Solid-state single photon sources: light collection strategies

WL Barnes, G Bjork, JM Gerard, P Jonsson, JAE Wasey, PT Worthing, Valéry Zwiller

Research output: Contribution to journalArticlepeer-review

185 Citations (SciVal)

Abstract

We examine the problem of efficiently collecting the photons produced by solid-state single photon sources. The extent of the problem is first established with the aid of simple physical concepts. Several approaches to improving the collection efficiency are then examined and are broadly categorized into two types. First are those based on cavity quantum dynamics, in which the pathways by which the source may emit a photon are restricted, thus channeling emission into one desired mode. Second are those where we try to reshape the free space modes into a target mode in an optimal way, by means of refraction, without fundamentally altering the way in which the source emits. Respectively, we examine a variety of microcavities and solid immersion lenses. Whilst we find that the micropillar microcavities offer the highest collection efficiency (similar to70%), choosing this approach may not always be appropriate due to other constraints. Details of the different approaches, their merits and drawbacks are discussed in detail.
Original languageEnglish
Pages (from-to)197-210
JournalEuropean Physical Journal D. Atomic, Molecular, Optical and Plasma Physics
Volume18
Issue number2
DOIs
Publication statusPublished - 2002

Subject classification (UKÄ)

  • Condensed Matter Physics

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