A cost-effective quantum eraser demonstration
Aarushi Khandelwal, Jit Bin Joseph Tan, Tze Kwang Leong, Yarong Yang,, T Venkatesan, and Hariom Jani
TL;DR
This paper presents a simple, affordable classical analogue of the quantum eraser experiment, designed for educational purposes to demonstrate quantum complementarity using common optical components.
Contribution
It introduces a cost-effective, robust setup for a classical quantum eraser demonstration suitable for classroom use, simplifying complex quantum concepts.
Findings
Successfully demonstrates quantum eraser principles with basic optical equipment
Provides an accessible educational tool for teaching quantum complementarity
Achieves low-cost, durable setup for classroom demonstrations
Abstract
The quantum eraser is a variation of the celebrated Young's interference experiment that can be used to demonstrate the elusive complementarity principle in quantum physics. Here we show the construction of its classical analogue for deployment in classrooms in a simple, cost-effective yet robust manner by employing a laser pointer, double-slits, and polarizers.
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