Hybrid nanodiamond and titanium dioxide nanobeam cavity design

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

2 Scopus Citations
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Author(s)

  • Kelvin CHUNG
  • Timothy J. KARLE
  • Cheng WANG
  • Marko LONČAR
  • Snjezana TOMLJENOVIC-HANIC

Detail(s)

Original languageEnglish
Pages (from-to)785-792
Journal / PublicationOptical Materials Express
Volume7
Issue number3
Online published7 Feb 2017
Publication statusPublished - 1 Mar 2017
Externally publishedYes

Abstract

Titanium dioxide is an emerging optical material, with a relatively high refractive index (n ~ 2), which allows for high confinement of the electromagnetic field. Extensive research has been conducted on the negatively charged nitrogen vacancy centre in diamond due to its robust electronic and optical properties. In particular, its stable room-temperature photoluminescence properties have been considered for quantum optical applications. Nanobeam cavities are a geometry that offer exceptionally large-Q values given their minimal footprint, a must for high density and compact optical architecture. This paper presents an ultrahigh-Q nanobeam cavity within titanium dioxide in a low-refractive index environment operating at the negatively charged nitrogen vacancy centre of diamond. This research opens the possibility of hybrid optical devices utilising titanium dioxide and diamond.

Research Area(s)

  • Bragg reflectors, Photonic crystals, Nanophotonics and photonic crystals

Citation Format(s)

Hybrid nanodiamond and titanium dioxide nanobeam cavity design. / CHUNG, Kelvin; KARLE, Timothy J.; WANG, Cheng; LONČAR, Marko; TOMLJENOVIC-HANIC, Snjezana.

In: Optical Materials Express, Vol. 7, No. 3, 01.03.2017, p. 785-792.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal