Lifetime reduction of a quantum emitter with quasiperiodic metamaterials

Yuto Moritake; Kazuyuki Nakayama; Toshihiro Suzuki; Hiroyuki Kurosawa; Toshiyuki Kodama; Satoshi Tomita; Hisao Yanagi; Teruya Ishihara

doi:10.1103/PhysRevB.90.075146

Lifetime reduction of a quantum emitter with quasiperiodic metamaterials

Yuto Moritake, Kazuyuki Nakayama, Toshihiro Suzuki, Hiroyuki Kurosawa, Toshiyuki Kodama, Satoshi Tomita, Hisao Yanagi, Teruya Ishihara

SCI - Physics

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Enhancement of light-matter interaction of a quantum emitter with subwavelength quasiperiodic metamaterials is proposed and demonstrated. The quasiperiodic metamaterials consist of subwavelength metal-dielectric multilayers, which are arranged into a Fibonacci lattice. The influence of Fibonacci metamaterials (FM) on the dipole emission is analyzed with a semiclassical model. The local density of states near FM is evaluated and a characteristic mode in higher wave numbers is revealed; a strong enhancement of the decay rate was predicted. A lifetime measurement is carried out and a reduction of lifetime of quantum dots on the surface of FM is observed. The enhancement of light-matter interaction arises from the localized latticelike state inherent for self-similar quasiperiodic order.

Original language	English
Article number	075146
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	90
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevB.90.075146
Publication status	Published - 2014 Aug 26

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Lifetime reduction of a quantum emitter with quasiperiodic metamaterials. / Moritake, Yuto; Nakayama, Kazuyuki; Suzuki, Toshihiro; Kurosawa, Hiroyuki; Kodama, Toshiyuki; Tomita, Satoshi; Yanagi, Hisao; Ishihara, Teruya.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 90, No. 7, 075146, 26.08.2014.

Research output: Contribution to journal › Article › peer-review

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AU - Yanagi, Hisao

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