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Date: 2013
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/277810
Description: We present a quantum repeater scheme that uses gradient echo memory and probabilistic noiseless amplification. We show that a quantum memory can process quantum information and a noiseless amplifier c ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/278302
Description: We theoretically demonstrate that if pump powers are kept low enough to suppress multi-pair events in integrated photon pair generation via spontaneous four-wave mixing, many other nonlinear effects a ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/286091
Description: Birefringence in poled fiber enables the direct (compensation-free) generation of broadband polarization-entangled photon pairs. However, birefringence and pump detuning also affect the entangled stat ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/285154
Description: Optical quantum computing (QC) increasingly uses integrated optics based experiments which permit circuit compactness and phase stability [1]. However, despite the rapid adaptations of integrated wave ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/286108
Description: We study, both theoretically and experimentally, emission of correlated photon-pairs by spontaneous four-wave-mixing in silicon integrated resonators. We show that the number of generated pairs in the ... More
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/286000
Description: We describe an automated, high resolution method to measure an arbitrary portion of the joint spectral intensity of spontaneous four-wave mixing generated photons. This allows us to quantify the spect ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/286119
Description: A proposal to generate modal and polarization hyperentangled photons using Bragg reflection waveguides is discussed. A high quality of entanglement is achievable with spectral filtering using filter b ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/286019
Description: We experimentally demonstrate spatial multiplexing of monolithic heralded single photon sources based on slow-light enhanced spontaneous four-wave mixing. We use a low-loss integrated electro-optic sw ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/281094
Description: Optically detected magnetic resonance (ODMR) in nanodiamond nitrogen-vacancy (NV) centres is usually achieved by applying a microwave field delivered by micron-size wires, strips or antennas directly ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/264348
Description: With in-built advantages (high quantum efficiency and room temperature photostability¹) for deployment in quantum technologies as a bright on-demand source of single photons, the nitrogen vacancy (NV) ... More
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Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/286126
Description: We propose a strategy for designing Bragg reflection waveguides with no polarization sensitivity. Via spontaneous parametric downconversion, such waveguides produce both cross-polarized and co-polariz ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020600 Quantum Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/288526
Description: Large nonlinearity at the single-photon level can pave the way for the implementation of universal quantum gates. However, realizing large and noiseless nonlinearity at such low light levels has been ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/285298
Description: Bright sources of on-demand single photons are a fundamental resource [1], required for linear optical quantum computing and quantum communication. Heralded single photon sources are based on photon-p ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/268746
Description: Using a fully quantum formalism we show that the probability of photon pair production via spontaneous four-wave-mixing in a sequence of N resonators can scale quadratically with N. This is the result ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/278252
Description: We show that the pair generation rate in spontaneous four-wave-mixing in a sequence of N resonators can scale quadratically with N as a result of a quantum interference in analogy with Dickie superrad ... More
Reviewed: Reviewed