Alloptical and electrooptical effects as well polarisation and dispersion management with plasmonic nanostructures and their sensing applications will be overviewed. 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 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. Dielectricloaded surface plasmon polariton waveguides present a particular interest for applications offering a unique platform for the realization of integrated active functionalities. 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. Zayats centre for nanostructured media, ircep, the queens university of belfast, belfast bt7 1nn, uk. 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. 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. The everimproving capabilities and wider availability of nanofabrication systems. New concept of active plasmonics connecting repositories.
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. Zayats, threedimensional numerical modeling of photonic integration with dielectricloaded spp waveguides, phys. 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. Having identified elemental gallium as a suitable candidate material for controllable active insets in plasmon waveguides, we present the results of initial. 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. Alloptical and electrooptical active plasmonic telecom. It exploits the active control of surface plasmon resonance.
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. Active nanophotonic circuitry based on dielectricloaded. Here we report that femtosecond plasmon pulses can propagate. Introduction to active plasmonics and magnetoplasmonics. Temnov surface plasmonpolaritons are electromagnetic waves that propagate along metaldielectric interfaces and exist over a wide range of frequencies. The book is a collection of the contemporary researches and developments in the area of plasmonics technology. We demonstrate both numerically and experimentally switching of the spp transmission based on two different approaches namely the alloptical and electrooptical at.
The martensitic transformation of crystalline solids is an important diffusionless phase transformation induced by an external stress, such as a. Invited paper alloptical active components for dielectricloaded plasmonic waveguides a. An emerging branch of photonics, called plasmonics, aims to use nanostructured materials that support surface plasmons see the figure1, top left for these purposes. 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. 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. We outline a new concept for active plasmonics that exploits lightinduced nanoscale structural. He is a fellow of the institute of physics, the optical society of america, and spie. Controlling signals in auga waveguide using nanoscale structural. Surface plasmons of these nanostructure arrays were inv. The concept of active plasmonics or dynamic plasmonics was first proposed in 2004 for controlling signals in a waveguide using nanoscale structural transformations. Principles and applications, encompasses theory, technical issues, and practical applications which are of interest for diverse classes of the plasmonics. He also leads the uk epsrc research program on active plasmonics. We have developed a concept for active plasmonics that exploits nanoscale structural transformations which is supported by rigorous numerical analysis. Modelling spp propagation in an active plasmonic device 123 5.
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. He was the recipient of the 2010 sackler prize in the physical sciences and the. Pdf surface plasmon polaritons, propagating bound oscillations of electrons and light at a metal surface, have great potential as information carriers. Ultrafast acoustomagnetoplasmonics nanjing university. T odays information economy is driven by the electronics and photonics technologies, which use electrons and photons, respectively, to carry, store, and process information. 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. From stretchable electronics to active plasmonics nature. 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.
High contrast modulation of plasmonic signals using nanoscale. We develop a new concept for active plasmonics exploiting nanoscale structural transformations which is supported by rigorous numerical analysis. Request permission export citation add to favorites track citation. This cited by count includes citations to the following articles in scholar. Plasmonics offers a unique opportunity to break the diffraction limit of light and localize optical signals at nanoscale dimensions. Zheludev school of physics and astronomy, university of southampton, so17 1bj, united kingdom. We discuss various types of spp and explain excitation methods. High contrast modulation of plasmonic signals using. Surface plasmon polaritons provide a unique opportunity to localize and guide optical signals on. 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.
These functionalities facilitate possible applications of plasmonics in telecommunication networks, integrated photonics and labonachip systems. The term active plasmonics was introduced in 2004 in a paper reporting the. High contrast modulation of plasmonic signals using nanoscale dualfrequency liquid crystals joseph s. It consists of 21 chapters that focus on interesting topics of modeling and computational. Active plasmonics and tuneable plasmonic metamaterials. The authors propose that spp signals in metallicondielectric waveguides containing a short gallium section could be switched by switching. Plasmonics makes use of coupling between electromagnetic waves and freeelectron excitations at the interface of good conductors. The ones marked may be different from the article in the profile.
This chapter includes the basic knowledge to understand this thesis. 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. 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. Active plasmonics in wdm traffic switching applications. We developed costeffective and highthroughput techniques to fabricate metal nanostructure arrays of various geometries on solid substrates.
Zayats centre for nanostructured media, ircep, the. Molecular plasmonics explores and exploits the moleculeplasmon. Dense packing active plasmonics supramolecular nanovalve. In this chapter we introduce the concept of surface plasmon polaritons spp. 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. Krasavin, international application published under no. Siliconbased plasmonic waveguides active plasmonics.
Coupling light to and from spp waves with gratings 114 4. Propagating plasmonpolariton excitations in metal nanostructures are emerging as a new type of information carrier. Recent developments in integrated optics and miniaturization of optical components and devices put forward new challenges for nonlinear optics at. London plasmonics forum 2019 anatomy lecture theatre and museum, kings building, strand campus, kings college london14 june 2019 09. One of the prospective applications of plasmonics is in integrated. Magnetooptically active plasmonic systems maps from micinn. Alloptical active components for dielectricloaded plasmonic. A plasmonic fano switch nano letters acs publications. Plasmonic clusters can support fano resonances, where the line shape characteristics are controlled by cluster geometry. Nanostructured active magnetoplasmonic materials nanomagma. Published 17 september 2009 iop publishing ltd journal of optics a. 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. Light2 project spinoff project from epsrc research grant active plasmonics 3month fullcover research funding from queens university belfast. Osa ultrafast siliconbased active plasmonics at telecom.
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