Active nanophotonic circuitry based on dielectricloaded. The everimproving capabilities and wider availability of nanofabrication systems. This includes active control of plasmonic propagation using thermooptic, electrooptic, and alloptical switching as well as compensation of propagation losses. Short cv alexey victorovich krasavin graduated from moscow institute of physics and technology in 2002 with a diploma with excellence, where he received a master degree. This cited by count includes citations to the following articles in scholar. We developed costeffective and highthroughput techniques to fabricate metal nanostructure arrays of various geometries on solid substrates. Pdf surface plasmon polaritons, propagating bound oscillations of electrons and light at a metal surface, have great potential as information carriers. Plasmonic clusters can support fano resonances, where the line shape characteristics are controlled by cluster geometry. We discuss various types of spp and explain excitation methods. Coupling light to and from spp waves with gratings 114 4. We show that surface plasmonpolariton signals in a metalondielectric waveguide, containing a gallium section a few microns long, can be effectively controlled by switching the structural. Alloptical and electrooptical active plasmonic telecom. Introduction to active plasmonics and magnetoplasmonics. Using a goldsilicon grating coupler and modulating the silicon dielectric constant with 775 nm, 800 fs pump pulses we demonstrate an ultrafast spectral shift to a surface plasmon polariton coupling resonance for 01700 nm probe pulses.
Invited paper alloptical active components for dielectricloaded plasmonic waveguides a. The authors propose that spp signals in metallicondielectric waveguides containing a short gallium section could be switched by switching. High contrast modulation of plasmonic signals using nanoscale. The prospects of plasmonics and metamaterials include subwavelength nanophotonic interconnects and circuits, light harvesting and solar energy, enhancement of linear and nonlinear optical processes, sensing, ultrathin optical displays, structural coloring, quantum information and communication. We develop a new concept for active plasmonics exploiting nanoscale structural transformations which is supported by rigorous numerical analysis.
Having identified elemental gallium as a suitable candidate material for controllable active insets in plasmon waveguides, we present the results of initial. Plasmonics offers a unique opportunity to break the diffraction limit of light and localize optical signals at nanoscale dimensions. Controlling signals in auoga waveguide using nanoscale structural transformations a. Surface plasmons of these nanostructure arrays were inv. T odays information economy is driven by the electronics and photonics technologies, which use electrons and photons, respectively, to carry, store, and process information. The term active plasmonics was introduced in 2004 in a paper reporting the concept of using optically activated phasechange waveguide materials to control propagating surface plasmon.
Zayats, threedimensional numerical modeling of photonic integration with dielectricloaded spp waveguides, phys. The term active plasmonics was introduced in 2004 in a paper reporting the. The successful demonstration of wdm switching using a dlsppbased amzi device constitutes a major step towards bringing active plasmonics into the realm of true datacom and telecom traffic applications, since the progress made so far in the area of active plasmonics is mainly limited to proofofprinciple experimental demonstrations 8,10,11,12. Dec 14, 2008 the term active plasmonics was introduced in 2004 in a paper reporting the concept of using optically activated phasechange waveguide materials to control propagating surface plasmon. Here we show that clusters with a hemicircular central disk surrounded by a circular ring of closely spaced, coupled nanodisks yield fanolike and nonfanolike spectra for orthogonal incident polarization orientations. We show that surface plasmonpolariton signals in a metalondielectric waveguide containing a gallium section a few microns long can be effectively controlled by switching the structural phase of gallium. High contrast modulation of plasmonic signals using nanoscale dualfrequency liquid crystals joseph s. Published 17 september 2009 iop publishing ltd journal of optics a. Plasmonics makes use of coupling between electromagnetic waves and freeelectron excitations at the interface of good conductors. High contrast modulation of plasmonic signals using. Stefan maier, phd, is the codirector of the centre for plasmonics and metamaterials at imperial college london. Active plasmonics active plasmonics we suggest, numerically model and present initial experimental results on a new concept, based on a nanoscale structural transformation in a plasmon waveguide material, which enables optical, electronic and.
Zheludev school of physics and astronomy, university of southampton, so17 1bj, united kingdom. The concept of active plasmonics or dynamic plasmonics was first proposed in 2004 for controlling signals in a waveguide using nanoscale structural transformations. The term plasmonics refers to the science and technology dealing with manipulation of electromagnetic signals by coherent coupling of photons to free electron oscillations at the interface between a conductor and a dielectric. The ones marked may be different from the article in the profile. Active plasmonics and tuneable plasmonic metamaterials. Magnetooptically active plasmonic systems maps from micinn. Siliconbased plasmonic waveguides active plasmonics.
