Plasmonics: Merging Photonics and Electronics at Nanoscale Dimensions

Nanotechnology Research Center, Bilkent University, Bilkent, Ankara 06800 Turkey.
Science (Impact Factor: 33.61). 02/2006; 311(5758):189-93. DOI: 10.1126/science.1114849
Source: PubMed


Electronic circuits provide us with the ability to control the transport and storage of electrons. However, the performance of electronic circuits is now becoming rather limited when digital information needs to be sent from one point to another. Photonics offers an effective solution to this problem by implementing optical communication systems based on optical fibers and photonic circuits. Unfortunately, the micrometer-scale bulky components of photonics have limited the integration of these components into electronic chips, which are now measured in nanometers. Surface plasmon-based circuits, which merge electronics and photonics at the nanoscale, may offer a solution to this size-compatibility problem. Here we review the current status and future prospects of plasmonics in various applications including plasmonic chips, light generation, and nanolithography.

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    • "The emergence of plasmonic metamaterials opens a new perspective to improve the speed of information processing [1] [2] [3] [4]. Metal-based plasmonic materials offer higher speed of information processing than silica fibers at standard operational wavelength [5] [6] [7]. "

    Thin Solid Films 11/2015; DOI:10.1016/j.tsf.2015.11.005 · 1.76 Impact Factor
    • "The possibility of guiding electromagnetic waves at metal-dielectric interface along with exceptionally small mode volume has spread the applications of surface plasmon polaritons (SPP) from optical communications to biochemical sensing [1]. Due to the fact that SPPs are transverse magnetic (TM) polarized non-radiating modes, complicated architectures involving high-index prisms and gratings are employed for SPP excitation which unavoidably renders the configuration unsuitable for monolithic-integration and miniaturization [2]. "
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    ABSTRACT: We present a simple experimental route for exciting Tamm-plasmon-polariton (TPP) modes at the interface of distributed-Bragg-reflector and metal. We also discuss the spectral measurements on transverse-electric and transverse-magnetic polarized TPP modes for non-normal incidence.
    Frontiers in Optics 2015, San Jose, California United States; 10/2015
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    • "Since light may be used to drive certain LSPs, so too can some LSPs radiate, thereby focusing far-field radiation to sub-diffraction-limited length scales while simultaneously acting as nanoscopic antennas, broadcasting light from the nanoscale. This interaction between the electric field and MNPs offers a unique means to manipulate light on the nanometer length scale [2], and as a result, the characterization of the optical properties of single nanoparticles and aggregates continues to play a central role the development and advancement of nanoscience [3]. Spectroscopic methods employing far-field radiation are commonly used to study LSPs, including dark-field optical microscopy (DFOM) [4] [5] [6] [7], broadband extinction spectroscopy [8] [9], photothermal imaging [10] [11] and non-linear confocal microscopy [12]. "
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    ABSTRACT: Electron energy-loss spectroscopy (EELS) offers a window to view the properties and processes of the nanoscale. When performed in a scanning transmission electron microscope, EELS can simultaneously render images of nanoscale objects with sub-nanometer precision and correlate them with spectroscopic information of $\sim10 - 100$ meV resolution. Consequently, EELS is a near-perfect tool for understanding the optical and electronic properties of individual and few-particle assemblies of plasmonic metal nanoparticles, which are of critical importance in a wide range of fields. This review presents an overview of basic plasmonics and EELS theory and highlights several recent noteworthy experiments involving the electron-beam interrogation of plasmonic metal nanoparticle systems.
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