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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…
Signal-to-noise ratio of Gaussian-state ghost imaging
Baris I. Erkmen, Jeffrey H. Shapiro
The signal-to-noise ratios (SNRs) of three Gaussian-state ghost imaging configurations--distinguished by the nature of their light sources--are derived. Two use classical-state lig…
Computational Ghost Imaging
Jeffrey H Shapiro
Ghost-imaging experiments correlate the outputs from two photodetectors: a high spatial-resolution (scanning pinhole or CCD camera) detector that measures a field which has not int…
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…
Gaussian-State Theory of Two-Photon Imaging
Baris I. Erkmen, Jeffrey H. Shapiro
Biphoton states of signal and idler fields--obtained from spontaneous parametric downconversion (SPDC) in the low-brightness, low-flux regime--have been utilized in several quantum…
Quantum theory of optical temporal phase and instantaneous frequency
Mankei Tsang, Jeffrey H. Shapiro, Seth Lloyd
We propose a general quantum theory of optical phase and instantaneous frequency in the time domain for slowly varying optical signals. Guided by classical estimation theory, we de…