Old Wiseman Group News


Congratulations to graduating PhD students: Dr Shakib Daryanoosh (off to Macquarie) and Dr Ivonne Guevara.

Congratulations to DECRA (ARC fellowship) recipient: Dr Gerardo Paz Silva .

Paper in Phys. Rev. Lett.
Sabine Wollmann, Nathan Walk, Adam J. Bennet, Howard M. Wiseman, and Geoff J. Pryde, ''Observation of Genuine One-Way Einstein-Podolsky-Rosen Steering''

Long-term visitor this year: Ms Yu Xiang from Peking University.

Paper in Science Adv.
D. H. Mahler, L. Rozema, K. Fisher, L. Vermeyden, K. J. Resch, H. M. Wiseman, and A. Steinberg, ''Experimental nonlocal and surreal Bohmian trajectories''


Paper in Phys. Rev. Lett.
Ivonne Guevara and Howard Wiseman, ''Quantum State Smoothing''

Paper in Phys. Rev. X
Dominic Berry et al., ''Quantum Bell-Ziv-Zakai Bounds and Heisenberg Limits for Waveform Estimation''

Farewell to: Dr Nathan Walk (off to Oxford!).

Paper in Nature Comms.
Maria Fuwa et al., ''Experimental proof of nonlocal wavefunction collapse for a single particle using homodyne measurements''

Special Issue on Steering
Cavalcanti, Broadbent, Wallborn and Wiseman (eds.), ''80 YEARS OF STEERING AND THE EINSTEIN-PODOLSKY-ROSEN PARADOX''

New Postdoc: Dr Gerardo Paz-Silva (from Dartmouth).


Paper in Physical Review X:
Michael J. W. Hall, Dirk-Andre Deckert, and Howard M. Wiseman, ''Quantum phenomena modelled by interactions between many classical worlds''

Long-term visitors this year:
Dr. Jun-gang Li from Beijing Institute of Technology (BIT), and Ms Areeya Chantasri from Rochester University.

New Postdoc: Dr Nathan Walk (from UQ).

New PhD student: Mr. Shuming Cheng (from CAS).



We say farewell to Dr. Marcin Zwierz (off to Warszaw).
We welcome a returning Ph.D. student, Kenny Li.
Paper published in Phys. Rev. Lett.
"Stochastic Heisenberg limit: Optimal estimation of a fluctuating phase"

Visiting Ph.D. student, Colin Teo, from National University of Singapore.

Paper published in Phys. Rev. Lett.
"Experimental Test of Universal Complementarity Relations"


New Ph.D. student, Shakib Daryanoosh from Iran.

Science paper "Quantum-Enhanced Optical-Phase Tracking"

New Ph.D. student, Ivonne Guevara from Colombia.

Paper accepted to Phys. Rev. Lett. "Are dynamical quantum jumps detector-dependent?"
by Howard M. Wiseman, Jay M. Gambetta

Nature Communications paper "Conclusive quantum steering with superconducting transition edge sensors"
by D. H. Smith, G. Gillett, M. P. de Almeida, C. Branciard, A. Fedrizzi, T. J. Weinhold, A. Lita, B. Calkins, T. Gerrits, H. M. Wiseman, S. W. Nam, and A. G. White,
Brisscience public talk "Are We Living in the Matrix?" available online, given by me on October 31, 2011.

I have been elected as a FAPS (Fellow of the American Physical Society).


Farewell to Dr Austin Lund (off to UQ);
Welcome to new researchers, Dr Michael Hall (from ANU) and Dr Marcin Zwierz (from U. of Sheffield).

Paper in press in Physics Reports.  "Specker's Parable of the Over-protective Seer: A Road to Contextuality, Nonlocality and Complementarity"
by Yeong-Cherng Liang, Robert W. Spekkens, and Howard M. Wiseman

Paper accepted to Phys. Rev. Lett. "Quantum optical waveform conversion"
by D. Kielpinski, J. F. Corney, and H. M. Wiseman

Paper accepted to Phys. Rev. Lett. "Fundamental quantum limit to waveform estimation"
by Mankei Tsang, Howard M. Wiseman, and Carlton M. Caves



Paper accepted to Phys. Rev. Lett. "How many bits does it take to track an open quantum system?"
by Raisa Karasik and me. http://link.aps.org/doi/10.1103/PhysRevLett.106.020406

