title: Quantum metropolitan optical network based on wavelength division multiplexing.
abstract: Quantum Key Distribution (QKD) is maturing quickly. However, the current approaches to its application in optical networks make it an expensive technology. QKD networks deployed to date are designed as a collection of point-to-point, dedicated QKD links where non-neighboring nodes communicate using the trusted repeater paradigm. We propose a novel optical network model in which QKD systems share the communication infrastructure by wavelength multiplexing their quantum and classical signals. The routing is done using optical components within a metropolitan area which allows for a dynamically any-to-any communication scheme. Moreover, it resembles a commercial telecom network, takes advantage of existing infrastructure and utilizes commercial components, allowing for an easy, cost-effective and reliable deployment.
authors: A
authors: A
authors: Ciurana
authors: J
authors: J
authors: Martínez-Mateo
authors: M
authors: M
authors: Peev
authors: A
authors: A
authors: Poppe
authors: N
authors: N
authors: Walenta
authors: H
authors: H
authors: Zbinden
authors: V
authors: V
authors: Martín