Recent advances on single photon sources based on single colloidal nanocrystals

• Autorzy: De Vittorio M. , Pisanello F. , Martiradonna L. , Qualtieri A. , Stomeo T. , Bramati A. , Cingolani R.
• Języki publikacji: EN

Abstrakty

EN

Single colloidal quantum dots (QDs) are increasingly exploited as triggered sources of single photons. This review reports on recent results on single photon sources (SPS) based on colloidal quantum dots, whose size, shape and optical properties can be finely tuned by wet chemistry approach. First, we address the optical properties of different colloidal nanocrystals, such as dots, rods and dot in rods and their use as single photon sources will be discussed. Then, we describe different techniques for isolation and positioning single QDs, a major issue for fabrication of single photon sources, and various approaches for the embedding single nanocrystals inside microcavities. The insertion of single colloidal QDs in quantum confined optical systems allows one to improve their overall optical properties and performances in terms of efficiency, directionality, life time, and polarization control. Finally, electrical pumping of colloidal nanocrystals light emitting devices and of NC-based single photon sources is reviewed.

Słowa kluczowe

EN

quantum dots; colloidal nanocrystals; emission efficiency; microcavity optical modes

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2010
• Tom: Vol. 18, No. 1
• Strony: 1--9
• Opis fizyczny: Bibliogr. 92 poz., il., wykr.

Twórcy

autor

De Vittorio M.

autor

Pisanello F.

autor

Martiradonna L.

autor

Qualtieri A.

autor

Stomeo T.

autor

Bramati A.

autor

Cingolani R.

• National Nanotechnology Laboratory of CNR-INFM, c/o Distretto Tecnologico ISUFI - Universita del Salento, Via Arnesano, 73100 Lecce, Italy,

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