292 citations · 647 across the 19 of their papers we have counts for
14 papers · 1 filter
Gradient-Based Optimization Enables Scalable Fault-Tolerant Quantum Gate Synthesis
Marc Grau Davis, Ed Younis, Mathias Weiden +2
We develop a numerical approach to optimizing a quantum circuit over a discrete gate set by using gradient descent to tune angles to a solution where many gates can be…
Quantum Circuit Switching with One-Way Repeaters in Star Networks
Álvaro G. Iñesta, Hyeongrak Choi, Dirk Englund +1
Distributing quantum states reliably among distant locations is a key challenge in the field of quantum networks. One-way quantum networks address this by using one-way communicati…
Tutorial: Remote entanglement protocols for stationary qubits with photonic interfaces
Hans K. C. Beukers, Matteo Pasini, Hyeongrak Choi +3
Generating entanglement between distant quantum systems is at the core of quantum networking. In recent years, numerous theoretical protocols for remote entanglement generation hav…
Heterogeneous integration of spin-photon interfaces with a scalable CMOS platform
Linsen Li, Lorenzo De Santis, Isaac Harris +14
Color centers in diamonds have emerged as a leading solid-state platform for advancing quantum technologies, satisfying the DiVincenzo criteria and recently achieving a quantum adv…
Scalable Quantum Networks: Congestion-Free Hierarchical Entanglement Routing with Error Correction
Hyeongrak Choi, Marc G. Davis, Álvaro G. Iñesta +1
We introduce Quantum Tree Networks (QTN), an architecture for hierarchical multi-flow entanglement routing. The network design is a -ary tree where end nodes are situated on the…
Fault Tolerant Non-Clifford State Preparation for Arbitrary Rotations
Hyeongrak Choi, Frederic T. Chong, Dirk Englund +1
Quantum error correction is an essential component for practical quantum computing on noisy quantum hardware. However, logical operations on error-corrected qubits require a signif…
Programmable photonic integrated meshes for modular generation of optical entanglement links
Mark Dong, Matthew Zimmermann, David Heim +9
Large-scale generation of quantum entanglement between individually controllable qubits is at the core of quantum computing, communications, and sensing. Modular architectures of r…
Steady-state microwave mode cooling with a diamond NV ensemble
Donald P. Fahey, Kurt Jacobs, Matthew J Turner +4
A fundamental result of quantum mechanics is that the fluctuations of a bosonic field are given by its temperature . An electromagnetic mode with frequency in the microwave…
Ultrastrong magnetic light-matter interaction with cavity mode engineering
Hyeongrak Choi, Dirk Englund
Magnetic interaction between photons and dipoles is essential in electronics, sensing, spectroscopy, and quantum computing. However, its weak strength often requires resonators to…
Quantum networks based on color centers in diamond
Maximilian Ruf, Noel H. Wan, Hyeongrak Choi +2
With the ability to transfer and process quantum information, large-scale quantum networks will enable a suite of fundamentally new applications, from quantum communications to dis…
Absorption-Based Diamond Spin Microscopy on a Plasmonic Quantum Metasurface
Laura Kim, Hyeongrak Choi, Matthew Trusheim +1
Nitrogen vacancy (NV) centers in diamond have emerged as a leading quantum sensor platform, combining exceptional sensitivity with nanoscale spatial resolution by optically detecte…
Indistinguishable Single-Photon Sources with Dissipative Emitter Coupled to Cascaded Cavities
Hyeongrak Choi, Di Zhu, Yoseob Yoon +1
Recently, Grange et al. [Phys. Rev. Lett. 114, 193601 (2015)] showed the possibility of single photon generation with high indistinguishability from a quantum emitter, despite stro…
Percolation based architecture for cluster state creation using photon-mediated entanglement between atomic memories
Hyeongrak Choi, Mihir Pant, Saikat Guha +1
A central challenge for many quantum technologies concerns the generation of large entangled states of individually addressable quantum memories. Here, we show that percolation the…
Low-control and robust quantum refrigerator and applications with electronic spins in diamond
M. Hamed Mohammady, Hyeongrak Choi, Matthew E. Trusheim +3
We propose a general protocol for low-control refrigeration and thermometry of thermal qubits, which can be implemented using electronic spins in diamond. The refrigeration is impl…