Performance of Quantum Preprocessing under Phase Noise

TL;DR

This paper explores how an all-optical joint detection receiver can improve data transmission rates in optical fiber systems affected by phase noise, leveraging quantum processing to enhance performance despite high noise levels.

Contribution

It demonstrates the potential of quantum-based all-optical preprocessing to enable higher baud-rates under phase noise conditions in optical fiber communications.

Findings

All-optical joint detection receiver improves baud-rate performance.

Quantum preprocessing enhances noise resilience in optical transmission.

Potential for higher data rates in noisy optical networks.

Abstract

Optical fiber transmission systems form the backbone of today's communication networks and will be of high importance for future networks as well. Among the prominent noise effects in optical fiber is phase noise, which is induced by the Kerr effect. This effect limits the data transmission capacity of these networks and incurs high processing load on the receiver. At the same time, quantum information processing techniques offer more efficient solutions but are believed to be inefficient in terms of size, power consumption and resistance to noise. Here we investigate the concept of an all-optical joint detection receiver. We show how it contributes to enabling higher baud-rates for optical transmission systems when used as a pre-processor, even under high levels of noise induced by the Kerr effect.