The scalability of quantum networking will benefit from quantum and classical
communications coexisting in shared fibers, the main challenge being spontaneous Raman …

As quantum key distribution has reached the maturity level for practical deployment,
questions about the co-integration with existing classical communication systems are of …

Packet switching revolutionized the Internet by allowing the efficient use of network
resources for data transmission. In a previous work, we introduced packet switching in …

The quantum–classical coexistence can be implemented based on wavelength division
multiplexing (WDM), but due to Raman noise, the wavelength spacing between quantum …

In this paper, we propose core and wavelength allocation schemes for the simultaneous
transmission of classical signals and quantum key distribution (QKD) over multi-core fiber …

The commercial success and wide deployment of quantum key distribution (QKD)
technology depend on the integration of QKD links into existing fiber networks and sharing …

Distributing entanglement through standard telecommunication fiber is particularly important
for quantum key distribution protocols with low vulnerability over metropolitan distances …

Multi-parameter design optimization is carried out to achieve low loss, wideband and single
mode operation in an optical fiber for the application of single photon transmission in visible …

Integrating measurement-device-independent quantum key distribution (MDI QKD) with
classical networks guarantees security and economy. Unfortunately, the performance of MDI …

A successful commercial deployment of quantum key distribution (QKD) technologies
requires integrating QKD links into existing fibers and sharing the same fiber networks with …