Optical Tomogram of Number State Filtered Coherent States
J. Merlin, A. Basherrudin Mahmud Ahmed
School of Physics, Madurai Kamaraj University, Madurai 625021, Tamilnadu, India
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The optical tomogram of the number state filtered coherent states %(NSFS) is studied comprehensively. The superposition of coherent state and number state is reflected in the optical tomogram via quantum interference. The qualitative signatures of the nonclassicality are captured as rapid oscillations in the optical tomogram of number state filtered coherent states. Entropic squeezing is estimated directly from the optical tomogram through the Shannon information entropy. The effects of the non-unit quantum efficiency of the photodetectors on the optical tomogram and the entropic squeezing are observed. Finally, two decoherence models, namely phase damping and amplitude damping models, are employed to assess the degradation of the nonclassical features in the optical tomogram.

DOI:10.12693/APhysPolA.141.516
topics: coherent state, state filtration, optical tomogram, entropic squeezing