Asymmetric Architecture for Heralded Single Photon Sources
arXiv:1210.6878 · doi:10.1103/PhysRevA.88.023848
Abstract
Single photon source represent a fundamental building block for optical implementations of quantum information tasks ranging from basic tests of quantum physics to quantum communication and high-resolution quantum measurement. In this paper we investigate the performance of a multiplexed system based on asymmetric configuration of multiple heralded single photon sources. {To compare the effectiveness of different designs we introduce a single-photon source performance index that is based on the value of single photon probability required to achieve a guaranteed signal to noise ratio.} The performance and scalability comparison with both currently existing multiple-source architectures and faint laser configurations reveals an advantage the proposed scheme offers in realistic scenarios. This analysis also provides insights on the potential of using such architectures for integrated implementation.
11 pages, 13 figures
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- Heralded single photon sources for QKD applications
- Multiplexed single-photon state preparation using a fibre-loop architecture
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- Optimization of multiplexed single-photon sources operated with photon-number-resolving detectors
- Optimization of periodic single-photon sources based on combined multiplexing
- Performance of a temporally multiplexed single-photon source with imperfect devices
- Multiplexing heralded single-photon in orbital angular momentum space
- Spatially multiplexed single-photon sources based on incomplete binary-tree multiplexers
- Single-photon sources based on asymmetric spatial multiplexing with optimized inputs
- Towards a standard procedure for the measurement of the multi-photon component in a CW telecom heralded single-photon source
- Scheme for sub-shot-noise transmission measurement using a time multiplexed single-photon source
- Efficient heralding of O-band passively spatial-multiplexed photons for noise-tolerant quantum key distribution