Correlated Photons and Their Applications
Correlated Photons and Their Applications
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ISBN: 9789385919336
Bind: Hardbound
Year: 2016
Pages: 192
Size: 152 x 228 mm
Publisher: Cambridge International Science Publishing
Published in India by: Viva Books
Exclusive Distributors: Viva Books
Sales Territory: India, Nepal, Pakistan, Bangladesh, Sri Lanka
Description:
The book deals with correlated photons in quantum optics, the methods of producing them and a number of applications in biphoton spectroscopy and polarisation, graphics of the biphoton field. In the majority of the experiments described in the book, the correlated pairs of the photons (by photons) were produced in the process of spontaneous parametric scattering of light. Such a pair of photons is the unit quantum object in the so-called entangled state.This state is described by a single wave function and has a number of unique statistical properties. The correlated photons in the pair are rigidly connected together by the area and moment of nucleation, frequency and the direction of dispersion.The intensity of the flux of the biphotons is directly associated with the brightness of zero fluctuations of electromagnetic vacuum.
Target Audience:
Students and academicians of Physics and Engineering.
Contents:
Preface
Chapter 1. Some theoretical aspects of quantum physics
Introduction • Basis of eigenstates • Fock states • Entanglement. Entangled states • Bell-state measurement. Hadamard transform • No-cloning theorem of unknown quantum states • Teleportation • Conclusion to Chapter 1
Chapter 2. Spontaneous parametric scattering of light
Introduction • Physics of spontaneous parametric scattering (SPS) • Non-linear crystals used in the SPS experiments: Lithium iodate • Barium beta-borate (??-BaB2O4) • Features of SPS experiments • Conclusion to Chapter 2
Chapter 3. Biphotons and their application
Schmidt modes and Fedorov parameter in the angular spectrum of spontaneous parametric scattering • Biphotons and their properties • Physical justification of biphoton spectroscopy of absorption of light by impurity crystals • Early spectroscopic studies using frequency-entangled photon pairs: Using SPS spectroscopy in crystals in the region of low-frequency optical phonons and polaritons • Spectroscopy of glass doped with trivalent neodymium ions • Remote spectral measurements using ?entangled? photons • Study of the absorption spectra of Er3+: YAG and Cr3+: Al2O3 crystals by biphoton spectroscopy: Biphoton optical spectroscopy of erbium-doped YAG • Biphoton optical spectroscopy of ruby • Conclusion to Chapter 3
Chapter 4. Polarization tomography of biphotonic fields
Overview of development in solving tasks of polarization quantum tomography: Polarization tomography of single-mode biphotons • Ternary logic and ways of its use • Experimental setup for the registration of one-photon and two-photon optical fields: General issues related to the polarization tomography of biphotonic fields • Experimental realization of polarization tomography of the narrow-band biphotonic field: Introduction • Method of quantum polarization tomography • Experimental setup and results • Polarization quantum operations in an anisotropic medium with a dispersion: Introduction • Tomography of the quantum process • The calculation of ?-matrix for a wave plate with the dispersion taken into account • The results of numerical experiments • Experimental setup and the protocol of quantum measurements • Restoring the mixed state as the sum of the components of quasipure states • Taking into account hardware errors arising from artificial optical anisotropy in initially isotropic optical elements • Experiment to observe the effect of ?echo? in polarization transformations of quibits in the canonical scheme • Conclusion to Chapter 4
Chapter 5. Two-quantum photon correlator in the free induced decay mode
Introduction • Entangled states. EPR pairs. Physics correlated free light induction (FLI) • Femtosecond CFLI signals in two-photon excitation of two crossed laser beams • Femtosecond photon echo signals studies and four-wave mixing signals in the CdS crystal at room temperature: The experimental results on the femtosecond four wave mixing in a CdS crystal at room temperature • Two-photon four-wave mixing and long-wavelength shift of a femtosecond photon echo in CdS crystal at room temperature • Detection of femtosecond signals of correlated free light induction in the CdS crystal at room temperature under the TPA conditions • Conclusion to Chapter 5
Chapter 6. Single-photon sources based on spontaneous parametric scattering of light
Introduction • Our work on development of models of single-photon and two-photon states of light on the basis of SPS in a resonator: Generation of pairs of orthogonally polarized photons in the SPS process in the resonator • Single-resonator parametric light oscillator as a single-photon source • The current state of development of single-photon sources based on SPS: Introduction • The main directions of research and experimental achievements in the field of single-photon sources • Methods of preparation of single photons • Sources on the basis of the spontaneous emission of single quantum objects • Sources based on non-linear optical phenomena • Photon statistics • Spatial and temporal multiplexing of single-photon sources based on the SPS • The possibility of simultaneous temporal and spatial multiplexing • Conclusion to Chapter 6
Conclusion • References
