Polymer Hybrid Plasmonic Waveguides and Microring Resonators

Horvath, Cameron; Bachman, Daniel; Wu, Marcelo; Perron, David; Van, Vien

doi:10.1109/lpt.2011.2159784

Cited by 24 publications

(16 citation statements)

References 9 publications

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“…4,6,8 But for many applications, a narrow transmission band is highly desirable to improve their performances. In this work, we intended to modify the metallic nanoslit arrays by introducing low index dielectric layer (LID)/high-index dielectric layer (HID) underneath the metallic structure to introduce hybrid SP resonance modes, [10][11][12][13][14][15] so that we can tailor its transmission spectrum to get a narrower peak.…”

Section: Narrow-band Optical Transmission Of Metallic Nanoslit Arraysmentioning

confidence: 99%

Narrow-band optical transmission of metallic nanoslit arrays

Sun

Yang

Zuo

2012

Applied Physics Letters

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NSFC [61275063]; National Key Scientific Program [2012CB933503]; Natural Science Foundation of Fujian Province of China [2011J06002]; Fundamental Research Funds for the Central Universities [2012121009]Metallic nanoslit arrays usually demonstrate wide transmission bands for transverse-magnetic-polarized incidence light. Here, we show that by introducing multi-dielectric layers underneath the metallic structure layer on the substrate, a narrow peak is formed, whose bandwidth can be down to a few nanometers. Three types of resonance modes in the region under the metal layer are identified responsible for the formation of the peak, i.e., a two-dimensional cavity resonance mode, which supports optical transmission, and two in-plane hybrid surface plasmon resonance modes locating on both sides of the peak that suppresses the transmission. Such structures can be applied in advanced photonic devices. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4764113

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Section: Narrow-band Optical Transmission Of Metallic Nanoslit Arraysmentioning

confidence: 99%

Narrow-band optical transmission of metallic nanoslit arrays

Sun

Yang

Zuo

2012

Applied Physics Letters

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“…Switching is achieved using an in-plane pump-and-probe scheme in which the pump and probe plasmonic signals copropagate through the resonator, thus enabling truly integrated nonlinear plasmonic device operation to be demonstrated. The plasmonic microring resonator was fabricated using a Au=SiO 2 = SU-8 hybrid plasmonic waveguide structure [3], which was designed to have a long propagation length. The large ohmic loss in the metal, combined with the large thermo-optic coefficient of the SU-8 polymer, gives rise to large thermal nonlinearity.…”

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confidence: 99%

“…1(a). The SiO 2 gap layer serves to extend the propagation length of the waveguide as well as to enhance the electric field in the gap [3]. The material indexes were 1:57-4:93 × 10 −6 ifor SU-8 [4], 1.47 for the SiO 2 gap, and 0:55-11:5i for the gold layer [5] at a wavelength of 1550 nm.…”

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confidence: 99%

“…We fabricated hybrid plasmonic waveguides and microring resonators on a silicon substrate using conventional UV lithography. Details about the fabrication and measurement of the devices are described in [3]. To provide efficient light coupling into the plasmonic waveguides, input/output (I/O) dielectric SU-8 waveguides with no underlying metal layer were also integrated on the same chip.…”

mentioning

confidence: 99%

“…To provide efficient light coupling into the plasmonic waveguides, input/output (I/O) dielectric SU-8 waveguides with no underlying metal layer were also integrated on the same chip. The I/O waveguides were directly connected to the plasmonic waveguides by butt-coupling, with a measured coupling efficiency of 75% per junction [3]. The chip was cleaved and butt-coupled to tapered fibers for input and output light coupling.…”

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confidence: 99%

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All-plasmonic switching based on thermal nonlinearity in a polymer plasmonic microring resonator

Perron¹,

Wu²,

Horvath³

et al. 2011

Opt. Lett.

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We experimentally investigated thermal nonlinear effects in a hybrid Au/SiO(2)/SU-8 plasmonic microring resonator for nonlinear switching. Large ohmic loss in the metal layer gave rise to a high rate of light-to-heat conversion in the plasmonic waveguide, causing an intensity-dependent thermo-optic shift in the microring resonance. We obtained 30 times larger resonance shift in the plasmonic microring than in a similar SU-8 dielectric microring. Using an in-plane pump-and-probe configuration, we also demonstrated all-plasmonic nonlinear switching in the plasmonic microring with an on-off switching contrast of 4 dB over 50 mW input power.

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A marriage of convenience: Hybridization of surface plasmon and dielectric waveguide modes

Alam

Aitchison

Mojahedi

2014

Laser & Photonics Reviews

162

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Plasmonics has attracted a lot of interest in the past few years because of its unique features, especially for its ability to confine light in extremely small volumes. However, application of plasmonics is restricted by the large propagation loss associated with plasmonic waveguides. On the other hand, dielectric waveguides enjoy low loss, although the mode confinement is relatively weaker. Hybrid plasmonic waveguides (HPWGs), which combine these two guiding mechanisms, allow one to utilize the benefits of both technologies. Over the past few years there have been intense research activities around the world on this new guiding scheme. In this work the operating principle of HPWGs, various HPWG structures proposed by different research groups, and their potentail applications are reviewed.

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Polymer Hybrid Plasmonic Waveguides and Microring Resonators

Cited by 24 publications

References 9 publications

Narrow-band optical transmission of metallic nanoslit arrays

Narrow-band optical transmission of metallic nanoslit arrays

All-plasmonic switching based on thermal nonlinearity in a polymer plasmonic microring resonator

A marriage of convenience: Hybridization of surface plasmon and dielectric waveguide modes

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