Associate Professor Matthew Collett

Contact details
Building 303, Room 629
Phone: +64 9 373 7599 ext 88837
Email: m.collett@auckland.ac.nz

• Theoretical quantum optics
• Open quantum systems
• Quantum measurement theory

My general research area is theoretical quantum optics, the study ofinteractions between light and matter at the quantum level. Besides being of interest in their own right, optical systems are often good testing grounds for fundamental quantum physics. Particular topics that I have contributed to include the control of quantum fluctuations (“squeezing”) and methods of making measurements on quantum systems, as well as more fundamental aspects of quantum measurement theory. I have also worked on atomic Bose condensates and their possible use to produce the atomic analogue of a laser; and on nonlinear optical systems sensitive to individual photons, which may have application in the development of quantum computers.

Some of my interests outside of Physics are covered on my personal webpage: http://homepages.ihug.co.nz/~m_collett/

• V.I.Kruglov and M.J.Collett, “Cluster model of roton excitations in liquid 4He”, J. Phys. B: At. Mol. Opt. Phys. 41, 035305 (2008)
• L.Horvath, M.J.Collett, H.J.Carmichael and R.Fisher, “Quantum stochastic heating of a trapped ion”, Coherence and Quantum Optics IX,eds. N.P.Bigelow, J.H.Eberly and C.R.Stroud, 232-247 (Optical Societyof America, 2008)
• Changsuk Noh, A.Chia, Hyunchul Nha, M.J.Collett and H.J.Carmichael, “Quantum Teleportation of the Temporal Fluctuations of Light”, Phys.Rev. Lett. 102, 230501 (2009)
• S.S.Shamailov, A.S.Parkins, M.J.Collett and H.J.Carmichael, “Multi-photon blockade and dressing of the dressed states”, Optics Comm. 283,766-772 (2010)

• M.J.Collett and C.W. Gardiner, “Squeezing of intracavity and travelling wave light field produced in parametric amplification ”, Phys.Rev.A 30, 1386-91 (1984)
• M.J.Collett, D.F.Walls and P.Zoller, “Spectrum of squeezing in resonance fluorescence”, Optics Comm. 52, 145-49, (1984)
• C.W.Gardiner and M.J.Collett, “Input and output in damped quantum systems: Quantum stochastic differential equations and the master equation”, Phys.Rev.A 31, 3761–74 (1985)
• M.J.Collett and D.F.Walls, “Squeezing spectra for nonlinear optical systems”, Phys.Rev.A 32, 2887–92 (1985)
• M.J.Holland, M.J.Collett, D.F.Walls and M.D.Levenson, “Nonideal quantum non demolition measurements” Phys.Rev.A 42, 2995-3005 (1990)
• S.M.Tan, D.F.Walls and M.J.Collett, “Nonlocality of a single photon”, Phys.Rev.Lett. 66, 252-255 (1991)
• H.M.Wiseman and M.J.Collett, “An atom laser based on dark state cooling”, Phys.Lett. A 202, 246-252 (1995)
• T.Wong, M.J.Collett, and D.F.Walls, “Interference of two Bose-Einstein condensates with collisions”, Phys.Rev. A 54, R3718-3721 (1996)
• M.J.Steel and M.J.Collett, “Quantum state of two trapped Bose-Einstein condensates with a Josephson coupling”, Phys.Rev. A 57, 2920-2930 (1998)
• M.J.Steel, M.K.Olsen, L.I.Plimak, P.D.Drummond, S.M.Tan, M.J.Collett, D.F.Walls and R.Graham, “Dynamical quantum noise in trapped Bose-Einstein condensates”, Phys.Rev. A58, 4824-4835 (1998)