; R. Miller; A. D. Boozer; T. E. Northup; H. J. Kimble (1 July 2005). "Photon blockade in an optical cavity with one trapped atom". Nature. 436 (7047): 87–90. arXiv:quant-ph/0507065. doi:10.1038/NATURE03804. ISSN 1476-4687. PMID 16001065. Wikidata Q33218360.
  • R Miller; T E Northup; K M Birnbaum; A Boca; A D Boozer; H J Kimble (25 April 2005). "Trapped atoms in cavity QED: coupling quantized light and matter". Journal of Physics B. 38 (9): S551–S565. doi:10.1088/0953-4075/38/9/007. ISSN 0953-4075. Wikidata Q56882263.
  • A. D. Boozer; A. Boca; R. Miller; T. E. Northup; H. J. Kimble (2007), Reversible state transfer between light and a single trapped atom, doi:10.1364/CQO.2007.JWC3, Wikidata Q59714712

References

  1. 1 2 3 Flatz, Christian. "START-Preis für Physikerin". Universität Innsbruck (in German). Retrieved 2021-06-14.
  2. ↑ Northup, Tracy Eleanor (2008). Coherent control in cavity QED (Thesis). Pasadena, Calif.: California Institute of Technology. OCLC 437167481.
  3. ↑ Staffner, Melanie; Brigo, Sabine Hofer. "Tracy Northup". University of Innsbruck. Retrieved 2021-06-14.
  4. ↑ "Tracy NORTHUP". European Forum Alpbach. Retrieved 2021-06-14.
  5. ↑ Miskic, Danijela; Dania, Lorenzo. "Quantum Interfaces Group". University of Innsbruck. Retrieved 2021-06-14.
  6. ↑ Northup, Tracy (2015). "Squeezed ions in two places at once". Nature. 521 (7552): 295–296. doi:10.1038/521295a. ISSN 1476-4687. PMID 25993955.
  7. ↑ Hohenwarter, Stefan; Flatz, Christian. "FWF-Preisträgerinnen und -preisträger der Universität Innsbruck". Universität Innsbruck (in German). Retrieved 2021-06-14.
  8. ↑ "Tracy NORTHUP". www.oeaw.ac.at. Retrieved 2021-06-14.
  9. 1 2 3 Flatz, Christian; Hohenwarter, Stefan. "Insulators turn up the heat on quantum bits". University of Innsbruck (in German). Retrieved 2021-06-14.
  10. 1 2 Teller, Markus; Fioretto, Dario A.; Holz, Philip C.; Schindler, Philipp; Messerer, Viktor; Schüppert, Klemens; Zou, Yueyang; Blatt, Rainer; Chiaverini, John; Sage, Jeremy; Northup, Tracy E. (2021-06-11). "Heating of a Trapped Ion Induced by Dielectric Materials". Physical Review Letters. 126 (23): 230505. arXiv:2103.13846. Bibcode:2021PhRvL.126w0505T. doi:10.1103/PhysRevLett.126.230505. PMID 34170180. S2CID 232352499.
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