Paper published in Nature Photonics"Entanglement-enhanced measurement of a completely unknown optical phase"
by Guoyong Xiang, Brendon Higgins, Dominic Berry, me and Geoff Pryde.
(http://arxiv.org/abs/1003.5213) (http://www.nature.com/nphoton/journal/vaop/ncurrent/full/nphoton.2010.268.html)

Paper published in Nature Physics"Experimental EPR-Steering using Bell-local States" by Dylan Saunders, Steve Jones, me and Geoff Pryde.
(http://arxiv.org/abs/0909.0805) (http://www.nature.com/nphys/journal/vaop/ncurrent/abs/nphys1766.html)

We say farewell to (soon to be Dr.) Josh Combes, who will shortly be beginning a post-doc at University of New Mexico with Carl Caves, and to
(soon to be Dr.) Brendon Higgins, who will shortly be beginning a post-doc at University of Waterloo with Thomas Jennewein.

Grant success: Centre for Quantum Computation and Communication Technology. (ARC Centre of Excellence 2011-17)


The 2007 Nature paper "Entanglement-free Heisenberg-limited phase estimation", has been chosen by the editors of
Nature Milestones: Photons (2010), for the Fundamentals NPG library --- one of 11 reprinted papers in Nature Publishing Group journals, covering the period 1926-2010.

Paper published in Phys. Rev. Lett. 104, 093601 "Adaptive Optical Estimation Using Time-Symmetric Quantum Smoothing"  (http://prl.aps.org/abstract/PRL/v104/i9/e093601)


Paper accepted as a Rapid Comm. in Phys. Rev. A"Replacing quantum feedback with open-loop control and quantum filtering" by Josh Combes, me and Andrew Scott. (arXiv:0908.0198


Quantum Measurement and Control by Wiseman and Milburn nowpublished by CambridgeUniversity Press.
Please visit the authors' website  www.quantum-measurement-and-control.org  (enables user contributions of errata etc.)

We welcome a new Ph.D. student, David Evans from UQ. 

Paper accepted to Phys. Rev. Lett."Mixed state discrimination using optimal control" (arXiv:0909.1572)

David Pegg has been appointed Professor Emeritus of the University.

We say farewell to Dr Andrew Scott, and welcome a new postdoc in CQCT, Dr Raisa Karasik from Berkeley.


Grant success: Dr Austin Lund has been awarded a Griffith University postdoctoral fellowship.

We welcome a new postdoc, Dr Samuel Colin from PI, funded by PIAF, the Perimeter Institute Australia Foundations Partnership.

Text-book Quantum Measurement and Control (Wiseman and Milburn)delivered to CambridgeUniversity Press, nine years after submitting the synopsis!


ARC Grant success:
1. Discovery Project: Geoff Pryde (GU), Steve Bartlett (USyd), Andrew Doherty (UQ) and me: "Quantum limits in measurement and communication"
2. Postdoctoral Fellowship: Eric Cavalcanti: "Quantum Steering, Nonlocality, and Foundations"

Paper accepted to Phys. Rev. Lett. by me and Jay Gambetta, "Pure-state quantum trajectories for general non-Markovian systems do not exist" (arXiv:0806.3101)
Back from long service leave!

Steve Jones has sumbited his Ph.D. thesis.

We welcome a new postdoc, Dr Austin Lund from UQ. I'm going on long-service leave!

I have been elected as a FAA (Fellow of the Australian Academy of Science).
Paper accepted to Phys. Rev. Lett. by Josh Combes, me, and Kurt Jacobs, "Rapid Measurement of Quantum Systems using Feedback Control" (arXiv:0712.3620)


We say farewell to Dr Jay Gambetta (off to Waterloo), and welcome a new postdoc, Dr Eric Cavalcanti, formerly from the University of Queensland.

Paper accepted to Nature! Entitled "Entanglement-Free Heisenberg-Limited Phase Estimation" (quant-ph/0709.2996) it was authored by me, with fellow-theoreticians Steve Bartlett (Sydney) and Dominic Berry (Macquarie) and experimentalists in our Centre for Quantum Dynamics: Geoff Pryde and his student Brendon Higgins. It reports the first-ever experimental demonstration of a phase measurement operating at the fundamental limit allowed by quantum mechanics.

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