Patent application number | Description | Published |
20090135870 | Light source based on simultaneous Two-Photon emission - A semiconductor device which produces at least 1 W/m2 two photon emission power per area, when operating at one or more temperatures greater than 20 K. | 05-28-2009 |
20090314644 | Method and Device for Electrokinetic Manipulation - A device for manipulating an object present in a fluid by electrokinetics is disclosed. The device comprises a substrate forming a flow chamber. The device further comprises a plurality of electrically biasable electrode structures and at least one electrically floating electrode structure. | 12-24-2009 |
20100267234 | FOCUSED ION BEAM DEEP NANO-PATTERNING APPARATUS AND METHOD - The present invention introduces a new technique allowing the fabrication of high-aspect ratio nanoscale semiconductor structures and local device modifications using FIB technology. The unwanted semiconductor sputtering in the beam tail region prevented by a thin slow-sputter-rate layer which responds much slower and mostly to the high-intensity ion beam center, thus acting as a saturated absorber funnel-like mask for the semiconductor. The protective layer can be deposited locally using FIB, thus enabling this technique for local device modifications, which is impossible using existing technology. Furthermore, such protective layers allow much higher resolution and nanoscale milling can be achieved with very high aspect ratios, e.g. Ti layer results in aspect ratio higher than 10 versus bare semiconductor milling ratio of about 3. | 10-21-2010 |
20120160993 | SYSTEM AND METHOD FOR ANALYZING LIGHT BY THREE-PHOTON COUNTING - A system for measuring one or more characteristics of light of a photon energy E | 06-28-2012 |
20120184827 | MINIATURE DISEASE OPTICAL SPECTROSCOPY DIAGNOSTIC SYSTEM - A miniature medical spectrometer is provided, the spectrometer comprises: a room temperature, electrically excited, solid state two photon laser generating high intensity broad wavelength; a light projection optics, projecting said generated light on biological subject; a light collection optics, collecting reflected light from said biological subject; a wavelength selector spectrally analyzing said collected light; a detector, detecting said analyzed light; and a controller analyzing the reflected spectra and calculating result indicative of the medical state of the biological subject based on said spectrum. | 07-19-2012 |
20120223354 | SEMICONDUCTOR TWO-PHOTO DEVICE - A semiconductor, room-temperature, electrically excited, two-photon device with thick optically active layer is provided. The intrinsic AlGaAs active layer is sandwiched between two intrinsic graded waveguide layers having increased aluminum concentration at increased distance from the active layer. The waveguide structure is sandwiched between two cladding layers of high aluminum concentration, n and p doped respectively. The structure is epitaxially grown on a substrate and further comprises other layers such as buffer, graded layers and contact layers. An etched ridge provides lateral confinement for light. The device provides two-photons gain and may be used in light sources, optical amplifiers, pulse compressors and lasers. | 09-06-2012 |
20140307999 | CHARGE-DISCHARGE ELECTRO-OPTICAL MICRORING MODULATOR - An apparatus includes an optical ring resonator, first and second optical couplers, and control circuitry. The first optical coupler is configured to modulate an input optical signal traversing an optical waveguide, by tuning cross-coupling of energy between the optical waveguide and the ring resonator with a first variable coupling coefficient. The second optical coupler is configured to tune cross-coupling of energy between the ring resonator and an auxiliary optical signal, different from the input optical signal, with a second variable coupling coefficient. The control circuitry is configured to modulate the first coupling coefficient with a first control signal so as to modulate the input optical signal, and to modulate the second coupling coefficient with a second control signal, so as to retain a constant electrical-field complex envelope in the ring resonator. | 10-16-2014 |
20140321805 | ULTRA-FLAT PLASMONIC OPTICAL HORN ANTENNA - An optical device includes a substrate, a metallic layer, a dielectric filling and a light collection element. The substrate has first and second opposite surfaces, and has a funnel-shaped cavity between a first aperture on the first surface and a second aperture on the second surface. The metallic layer covers an inner wall of the funnel-shaped cavity. The dielectric filling is disposed over the metallic layer and fills the funnel-shaped cavity. The light collection element is coupled to the second aperture, and is configured to collect light that impinges on the first aperture and is directed to the second aperture by the metallic layer and dielectric filling. | 10-30-2014 |