Single- and compound-mode squeezing in nonlinear coupler with frequency mismatch

Julius, Rafael; Zahirzai, M.; Ibrahim, Abdel Baset Mohamed El Nabwi Abdel Hamid; Eleuch, Hichem; Choudhury, Pankaj Kumar

doi:10.1080/09205071.2019.1702591

Cited by 5 publications

(1 citation statement)

References 42 publications

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“…Among these quantum systems, the nonlinear coupler has received a significant deal of interest due to its advantages as a simple-structured, experimentally realizable, and easily integrated system. Since the standard twowaveguide coupler has been proposed [8], several designs of nonlinear couplers have been suggested such as three-waveguide [9], four-waveguide nonlinear couplers [10], [11], cavity-assisted nonlinear couplers [12], [13], and nonlinear couplers with frequency mismatch [14]. Also, nonlinear couplers based on various nonlinear processes such as Kerr nonlinear effect [15]- [18], second harmonic generation [19], and four-wave mixing have been proposed [20].…”

Section: Introductionmentioning

confidence: 99%

Quantum Properties in Nonlinear Coupler with Raman Process.

Hanapi,

Ibrahim

2023

J. Phys.: Conf. Ser.

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In this work, we have examined the generation of squeezed states of light in a two-waveguide coupler in which Raman processes are active in one waveguide. Both waveguides are mutually linearly interacting through the field’s evanescent waves. We looked at a few interesting cases in which the system generated single mode squeezed states due to spontaneous and stimulated Raman processes. Under specific combinations of design parameters and phase mismatching conditions, squeezed states may take the form of collapses and revivals, or the second quadrature of the optical mode may oscillate completely below the short-noise limit of a coherent state.

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