Laser written circuits for quantum photonics

T Meany, M Gräfe, R Heilmann… - Laser & Photonics …, 2015 - Wiley Online Library
The femtosecond laser direct‐writing (FLDW) of waveguide circuits in glasses has seen
interest from a number of fields over the previous 20 years. It has evolved from a curiosity to …

Quantum light in complex media and its applications

O Lib, Y Bromberg - Nature Physics, 2022 - nature.com
Photons are often referred to as flying quantum bits, a phrase that emphasizes both their
quantum character and their ability to carry quantum information between two distant points …

Femtosecond laser micromachining for integrated quantum photonics

G Corrielli, A Crespi, R Osellame - Nanophotonics, 2021 - degruyter.com
Integrated quantum photonics, ie the generation, manipulation, and detection of quantum
states of light in integrated photonic chips, is revolutionizing the field of quantum information …

On-chip generation of high-order single-photon W-states

M Gräfe, R Heilmann, A Perez-Leija, R Keil… - Nature …, 2014 - nature.com
Quantum superposition is the quantum-mechanical property of a particle whereby it inhabits
several of its possible quantum states simultaneously. Ideally, this permissible coexistence …

Apparatus and methods for optical neural network

NC Harris, JJ Carolan, M Prabhu, DR Englund… - US Patent …, 2019 - Google Patents
An optical neural network is constructed based on photonic integrated circuits to perform
neuromorphic computing. In the optical neural network, matrix multiplication is imple mented …

High-fidelity quantum state evolution in imperfect photonic integrated circuits

J Mower, NC Harris, GR Steinbrecher, Y Lahini… - Physical Review A, 2015 - APS
We propose and analyze the design of a programmable photonic integrated circuit for high-
fidelity quantum computation and simulation. We demonstrate that the reconfigurability of …

Generation of nonclassical biphoton states through cascaded quantum walks on a nonlinear chip

AS Solntsev, F Setzpfandt, AS Clark, CW Wu… - Physical Review X, 2014 - APS
We demonstrate a nonlinear optical chip that generates photons with reconfigurable
nonclassical spatial correlations. We employ a quadratic nonlinear waveguide array, where …

Arbitrary photonic wave plate operations on chip: realizing Hadamard, Pauli-X and rotation gates for polarisation qubits

R Heilmann, M Gräfe, S Nolte, A Szameit - Scientific reports, 2014 - nature.com
Chip-based photonic quantum computing is an emerging technology that promises much
speedup over conventional computers at small integration volumes. Particular interest is …

Methods, systems, and apparatus for programmable quantum photonic processing

JC Mower, NC Harris, DR Englund… - US Patent …, 2016 - Google Patents
(*) Notice: Subject to any disclaimer, the term of this Aaronson, S. et al.," Computational
complexity of linear optics', in patent is extended or adjusted under 35 Proceedings of the …

Topological protection versus degree of entanglement of two-photon light in photonic topological insulators

K Tschernig, Á Jimenez-Galán… - Nature …, 2021 - nature.com
Topological insulators combine insulating properties in the bulk with scattering-free transport
along edges, supporting dissipationless unidirectional energy and information flow even in …