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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper QTuI58

Nondestructive measurement of intensity of optical fields using spontaneous parametic downconversion

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Abstract

Results of nondestructive measurements of intensity (photons per mode) of light from different sources are discussed. The procedure of measurement does not destroy the state of the optical field. The method is based on using the second-order nonlinearity of crystal media lacking a center of symmetry and the nonclassical properties of the process of spontaneous parametric downconversion.

© 1991 Optical Society of America

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