摘要:
Various plasmonic elements with waveguide trapping are provided. In one embodiment, a plasmonic element includes a waveguide layer including a first surface through which incident light enters the waveguide layer. The waveguide layer includes a medium and an array of plasmonic structures disposed within the medium. The medium has dielectric properties. The resonant frequency of the plasmonic structures is responsive to the dielectric properties of the medium. The plasmonic element is configured to trap incident light scattered by the plasmonic structures in a waveguide mode.
摘要:
Provided are a waveguide with which strain and defect caused by a manufacturing process or the like or caused in a semiconductor in an initial stage or during operation are suppressed so that improvement and stabilization of characteristics are expected, and a method of manufacturing the waveguide. A waveguide (107) includes a first conductor layer (103) and a second conductor layer (104) that are composed of a negative dielectric constant medium having a negative real part of dielectric constant with respect to an electromagnetic wave in a waveguide mode, and a core layer (108) that is in contact with and placed between the first conductor layer and the second conductor layer, and includes a semiconductor portion (101). The core layer including the semiconductor portion has a particular depressed and projected structure extending in an in-plane direction.
摘要:
A resonator structure (100) for supporting radiation in a resonating cavity (170) is described. The resonator structure (100) comprises a metal ― insulator - metal waveguide, the metal ― insulator - metal waveguide comprising two metal layers (110, 130) and an insulating layer (120) sandwiched between the two metal layers (110, 130). The resonator structure (100) also comprises at least one nano-scale metallic reflector (160a, 160b), the at least one nano-scale metallic reflector (160a, 160b) being positioned at least partly in the insulating layer (120) and forming at least one mirror of the resonating cavity in the insulating layer (120).
摘要:
The invention relates to an integrated solar cell which includes a plasmonic layer which includes a pattern configured to support plasmon waves, The plasmonic layer is configured to receive as input light energy of an incident light and at least one photon of light received from one or more layers in optical communication with the plasmonic layer and to re-emit as output a guided light to the one or more layers in optical communication with the plasmonic layer. A wavelength conversion layer is configured to receive as input at least one photon having a first wavelength and to provide as output at least one photon having a second wavelength different than the first wavelength. A photovoltaic layer is optically coupled to both the wavelength conversion layer and the plasmonic layer, the photovoltaic layer configured to convert at least one photon having the second wavelength to electrical energy.
摘要:
Various aspects of the prsent invention are directed to electric-field-enhancement structures (100) and detection apparatuses (600, 700, 800) that employ such electric-field-enhancement structures. In one aspect of the present invention, an electric-field-enhancement structure (100) includes a substrate (102) having a surface (104). The substrate (102) is capable of supporting a planar mode (114) having a planar-mode frequency. A plurality of nanofeatures (106) is associated with the surface (104), and each of nanofeatures (106) exhibits a localized-surface-plasmon mode (116) having a localized-surface-plasmon frequency approximately equal to the planar-mode frequency.
摘要:
Circuits (10) and circuit elements adapted to function at optical or infrared frequencies are made from plasmonic (1) and/or nonplasmonic (2) particles disposed on a substrate, where the plasmonic and nonplasmonic particles have respective dimensions substantially smaller than a wavelength of an applied optical or infrared signal. Such particles are deposited on a substrate in a variety of shapes and sizes from a variety of plasmonic and/or nonplasmonic materials so as to form resistors, capacitors, inductors and circuits made from combinations of these elements.