[HTML][HTML] Coherent memory for microwave photons based on long-lived mechanical excitations

Y Liu, Q Liu, H Sun, M Chen, S Wang, T Li - npj Quantum Information, 2023 - nature.com
Mechanical resonators, due to their capability to host ultralong-lived phonon modes, are
particularly attractive for quantum state storage and as memory elements in conjunction with …

[HTML][HTML] Propagating quantum microwaves: towards applications in communication and sensing

M Casariego, EZ Cruzeiro, S Gherardini… - Quantum Science …, 2023 - iopscience.iop.org
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 …

[HTML][HTML] A cryogenic on-chip microwave pulse generator for large-scale superconducting quantum computing

Z Bao, Y Li, Z Wang, J Wang, J Yang, H Xiong… - Nature …, 2024 - nature.com
For superconducting quantum processors, microwave signals are delivered to each qubit
from room-temperature electronics to the cryogenic environment through coaxial cables …

Toward highly efficient multimode superconducting quantum memory

AR Matanin, KI Gerasimov, ES Moiseev, NS Smirnov… - Physical Review …, 2023 - APS
We experimentally demonstrate a microwave quantum storage for two spectral modes of
microwave radiation in an on-chip system of eight coplanar superconducting resonators …

[HTML][HTML] Frequency-tunable microwave quantum light source based on superconducting quantum circuits

Y Li, Z Wang, Z Bao, Y Wu, J Wang, J Yang, H Xiong… - Chip, 2023 - Elsevier
A non-classical light source is essential for implementing a wide range of quantum
information processing protocols, including quantum computing, networking, communication …

Random-access quantum memory using chirped pulse phase encoding

J O'Sullivan, OW Kennedy, K Debnath, J Alexander… - Physical Review X, 2022 - APS
As in conventional computing, memories for quantum information benefit from high storage
density and, crucially, random access, or the ability to read from or write to an arbitrarily …

Passive decoy-state quantum secure direct communication with a heralded single-photon source

JW Ying, P Zhao, W Zhong, MM Du, XY Li, ST Shen… - Physical Review …, 2024 - APS
Quantum secure direct communications (QSDC) can directly transmit secret messages
through a quantum channel without keys. The imperfect photon source is a major obstacle …

[HTML][HTML] A parametrically programmable delay line for microwave photons

T Makihara, N Lee, Y Guo, W Guan… - Nature …, 2024 - nature.com
Delay lines that store quantum information are crucial for advancing quantum repeaters and
hardware efficient quantum computers. Traditionally, they are realized as extended systems …

Photon/spin echo in a Fabry–Perot cavity

SA Moiseev, RV Urmancheev - Optics Letters, 2022 - opg.optica.org
The pulse area theorem is a well-known versatile analytical tool for capturing the general
nonlinear nature of light propagation in a two-level medium. Here we derive the pulse area …

Three-level -type microwave memory via parametric-modulation-induced transparency in a superconducting quantum circuit

KI Chu, WT Liao, YF Chen - Physical Review Research, 2023 - APS
We investigate theoretically a type of microwave memory that is composed of a single
transmon qubit and a coupling resonator. The synergy of the parametric modulation of the …