Abstract

Metallic and plasmonic nanolasers have attracted growing interest recently. Plasmonic lasers demonstrated so far operate in hybrid photon-plasmon modes in transverse dimensions, rendering it impossible to separate photonic from plasmonic components. Thus only the far-field photonic component can be measured and utilized directly. But spatially separated plasmon modes are highly desired for applications including high-efficiency coupling of single-photon emitters and ultrasensitivity optical sensing. Here, we report a nanowire (NW) laser that offers subdiffraction-limited beam size and spatially separated plasmon cavity modes. By near-field coupling a high-gain CdSe NW and a 100 nm diameter Ag NW, we demonstrate a hybrid photon-plasmon laser operating at 723 nm wavelength at room temperature, with a plasmon mode area of 0.008λ2. This device simultaneously provides spatially separated photonic far-field output and highly localized coherent plasmon modes, which may open up new avenues in the fields of integrated nanophotonic circuits, biosensing, and quantum information processing.

Original languageEnglish (US)
Pages (from-to)5654-5659
Number of pages6
JournalNano Letters
Volume13
Issue number11
DOIs
StatePublished - Nov 13 2013

Fingerprint

Photonics
Nanowires
nanowires
Photons
Lasers
photons
lasers
Nanophotonics
photonics
far fields
Wavelength
high gain
Networks (circuits)
integrated circuits
near fields
emitters
cavities
output
room temperature
Temperature

Keywords

  • hybrid cavity
  • laser
  • nanowire
  • Plasmon
  • subdiffraction limit

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Wu, X., Xiao, Y., Meng, C., Zhang, X., Yu, S., Wang, Y., ... Tong, L. (2013). Hybrid photon-plasmon nanowire lasers. Nano Letters, 13(11), 5654-5659. https://doi.org/10.1021/nl403325j

Hybrid photon-plasmon nanowire lasers. / Wu, Xiaoqin; Xiao, Yao; Meng, Chao; Zhang, Xining; Yu, Shaoliang; Wang, Yipei; Yang, Chuanxi; Guo, Xin; Ning, Cun-Zheng; Tong, Limin.

In: Nano Letters, Vol. 13, No. 11, 13.11.2013, p. 5654-5659.

Research output: Contribution to journalArticle

Wu, X, Xiao, Y, Meng, C, Zhang, X, Yu, S, Wang, Y, Yang, C, Guo, X, Ning, C-Z & Tong, L 2013, 'Hybrid photon-plasmon nanowire lasers', Nano Letters, vol. 13, no. 11, pp. 5654-5659. https://doi.org/10.1021/nl403325j
Wu X, Xiao Y, Meng C, Zhang X, Yu S, Wang Y et al. Hybrid photon-plasmon nanowire lasers. Nano Letters. 2013 Nov 13;13(11):5654-5659. https://doi.org/10.1021/nl403325j
Wu, Xiaoqin ; Xiao, Yao ; Meng, Chao ; Zhang, Xining ; Yu, Shaoliang ; Wang, Yipei ; Yang, Chuanxi ; Guo, Xin ; Ning, Cun-Zheng ; Tong, Limin. / Hybrid photon-plasmon nanowire lasers. In: Nano Letters. 2013 ; Vol. 13, No. 11. pp. 5654-5659.
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