Damien Bonneau
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View article: A manufacturable platform for photonic quantum computing
A manufacturable platform for photonic quantum computing Open
View article: A manufacturable platform for photonic quantum computing
A manufacturable platform for photonic quantum computing Open
Whilst holding great promise for low noise, ease of operation and networking, useful photonic quantum computing has been precluded by the need for beyond-state-of-the-art components, manufactured by the millions. Here we introduce a manufa…
View article: Switch networks for photonic fusion-based quantum computing
Switch networks for photonic fusion-based quantum computing Open
Fusion-based quantum computing (FBQC) offers a powerful approach to building a fault-tolerant universal quantum computer using photonic components -- single-photon sources, linear-optical circuits, single-photon detectors, and optical swit…
View article: Evaluating a Nonlinear Interferometer on an Silicon Photonic Chip
Evaluating a Nonlinear Interferometer on an Silicon Photonic Chip Open
Silicon photonic integrated circuits are a promising platform for realizing large-scale quantum photonic devices. While the linear optical approach has greatly contributed to this field, it is often possible to improve the functionality an…
View article: Estimating the Indistinguishability of Heralded Single Photons Using Second-Order Correlation
Estimating the Indistinguishability of Heralded Single Photons Using Second-Order Correlation Open
High-visibility quantum interference (indistinguishability) among single photons is the key to scalable, high-fidelity linear optical quantum gates. Measuring indistinguishability by interference is laborious and time-consuming, though, an…
View article: Observation of nonlinear interference on a silicon photonic chip
Observation of nonlinear interference on a silicon photonic chip Open
Photonic integrated circuits represent a promising platform for applying quantum information science to areas such as quantum computation, quantum communication, and quantum metrology. While the linear optical approach has greatly contribu…
View article: Observation of non-linear interference on a silicon photonic chip
Observation of non-linear interference on a silicon photonic chip Open
This data deposited is that presented in the article "Observation of non-linear interference on a silicon photonic chip".
View article: Witnessing eigenstates for quantum simulation of Hamiltonian spectra
Witnessing eigenstates for quantum simulation of Hamiltonian spectra Open
We introduce the concept of an eigenstate witness and use it to find energies of quantum systems with quantum computers.
View article: Large-scale Integration of Multidimensional Quantum Photonics Circuits on Silicon
Large-scale Integration of Multidimensional Quantum Photonics Circuits on Silicon Open
We report the first large-scale silicon-photonics quantum circuit, integrating more than 500 photonic components, able to generate, manipulate and measure multidimensional entanglement fully on-chip with unprecedented precision, controllab…
View article: A homodyne detector integrated onto a photonic chip for measuring quantum states and generating random numbers
A homodyne detector integrated onto a photonic chip for measuring quantum states and generating random numbers Open
Optical homodyne detection has found use in a range of quantum technologies\nas both a characterisation tool and as a way to post-selectively generate\nnon-linearities. So far optical implementations have been limited to bulk\noptics. Here…
View article: High-extinction ratio integrated photonic filters for silicon quantum photonics
High-extinction ratio integrated photonic filters for silicon quantum photonics Open
We present the generation of quantum-correlated photon pairs and subsequent pump rejection across two silicon-on-insulator photonic integrated circuits. Incoherently cascaded lattice filters are used to provide over 100 dB pass-band to sto…
View article: Photon pair generation in hydrogenated amorphous silicon microring resonators
Photon pair generation in hydrogenated amorphous silicon microring resonators Open
We generate photon pairs in a-Si:H microrings using a CW pump, and find the Kerr coefficient of a-Si:H to be 3.73 ± 0.25 × 10 −17 m 2 /W . By measuring the Q factor with coupled power we find that the loss in the a-Si:H micro-rings scales …
View article: Photon pair generation in hydrogenated amorphous silicon microring resonators
Photon pair generation in hydrogenated amorphous silicon microring resonators Open
We generate photon pairs in a-Si:H microrings using a CW pump, and find the Kerr coefficient of a-Si:H to be $3.73 \pm 0.25 \times 10^{-17}m^2/W$. By measuring the Q factor with coupled power we find that the loss in the a-Si:H micro-rings…
View article: Quantum simulation of Hamiltonian spectra on a silicon chip
Quantum simulation of Hamiltonian spectra on a silicon chip Open
The efficient calculation of Hamiltonian spectra, a problem often intractable on classical machines, can find application in many fields, from physics to chemistry. Here, we introduce the concept of an eigenstate witness and through it pro…
View article: Silicon Quantum Photonics
Silicon Quantum Photonics Open
Integrated quantum photonic applications, providing physially guaranteed communications security, sub-shot-noise measurement, and tremendous computational power, are nearly within technological reach. Silicon as a technology platform has p…
View article: Modelling superconducting nanowire single photon detectors in a waveguide cavity
Modelling superconducting nanowire single photon detectors in a waveguide cavity Open
In this work we report on a single photon detector system which offers near-unity detection efficiency using waveguide-coupled superconducting nanowires with lengths on the order of 1 μm. This is achieved by embedding the nanowires in a ra…
View article: Chip-to-chip quantum photonic interconnect by path-polarization interconversion
Chip-to-chip quantum photonic interconnect by path-polarization interconversion Open
Integrated photonics has enabled much progress towards quantum technologies. Many applications, including quantum communication, sensing, and distributed and cloud quantum computing, will require coherent photonic interconnection between s…
View article: Active temporal and spatial multiplexing of photons
Active temporal and spatial multiplexing of photons Open
The maturation of many photonic technologies from individual components to next-generation system-level circuits will require exceptional active control of complex states of light.A prime example is in quantum photonic technology: while si…
View article: Quantum Photonic Interconnect
Quantum Photonic Interconnect Open
Integrated photonics has enabled much progress towards quantum technologies. Many applications, including quantum communication, sensing, and distributed and cloud quantum computing, will require coherent photonic interconnection between s…
View article: Qubit entanglement between ring-resonator photon-pair sources on a silicon chip
Qubit entanglement between ring-resonator photon-pair sources on a silicon chip Open
View article: Effect of loss on multiplexed single-photon sources
Effect of loss on multiplexed single-photon sources Open
An on-demand single-photon source is a key requirement for scaling many\noptical quantum technologies. A promising approach to realize an on-demand\nsingle-photon source is to multiplex an array of heralded single-photon sources\nusing an …
View article: Active Temporal Multiplexing of Photons
Active Temporal Multiplexing of Photons Open
Photonic qubits constitute a leading platform to disruptive quantum technologies due to their unique low-noise properties. The cost of the photonic approach is the non-deterministic nature of many of the processes, including single-photon …