Synthesis of arbitrary, two-mode, high visibility N-photon interference patterns

TL;DR

This paper demonstrates the synthesis of arbitrary N-photon interference patterns using coherent states and linear optics, revealing that pattern shape and visibility are not definitive quantum signatures, with applications in super-resolution imaging.

Contribution

It introduces a method to generate arbitrary interference patterns with high visibility, challenging the use of pattern shape and visibility as quantum signatures.

Findings

Successfully synthesized various interference patterns including saw-curve and rectangle.

Achieved phase super-resolution with period shortening up to 60 times.

Observed high visibility close to 100% for certain patterns.

Abstract

Using coherent states and linear optics, we demonstrate the synthesis of arbitrary interference patterns and establish that neither the shape nor the visibility of N-photon interference patterns can be used as a quantum signature in general. Specific examples include saw-curve and rectangle curve interference patterns, and phase super-resolution with period shortening of up to 60 times compared to ordinary interference. The former two with a visibility close to 100 % and the latter with a visibility in excess of 57 %.