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We present an architecture to investigate wave-particle duality in $N$-pathinterferometers on a universal quantum computer involving as low as $2\log N$qubits and develop a measurement scheme which allows the efficient extractionof quantifiers of interference visibility and which-path information. Weimplement our algorithms for interferometers with up to $N=16$ paths inproof-of-principle experiments on a noisy intermediate-scale quantum (NISQ)device using down to $\mathcal{O}(\log N)$ gates and despite increasing noiseconsistently observe a complementary behavior between interference visibilityand which-path information. Our results are in accordance with our currentunderstanding of wave-particle duality and allow its investigation forinterferometers with an exponentially growing number of paths on future quantumdevices beyond the NISQ era.

Simulation of wave-particle duality in multi-path interferometers on a quantum computer