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Quantum Imaging

Mikhail I. Kolobov

Published Jan 1, 2007• 58 citations
OpenAlex

Abstract

This talk will give an overview of Quantum Imaging, a new branch of the modern quantum optics which has been very rapidly developing during the last few years. Several directions in quantum Imaging will be discussed, such as generation of multimode squeezed states, noiseless image amplification, quantum super-resolution, etc.

Related papers

Quantum imaging

Mikhail I. Kolobov

This talk will give an overview of quantum imaging, a new branch of the modern quantum optics which has been very rapidly developing during the last few years. Several directions in quantum Imaging will be discussed, such as generation of multimode squeezed states, noiseless image amplification, quantum super-resolution, etc.

•Aug 1, 2009•3 citations

Quantum Imaging : Fundamentals and Promises

Mikhail I. Kolobov

This talk will give an overview of Quantum Imaging, a new branch of quantum optics investigating quantum effects in optical imaging. Several topics will be discussed, such as noiseless image amplification, quantum super-resolution, etc.

Frontiers in Optics•Jan 1, 2005•0 citations

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This talk will give an overview of quantum imaging, a new branch of quantum optics which investigates the ultimate performance limits in optical imaging imposed by the quantum nature of the light. I will discuss several topics of quantum imaging such as noiseless image amplification, quantum limits of super-resolution, and others.

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Quantum Imaging: Fundamentals And Promises

Mikhail I. Kolobov

Quantum imaging can be defined as an area of quantum optics that investigates the ultimate performance limits of optical imaging allowed by the quantum nature of light. Quantum Imaging techniques possess a high potential for improving the performance in recording, storage, and readout of optical images beyond the limits set by the standard quantum level of fluctuations known as the shot noise. This talk aims at giving an overview of the fundamentals of Quantum Imaging as well as its most important directions. We shall discuss generation of the spatially multimode squeezed states of light be means of a travelling-wave optical parametric amplifier. We shall demonstrate that this kind of light allows us to reduce the spatial fluctuations of the photocurrent in a properly chosen homodyne detection scheme with a highly efficient CCD camera. It will be shown that using the amplified quadrature of the light wave in a travelling-wave optical parametric amplifier, one can perform noiseless amplification of optical images. We shall provide recent experimental results demonstrating a single-shot noiseless image amplification by a pulsed optical parametric amplifier. One of important experimental achievements of Quantum Imaging, coined in the literature as quantum laser pointer, is a precise measurement of position and transverse displacement of a laser beam with resolution beyond the limit imposed by the shot noise. We shall describe briefly the idea of the experiment in which the transverse displacement of a laser beam was measured with resolution of the order of Angstrom. The problem of precise measurement of transverse displacement of a light beam brings us to a more general question about the quantum limits of optical resolution. The classical resolution criterion, derived in the nineteen century by Abbe and Rayleigh, states that the resolution of an optical instrument is limited by diffraction and is related to the wavelength of the light used in the imaging scheme. However, it was for a long time recognised in the literature that in some cases when one has some a priori information about the object, one can improve the resolution beyond the Rayleigh limit using the so-called super-resolution techniques. As a final topic in this talk, we shall discuss the quantum limits of optical super-resolution. In particular, we shall formulate the standard quantum limit of super-resolution and demonstrate how one can go beyond this limit using specially designed multimode squeezed light.

Qatar Foundation Annual Research Forum Volume 2013 Issue 1•Jan 1, 2013•0 citations

Super-resolution Quantum Imaging Using Massively Entangled Multimode Squeezed Light.

Daniel Soh

accomplished with much less resources when MEMSL is used than those needed in any non-entangled or non-squeezed classical imaging method. Furthermore, the action of the optical loss in the imaging system that degrades the imaging performance is also rigorously analyzed and presented. Several bioimaging applications that can benefit tremendously from the proposed quantum imaging scheme are also suggested.

•Feb 1, 2022•0 citations

Linear Optical Quantum Information Processing, Imaging, and Sensing

Nickolas M. VanMeter, Zhanghan Wu, Hugo V. Cable +8 more

We investigate linear optical approaches to quantum information processing, clarifying how linear optics and projective measurements can be used to create designer optical nonlinearities at the few photon level. We apply the lessons learned to develop optimized schemes for generating entangled photonic states for quantum imaging, with super-resolution below the Rayleigh limit, and for quantum sensing, with super-sensitivity below the shot-noise limit.

International Conference on Quantum Information•Jan 1, 2007•0 citations
Quantum imaging can be defined as an area of quantum optics that investigates the ultimate performance limits of optical imaging allowed by the quantum nature of light. Quantum Imaging techniques possess a high potential for improving the performance in recording, storage, and readout of optical images beyond the limits set by the standard quantum level of fluctuations known as the shot noise. This talk aims at giving an overview of the fundamentals of Quantum Imaging as well as its most important directions. We shall discuss generation of the spatially multimode squeezed states of light be means of a travelling-wave optical parametric amplifier. We shall demonstrate that this kind of light allows us to reduce the spatial fluctuations of the photocurrent in a properly chosen homodyne detection scheme with a highly efficient CCD camera. It will be shown that using the amplified quadrature of the light wave in a travelling-wave optical parametric amplifier, one can perform noiseless amplification of optical images. We shall provide recent experimental results demonstrating a single-shot noiseless image amplification by a pulsed optical parametric amplifier. One of important experimental achievements of Quantum Imaging, coined in the literature as quantum laser pointer, is a precise measurement of position and transverse displacement of a laser beam with resolution beyond the limit imposed by the shot noise. We shall describe briefly the idea of the experiment in which the transverse displacement of a laser beam was measured with resolution of the order of Angstrom. The problem of precise measurement of transverse displacement of a light beam brings us to a more general question about the quantum limits of optical resolution. The classical resolution criterion, derived in the nineteen century by Abbe and Rayleigh, states that the resolution of an optical instrument is limited by diffraction and is related to the wavelength of the light used in the imaging scheme. However, it was for a long time recognised in the literature that in some cases when one has some a priori information about the object, one can improve the resolution beyond the Rayleigh limit using the so-called super-resolution techniques. As a final topic in this talk, we shall discuss the quantum limits of optical super-resolution. In particular, we shall formulate the standard quantum limit of super-resolution and demonstrate how one can go beyond this limit using specially designed multimode squeezed light.