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Programmable unitary spatial mode manipulation.
- J. Morizur, Lachlan Nicholls, H. Bachor
- PhysicsJournal of The Optical Society of America A…
- 19 May 2010
This work builds an experimental implementation of the unitary programmable mode converter (UPMC) and shows that, even when limited to three reflections on an array of 12 pixels, the UPMC is capable of performing single mode tranforms with an efficiency greater than 80% for the first four modes of the transverse electromagnetic basis.
Efficient and mode selective spatial mode multiplexer based on multi-plane light conversion
- G. Labroille, B. Denolle, P. Jian, J. Morizur, Philippe Genevaux, N. Treps
- PhysicsInternational Conference on Intelligent Pervasive…
- 25 April 2014
A new spatial mode multiplexer based on Multi-Plane Light Conversion with very low intrinsic loss and high mode selectivity and performance for 6 eigenmodes of a few-mode fiber is demonstrated.
A Quantum Laser Pointer
A quantum laser pointer is experimentally produced, a beam of light whose direction is measured with a precision greater than that possible for a usual laser beam, providing a demonstration of multichannel spatial squeezing and its application to the improvement of beam positioning sensitivity and, more generally, to imaging.
Surpassing the standard quantum limit for optical imaging using nonclassical multimode light.
Using continuous wave superposition of spatial modes, it is shown that the position of such a light beam can be measured using a split detector with an increased precision compared to a classical beam, and can be used to improve the sensitivity of small displacement measurements.
Quantum parameter estimation using general single-mode Gaussian states
We calculate the quantum Cramer--Rao bound for the sensitivity with which one or several parameters, encoded in a general single-mode Gaussian state, can be estimated. This includes in particular the…
Programmable multimode quantum networks
This work reports the highly versatile and efficient generation of various multimode entangled states with the ability to switch between different linear optics networks in real time.
Multimode entanglement in reconfigurable graph states using optical frequency combs
An optical on-demand, reconfigurable multimode entangled state, using an intrinsically multimode quantum resource and a homodyne detection apparatus is demonstrated, which enables the interrogation of quantum correlations and fluctuations for any multimode Gaussian state.
Experimental investigation of continuous-variable quantum teleportation
We report the experimental demonstration of quantum teleportation of the quadrature amplitudes of a light field. Our experiment was stably locked for long periods, and was analyzed in terms of…
An experimental investigation of criteria for continuous variable entanglement
- W. Bowen, R. Schnabel, N. Treps, H. Bachor, P. Lam, T. Ralph
- PhysicsPostconference Digest Quantum Electronics and…
- 30 August 2002
Theentanglement is presented on a diagram of the average sideband photon number required to generate the entanglement versus the average number of excess sideband photons, as deduced from the measured values of the quadrature variances.
Experimental demonstration of continuous variable polarization entanglement.
The inseparability criterion proposed by Duan et al. is extended to polarization states and used to quantify the entanglement and an elaboration utilizing two quadrature entangled pairs for which all three Stokes operators between a pair of beams are entangled is proposed.