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Quantum Illumination with Gaussian States
Si-Hui Tan, Baris I. Erkmen, Vittorio Giovannetti +5
An optical transmitter irradiates a target region containing a bright thermal-noise bath in which a low-reflectivity object might be embedded. The light received from this region i…
Robust strategies for lossy quantum interferometry
Lorenzo Maccone, Giovanni De Cillis
We give a simple multiround strategy that permits to beat the shot noise limit when performing interferometric measurements even in the presence of loss. In terms of the average ph…
Architectures for a quantum random access memory
Vittorio Giovannetti, Seth Lloyd, Lorenzo Maccone
A random access memory, or RAM, is a device that, when interrogated, returns the content of a memory location in a memory array. A quantum RAM, or qRAM, allows one to access superp…
Sub-Rayleigh Quantum Imaging
Vittorio Giovannetti, Seth Lloyd, Lorenzo Maccone +1
No imaging apparatus can produce perfect images: spatial resolution is limited by the Rayleigh diffraction bound that is a consequence of the imager's finite spatial extent. We sho…