Gaussian modeling and Schmidt modes of SPDS biphoton states
M.V. Fedorov, Yu.M. Mikhailova, and P.A. Volkov
TL;DR
This paper develops a Gaussian model and identifies Schmidt modes for biphoton states generated via spontaneous parametric down-conversion, applicable across all pump pulse durations, enhancing understanding of quantum light sources.
Contribution
Introduces a double-Gaussian model and determines Schmidt modes for biphoton wave functions in SPDC with various pump pulse durations.
Findings
Valid for all pump pulse durations, including short, long, and intermediate.
Provides a comprehensive Gaussian model for biphoton wave functions.
Identifies Schmidt modes relevant for quantum information applications.
Abstract
A double-Gaussian model and the Schmidt modes are found for the biphoton wave function characterizing spontaneous parametric down-conversion with the degenerate collinear phase-matching of the type I and with a pulsed pump. The obtained results are valid for all durations of the pump pulses, short, long and intermediately long.
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