Výsledky vyhledávání - "GAN, Choon How"

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Strong coupling in the far-infrared between graphene plasmons and the surface optical phonons of silicon dioxide

Autor: Luxmoore, Isaac. J., Gan, Choon How, Liu, Peter Q., Valmorra, Federico, Li, Penglei, Faist, Jerome, Nash, Geoffrey R.

Publikováno v: ACS Photonics 1, 1151 (2014)

We study plasmonic resonances in electrostatically gated graphene nanoribbons on silicon dioxide substrates. Absorption spectra are measured in the mid-far infrared and reveal multiple peaks, with width-dependent resonant frequencies. We calculate th

Externí odkaz: http://arxiv.org/abs/1405.7607

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Broadband and efficient plasmonic control in the near-infrared and visible via strong interference of surface plasmon polaritons

Autor: Gan, Choon How, Nash, Geoffrey R.

Broadband and tunable control of surface plasmon polaritons in the near-infrared and visible spectrum is demonstrated theoretically and numerically with a pair of phased nanoslits. We establish with simulations supported by a coupled wave model that

Externí odkaz: http://arxiv.org/abs/1310.7046

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Active plasmonic switching at mid-infrared wavelengths with graphene ribbon arrays

Autor: Chu, Hong-Son, Gan, Choon How

Publikováno v: Appl. Phys. Lett. 102, 231107 (2013)

An active plasmonic switch based on single- and few-layer doped graphene ribbon array operating in the mid-infrared spectrum is investigated with theoretical and numerical calculations. It is shown that significant resonance wavelength shifts and mod

Externí odkaz: http://arxiv.org/abs/1308.6417

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Analysis of surface plasmon excitation at terahertz frequencies with highly-doped graphene sheets via attenuated total reflection

Autor: Gan, Choon How

Publikováno v: Appl. Phys. Lett. 101, 111609 (2012)

Excitation of surface plasmons supported by doped graphene sheets at terahertz frequencies is investigated numerically. To alleviate the momentum mismatch between the highly-confined plasmon modes and the incident radiation, it is proposed to increas

Externí odkaz: http://arxiv.org/abs/1303.0438

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Synthesis of highly confined surface plasmon modes with doped graphene sheets in the mid-infrared and terahertz frequencies

Autor: Gan, Choon How, Chu, Hong Son, Li, Er Ping

We investigate through analytic calculations the surface plasmon dispersion relation for monolayer graphene sheets and a separated parallel pair of graphene monolayers. An approximate form for the dispersion relation for the monolayer case was derive

Externí odkaz: http://arxiv.org/abs/1203.4308

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Proposal for compact solid-state III-V single-plasmon sources

Autor: Gan, Choon How, Hugonin, Jean-Paul, Lalanne, Philippe

Publikováno v: Phys. Rev. X 2, 021008 (2012)

We propose a compact single-plasmon source operating at near-infrared wavelengths on an integrated III-V semiconductor platform, with a thin ridge waveguide serving as the plasmon channel. By attaching an ultra-small cavity to the channel, it is show

Externí odkaz: http://arxiv.org/abs/1202.6419

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Akademický článek

Phase and coherence singularities generated by the interference of partially coherent fields

Autor: Gan, Choon How, Gbur, Greg

Publikováno v: In Optics Communications 2007 280(2):249-255

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Generation of surface plasmons with compact devices (Orale)

Autor: Baron, Alexandre, Lalanne, Philippe, Gan, Choon How, Hugonin, Jean-Paul

Publikováno v: Proc. SPIE
SPIE Photonics West, 17th Photonics West Conference on Integrated Optics-Devices, Materials, and Technologies
SPIE Photonics West, 17th Photonics West Conference on Integrated Optics-Devices, Materials, and Technologies, Feb 2013, San Francisco, United States. pp.86270W, ⟨10.1117/12.2002951⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::68ed16a13c00703ceab6ae5a0f2330fc
https://hal-iogs.archives-ouvertes.fr/hal-00850797

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