With the commencement of the 5 th generation (5G) of wireless networks, researchers
around the globe have started paying their attention to the imminent challenges that may …

The field of propagating quantum microwaves is a relatively new area of research that is
receiving increased attention due to its promising technological applications, both in …

Quantum communication protocols based on nonclassical correlations can be more efficient
than known classical methods and offer intrinsic security over direct state transfer. In …

We demonstrate the generation of multimode entangled states of propagating microwaves.
The entangled states are generated by our parametrically pum** a multimode …

The low-noise amplification of weak microwave signals is crucial for countless protocols in
quantum information processing. Quantum mechanics sets an ultimate lower limit of half a …

Traveling wave parametric amplifiers (TWPAs) have recently emerged as essential tools for
broadband near quantum-limited amplification. However, their use to generate microwave …

The field of quantum communication promises to provide efficient and unconditionally
secure ways to exchange information, particularly, in the form of quantum states. Meanwhile …

Quantum communication addresses the problem of exchanging information across
macroscopic distances by employing encryption techniques based on quantum-mechanical …

Security of modern classical data encryption often relies on computationally hard problems,
which can be trivialized with the advent of quantum computers. A potential remedy for this is …

We show experimentally that a dc-biased Josephson junction in series with two microwave
resonators emits entangled beams of microwaves leaking out of the resonators. In the …