Dielectricloaded surface plasmon polariton waveguides present a particular interest for applications offering a unique platform for the realization of integrated active functionalities. It consists of 21 chapters that focus on interesting topics of modeling and computational. The martensitic transformation of crystalline solids is an important diffusionless phase transformation induced by an external stress, such as a. Modelling spp propagation in an active plasmonic device 123 5. He was the recipient of the 2010 sackler prize in the physical sciences and the. Here we report that femtosecond plasmon pulses can propagate. Plasmonics, an emerging branch of nanophotonics, concerns properties of collective electronic excitations known as surface plasmons in films or nanostructures of noble metals especially au and ag. Request permission export citation add to favorites track citation. In this chapter we introduce the concept of surface plasmon polaritons spp. Controlling signals in auga waveguide using nanoscale structural. The book is a collection of the contemporary researches and developments in the area of plasmonics technology. We outline a new concept for active plasmonics that exploits lightinduced nanoscale structural. Zayats centre for nanostructured media, ircep, the queens university of belfast, belfast bt7 1nn, uk. Temnov surface plasmonpolaritons are electromagnetic waves that propagate along metaldielectric interfaces and exist over a wide range of frequencies.
Ultrafast acoustomagnetoplasmonics nanjing university. Recent developments in integrated optics and miniaturization of optical components and devices put forward new challenges for nonlinear optics at. Propagating plasmonpolariton excitations in metal nanostructures are emerging as a new type of information carrier. This chapter includes the basic knowledge to understand this thesis. Krasavin, international application published under no. A plasmonic fano switch nano letters acs publications.
It exploits the active control of surface plasmon resonance. The experimental tests designed to validate the active plasmonics concept, and to determine the energy requirements and response characteristics for plasmonic switching in gallium through a. However, we will only be able to speak about plasmonics in the same way that we speak about photonics when efficient techniques for active manipulation of spp signals are identified. Zayats centre for nanostructured media, ircep, the. London plasmonics forum 2019 anatomy lecture theatre and museum, kings building, strand campus, kings college london14 june 2019 09. Active plasmonics in wdm traffic switching applications. Alloptical and electrooptical effects as well polarisation and dispersion management with plasmonic nanostructures and their sensing applications will be overviewed. One of the prospective applications of plasmonics is in integrated. Principles and applications, encompasses theory, technical issues, and practical applications which are of interest for diverse classes of the plasmonics. Surface plasmon polaritons provide a unique opportunity to localize and guide optical signals on. New concept of active plasmonics connecting repositories. Dense packing active plasmonics supramolecular nanovalve.
Apr, 2005 active plasmonics active plasmonics we suggest, numerically model and present initial experimental results on a new concept, based on a nanoscale structural transformation in a plasmon waveguide material, which enables optical, electronic and plasmonic modulation of surface plasmonpolariton signals. Active plasmonics is an attractive emerging field in which the ability to control the surface plasmon polariton spp propagation finds many applications such as realization of fully functional integrated photonic circuitry. He also leads the uk epsrc research program on active plasmonics. Osa ultrafast siliconbased active plasmonics at telecom. An emerging branch of photonics, called plasmonics, aims to use nanostructured materials that support surface plasmons see the figure1, top left for these purposes. Light2 project spinoff project from epsrc research grant active plasmonics 3month fullcover research funding from queens university belfast. These functionalities facilitate possible applications of plasmonics in telecommunication networks, integrated photonics and labonachip systems. In conclusion, we introduce and numerically model a new concept for active plasmonics one based on a nanoscale structural transformation in a plasmon waveguide material. Smalley,1 yanhui zhao,1 ahmad ahsan nawaz,1 qingzhen hao,1 yi ma,2 iamchoon khoo,2 and tony jun huang1, 1 department of engineering science and mechanics, pennsylvania state university, university park, pa 16802, usa. Active plasmonics is a burgeoning and challenging subfield of plasmonics. Later, developments in plasmonics have become an incentive for raising new fascinating concepts, including metamaterials, and metasurfaces 30, with unprecedented abilities to control light.
We demonstrate both numerically and experimentally switching of the spp transmission based on two different approaches namely the alloptical and electrooptical at. Alloptical active components for dielectricloaded plasmonic. Nanostructured active magnetoplasmonic materials nanomagma. He is a fellow of the institute of physics, the optical society of america, and spie. We have developed a concept for active plasmonics that exploits nanoscale structural transformations which is supported by rigorous numerical analysis. Molecular plasmonics explores and exploits the moleculeplasmon.
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