Perspective: Toward large-scale fault-tolerant universal photonic quantum computing
arXiv:1904.07390 · doi:10.1063/1.5100160
Abstract
Photonic quantum computing is one of the leading approaches to universal quantum computation. However, large-scale implementation of photonic quantum computing has been hindered by its intrinsic difficulties, such as probabilistic entangling gates for photonic qubits and lack of scalable ways to build photonic circuits. Here we discuss how to overcome these limitations by taking advantage of two key ideas which have recently emerged. One is a hybrid qubit-continuous variable approach for realizing a deterministic universal gate set for photonic qubits. The other is time-domain multiplexing technique to perform arbitrarily large-scale quantum computing without changing the configuration of photonic circuits. These ideas together will enable scalable implementation of universal photonic quantum computers in which hardware-efficient error correcting codes can be incorporated. Furthermore, all-optical implementation of such systems can increase the operational bandwidth beyond THz in principle, utimately enabling large-scale fault-tolerant universal quantum computers with ultra-high operation frequency.
References in corpus (31)
- Experimental quantum teleportation
- Quantum Computing
- Photonic quantum technologies
- Optical Quantum Computing
- Silica-on-Silicon Waveguide Quantum Circuits
- Universal Quantum Computation with Continuous-Variable Cluster States
- A 2D Quantum Walk Simulation of Two-Particle Dynamics
- High-speed linear optics quantum computing using active feed-forward
- Experimental demonstration of Shor's algorithm with quantum entanglement
- One-Way Quantum Computing in the Optical Frequency Comb
- Experimental Analysis of a 4-Qubit Cluster State
- Demonstration of Shor's quantum factoring algorithm using photonic qubits
- Experimental generation of four-mode continuous-variable cluster states
- Generation of one-million-mode continuous-variable cluster state by unlimited time-domain multiplexing
- Building Gaussian Cluster States by Linear Optics
- Scalable boson-sampling with time-bin encoding using a loop-based architecture
- Continuous variable entanglement on a chip
- Demonstration of a quantum nondemolition sum gate
- Entanglement swapping between discrete and continuous variables
- Analog quantum error correction with encoding a qubit into an oscillator
- Universal Quantum Computing with Measurement-Induced Continuous-Variable Gate Sequence in a Loop-Based Architecture
- Demonstration of deterministic and high fidelity squeezing of quantum information
- Arbitrarily Large Continuous-Variable Cluster States from a Single Quantum Nondemolition Gate
- Quantum Teleportation of Optical Quantum Gates
- Continuous-Variable Quantum Computing in Optical Time-Frequency Modes using Quantum Memories
- Generation of continuous-wave broadband Einstein-Podolsky-Rosen beams using periodically-poled lithium niobate waveguides
- Experimental realization of a dynamic squeezing gate
- Generation and Eight-port Homodyne Characterization of Time-bin Qubits for Continuous-variable Quantum Information Processing
- A simple scheme for universal linear optics quantum computing with constant experimental complexity using fiber-loops
- Demonstration of Cluster State Shaping and Quantum Erasure for Continuous Variables
- Linear multiport photonic interferometers: loss analysis of temporally-encoded architectures
Cited by in corpus (14)
- Quantum Error Correction with the Gottesman-Kitaev-Preskill Code
- Continuous-wave 6-dB-squeezed light with 2.5-THz-bandwidth from single-mode PPLN waveguide
- Femtosecond laser micromachining for integrated quantum photonics
- Fabrication of low-loss quasi-single-mode PPLN waveguide and its application to a modularized broadband high-level squeezer
- Advances in silicon quantum photonics
- Non-Gaussian quantum state generation by multi-photon subtraction at the telecommunication wavelength
- Information processing at the speed of light
- Continuous-variable entanglement in a two-mode lossy cavity: an exact solution
- Encoded-Fusion-Based Quantum Computation for High Thresholds with Linear Optics
- Experimental Demonstration of a Quantum Controlled-SWAP Gate with Multiple Degrees of Freedom of a Single Photon
- Analysis of optical quantum state preparation using photon detectors in the finite-temporal-resolution regime
- Broadband Parametric Downconversion as a Discrete-Continuum Fano Interaction
- Ptychographic estimation of pure multiqubit states in a quantum device
- Inserting Planar-Measured Qubits into MBQC Patterns while Preserving Flow