Polarization Engineering in Photonic Crystal Waveguides for Spin-Photon Entanglers.

  title={Polarization Engineering in Photonic Crystal Waveguides for Spin-Photon Entanglers.},
  author={Andrew Young and A. C. T. Thijssen and Daryl M. Beggs and Petros Androvitsaneas and Laurens Kuipers and John G. Rarity and Stephen Hughes and Ruth Oulton},
  journal={Physical review letters},
  volume={115 15},
By performing a full analysis of the projected local density of states (LDOS) in a photonic crystal waveguide, we show that phase plays a crucial role in the symmetry of the light-matter interaction. By considering a quantum dot (QD) spin coupled to a photonic crystal waveguide (PCW) mode, we demonstrate that the light-matter interaction can be asymmetric, leading to unidirectional emission and a deterministic entangled photon source. Further we show that understanding the phase associated with… 

Figures from this paper

A photonic interface of chiral cavity quantum electrodynamics
Cavity quantum electrodynamics studies light-matter interactions at single quanta level. Chiral photon-emitter coupling in photonic structures is characterized as unidirectional propagation locked by
Engineering chiral light–matter interaction in photonic crystal waveguides with slow light
We design photonic crystal waveguides with efficient chiral light–matter interfaces that can be integrated with solid-state quantum emitters. By using glide-plane-symmetric waveguides, we show that
Engineering chiral light--matter interaction in photonic crystal waveguides with slow light
We design photonic crystal waveguides with efficient chiral light--matter interfaces that can be integrated with solid-state quantum emitters. By using glide-plane-symmetric waveguides, we show that
Engineering Chiral Light–Matter Interactions in a Waveguide-Coupled Nanocavity
Spin-dependent, directional light–matter interactions form the basis of chiral quantum networks. In the solid state, quantum emitters commonly possess circularly polarized optical transitions with
Chiral quantum optics
E engineered directional photonic reservoirs could lead to the development of complex quantum networks that, for example, could simulate novel classes of quantum many-body systems.
Time-reversal constraint limits unidirectional photon emission in slow-light photonic crystals
  • B. Lang, D. Beggs, R. Oulton
  • Physics
    Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
  • 2016
This article explores the transition from travelling to standing waves for two different photonic crystal waveguide designs and finds that time-reversal symmetry and the reciprocal nature of light places constraints on using C-points in the slow-light regime.
Chiral interactions of quantum dots embedded within nanophotonic waveguides
This thesis describes the couplings and interactions of quantum dots embedded within nanoscale photonic waveguides. Optical spectroscopic measurements were performed on these devices for the
Spin-dependent directional emission from a quantum dot ensemble embedded in an asymmetric waveguide.
This study examines a photonic wire waveguide embedded with an ensemble of quantum dots (QDs) that directionally emits into the waveguide depending on the spin state of the ensemble and examines a microdisk resonator with a stair-like edge that supports selective coupling of the QD ensemble radiation into a whispering gallery mode that rotates unidirectionally.
Strongly correlated photon transport in nonlinear photonic lattices with disorder: Probing signatures of the localization transition
We study the transport of few-photon states in an open disordered nonlinear photonic lattice. More specifically, we consider a waveguide quantum electrodynamics (QED) setup where photons are
Polarisation singularities in photonic crystals for an on-chip spin-photon interface
We study the polarisation structure of the electromagnetic fields in the vicinity of a photonic crystal waveguide, and demonstrate that polarisation singularities are supported. Further, we study the


In this review, self-mixing interferometry (SMI), a new configuration of interferometry, is discussed. SMI has practical advantages compared to standard interferometry, for example SMI does not
The Nature of Nanotechnology
“Gene Chip” is used as an example that is still object of research in basic nanoscience, but at the same time is already of interest in the nanoengineering step and has partially even reached the technology status.
A new language, Opt, is proposed for writing these objective functions over image- or graph-structured unknowns concisely and at a high level and automatically transforms these specifications into state-of-the-art GPU solvers based on Gauss-Newton or Levenberg-Marquardt methods.
however (for it was the literal soul of the life of the Redeemer, John xv. io), is the peculiar token of fellowship with the Redeemer. That love to God (what is meant here is not God’s love to men)
AIV Assembly, Integration, Verification AOA Angle of Attack CAD Computer Aided Design CFD Computational Fluid Dynamics GLOW Gross Lift-Off Mass GNC Guidance Navigation and Control IR Infra-Red LEO
Et al
A large population-based survey of veterans and nondeployed controls found evidence of a deployment-related Gulf War syndrome by factor analysis in Air Force veterans and controls.
Laser & Photonics Reviews4
  • 499
  • 2010
Physical Review B 75
  • 205437
  • 2007
  • Rev. Lett. 96, 153601 (pages 4)
  • 2006
  • Rev. Lett. 103
  • 2009