Heralding Single Photons Without Spectral Factorability
arXiv:1008.2792 · doi:10.1103/PhysRevA.82.043826
Abstract
Recent efforts to produce single photons via heralding have relied on creating spectrally factorable two-photon states in order to achieve both high purity and high production rate. Through a careful multimode analysis, we find, however, that spectral factorability is not necessary. Utilizing single-mode detection, a similar or better performance can be achieved with non-factorable states. This conclusion rides on the fact that even when using a broadband filter, a single-mode measurement can still be realized, as long as the coherence time of the triggering photons exceeds the measurement window of the on/off detector.
7 pages, 5 figures
References in corpus (13)
- Quantum Cryptography
- Quantum key distribution over 40 dB channel loss using superconducting single photon detectors
- Heralded Generation of Ultrafast Single Photons in Pure Quantum States
- Quantum state reconstruction of the single-photon Fock state
- Photon pair-state preparation with tailored spectral properties by spontaneous four-wave mixing in photonic-crystal fiber
- Experimental interference of independent photons
- Photonic crystal fibre source of photon pairs for quantum information processing
- Tailored photon-pair generation in optical fibers
- High purity bright single photon source
- High brightness single mode source of correlated photon pairs using a photonic crystal fiber
- Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources
- Bridging Visible and Telecom Wavelengths with a Single-Mode Broadband Photon Pair Source
- Multimode theory of measurement-induced non-Gaussian operation on wideband squeezed light
Cited by in corpus (15)
- CMOS-compatible, multiplexed source of heralded photon pairs: towards integrated quantum combs
- Limits on the heralding efficiencies and spectral purities of spectrally-filtered single photons from photon pair sources
- Engineering integrated pure narrow-band photon sources
- Ultralow-loss integrated photonics enables bright, narrow-band, photon-pair sources
- Mode-resolved Photon Counting via Cascaded Quantum Frequency Conversion
- Enhancing Four-Wave-Mixing Processes by Nanowire Arrays Coupled to a Gold Film
- Narrowband Photon Pair Source for Quantum Networks
- Theory of filtered type-II PDC in the continuous-variable domain: Quantifying the impacts of filtering
- Distilling Quantum Entanglement via Mode-Matched Filtering
- Optimized Heralding Schemes for Single Photons
- Experimental Realization of a Four-Photon Seven-Qubit Graph State for One-Way Quantum Computation
- Time-resolved Hanbury Brown-Twiss interferometry of on-chip biphoton frequency combs using Vernier phase modulation
- Erasing Quantum Distinguishability via Single-Mode Filtering
- Direct Generation and Detection of Correlated Photons with 3.2 um Wavelength Spacing
- Integrated Telecom Wavelength Heralded Single-Photon Source based on GHz gated detectors