NF - 12 - 1 - 0237 217 - 333 - 9116 Final Report 62270 - PH - II

Number of Papers published in peer-reviewed journals: Number of Papers published in non peer-reviewed journals: Final Report: STIR: Advanced Quantum Sensing Report Title Recycling unmeasured photons in a system utilizing weak measurements can substantially improve the signal-to-noise ratio. We have performed a complete theoretical analysis of the tradeoffs, and demonstrated in a double-pass system that we could achieve an improvement by a factor of 1.36 over a system with no recycling. We also begin preliminary investigation into combining quantum states of light. (a) Papers published in peer-reviewed journals (N/A for none) Enter List of papers submitted or published that acknowledge ARO support from the start of the project to the date of this printing. List the papers, including journal references, in the following categories: (b) Papers published in non-peer-reviewed journals (N/A for none) "Increasing the Signal-to-Noise Ratio in Weak-Value Measurements" C. Byard, T. Graham, A. Danan, A. Jordan, and P. Kwiat Quantum Information and Measurement 2013 Rochester (June 17-20, 2013) "Weak values: the progression from quantum foundations to tool”, Andrew Jordan Invited colloquium University of Arizona, Tucson, AZ (September 2012). Invited talk University of Geneva, Geneva, Switzerland (August 2012). Invited talk Yakir Aharonov 80th birthday conference, Orange, CA (August 2012). (c) Presentations 07/14/2014 Received Paper 2.00 Justin Dressel, Kevin Lyons, Andrew N. Jordan, Trent M. Graham, Paul G. Kwiat. Strengthening weakvalue amplification with recycled photons, Physical Review A, (08 2013): 23821. doi: 10.1103/PhysRevA.88.023821 TOTAL: 1