scholarly journals HIGHER-ORDER FLUCTUATIONS IN COHERENT STATES AND SQUEEZED STATES WITH THERMAL NOISE

1998 ◽  
Vol 47 (12) ◽  
pp. 1989
Author(s):  
DONG CHUAN-HUA
Keyword(s):  
Coherent States ◽  
Thermal Noise ◽  
Higher Order ◽  
Squeezed States

Squeezed states with thermal noise. I. Photon-number statistics

1993 ◽  
Vol 47 (5) ◽  
pp. 4474-4486 ◽  
Author(s):  
Paulina Marian ◽  
Tudor A. Marian
Keyword(s):  
Thermal Noise ◽  
Photon Number ◽  
Squeezed States

Thermal Coherent States and Thermal Squeezed States

1991 ◽  
Vol 38 (12) ◽  
pp. 2339-2347 ◽  
Author(s):  
J. Oz-Vogt ◽  
A. Mann ◽  
M. Revzen
Keyword(s):  
Coherent States ◽  
Squeezed States

scholarly journals Sum Squeezing of the Field Amplitude in Frequency Upconversion Process

2020 ◽  
Vol 2020 ◽  
pp. 1-9
Author(s):  
Dilip Kumar Giri ◽  
Binod Kumar Choudhary
Keyword(s):  
Fundamental Mode ◽  
Higher Order ◽  
Sum Frequency Generation ◽  
Field Amplitude ◽  
Interaction Time ◽  
Squeezed States ◽  
Frequency Upconversion ◽  
Sum Frequency ◽  
Frequency Generation ◽  
Upconversion Process

Sum squeezing of the field amplitude is studied in the nondegenerate and degenerate frequency upconversion process under the short interaction time. It is shown that sum squeezing can be converted into normal squeezing via sum-frequency generation in the nondegenerate frequency upconversion process, while the amplitude-squared squeezing of the fundamental mode directly changed into the squeezing of the harmonic in the degenerate frequency upconversion process. All reachable conditions of uncorrelated modes for obtaining a sum squeezing in two modes and its dependence on the squeezing of individual field modes are investigated. It is found that the squeezed states are associated with large number of pump photons. It is also confirmed that the higher-order squeezing (sum squeezing) is directly associated with coupling of the field and interaction time.

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