Patent application number | Description | Published |
20090244716 | System And Method For An In-plane Hollow Metal Waveguide Optical Power Beam Splitter - A system and methods for dividing an optical beam in a hollow metallized waveguide are disclosed. The method includes directing an optical signal into a first section of a hollow metallized waveguide. The optical signal is adiabatically expanded in a second section of the hollow metallized waveguide coupled to the first section. The optical signal is split with an in-plane optical beam splitter located in a third section of the hollow metallized waveguide coupled to the second section. | 10-01-2009 |
20090244855 | Data Processing Modules And Systems - Data processing modules including a housing and connectors carried by the housing, and systems including the same. | 10-01-2009 |
20090245296 | Tunable Optical Resonator - An optical apparatus includes a substrate comprising a layer of thermally insulating material disposed thereon; an optical resonator disposed on the layer of thermally insulating material; and a trench in the thermally insulating material disposed around at least a portion of the optical resonator. The optical resonator is substantially thermally isolated from the substrate. | 10-01-2009 |
20090245714 | Optical Resonator Tuning Using Piezoelectric Actuation - An optical resonator configured to be tuned using piezoelectric actuation, includes a core, the core being configured to transmit light; a piezoelectric layer; a first electrode and a second electrode. The piezoelectric layer is interposed between the first electrode and the second electrode. A voltage difference across the first and second electrodes alters a geometric dimension of the piezoelectric layer such that physical force is applied to the core and a resonant optical frequency of the resonator is changed. A method of utilizing mechanical stress to tune an optical resonator includes applying physical force to the resonator by subjecting a piezoelectric material to an electric field, the physical force changing a resonant frequency of the resonator. | 10-01-2009 |
20090263076 | Charge-Based Memory Cell For Optical Resonator Tuning - An optical resonator configured to be tuned using a charge-based memory cell includes an optical cavity configured to transmit light and receive injected charge carriers; a charge-based memory cell in proximity to or within the optical cavity, the memory cell containing a number of trapped charges which influence the resonant optical frequency of the optical resonator. A method of tuning an optical resonator includes applying a voltage or current to a charge-based memory cell to generate a non-volatile charge within the memory cell, the nonvolatile charge changing a resonant frequency of the optical resonator. | 10-22-2009 |
20090266413 | Photovoltaic Cells With Gratings For Scattering Light Into Light-absorption Layers - Embodiments of the present invention are directed to photovoltaic cells that include a surface relief grating to couple out-of-plane light into the leaky slab modes of the photovoltaic cells. In one embodiment of the present invention, a photovoltaic cell comprises a bottom electrode, a light-absorption layer disposed on the bottom electrode, and a top electrode disposed on the light-absorption layer. The top electrode is configured with a grating that enables light incident on the grating to be scattered into the light-absorption layer and traps incident light with particular polarizations and incident angles in the grating to interact with the light-absorption layer. | 10-29-2009 |
20090268770 | Gain Clamped Optical Device For Emitting LED Mode Light - A gain clamped optical device includes a semiconductor stack and a resonant cavity configured to emit stimulated light. A window created in the optical device is configured to emit the stimulated light in an LED mode. | 10-29-2009 |
20100018747 | Conductive Nanowires For Electrical Interconnect - An electrical interconnect includes first and second electrical contacts to be electrically connected, each electrical contact having a plurality of electrically conductive nanowires extending outwardly from a respective electrical contact; and the nanowires of the first electrical contact configured to mesh with the nanowires of the second electrical contact such that an electrical connection is established between the first electrical contact and the second electrical contact. A method for interconnecting electrical contacts includes meshing a first array of electrically conductive nanowires extending from a first electrical contact with a second array of electrically conductive nanowires extending from a second electrical contact so as to establish an electrical connection between said first and second electrical contacts. | 01-28-2010 |
20100024869 | Photovoltaic Cells With Stacked Light-Absorption Layers And Methods Of Fabricating The Same - Embodiments of the present invention are directed to photovoltaic cells configured with two or more nanowire-based, light-absorption layers, each layer capable of absorbing a different portion of the electromagnetic spectrum. In one embodiment, a photovoltaic cell comprises a substrate configured with a first planar surface, a second planar surface opposite the first planar surface, and an opening. The photovoltaic cell includes a first photovoltaic cell disposed on the first planar surface and having a first set of nanowires extending over the opening. The photovoltaic cell includes a second photovoltaic cell disposed on the second planar surface and having a second set of nanowires extending over the opening opposite the first set of nanowires. | 02-04-2010 |
20100028018 | Free-Space Optical Interconnect With Asymmetric Light Pipes - An optical interconnect system includes components such as circuit boards, server blades, or a backplane with respective light pipes for an optical signal. The light pipe in a component transmitting the optical signal receives a collimated beam and directs the collimated beam for transmission. The light pipe in a receiving component is nominally aligned with the light pipe pf the transmitting component and separated from the first light pipe by free space. The light pipe on the receiving side is larger than the light pipe on the transmitting side and can therefore accommodate an expected alignment error. | 02-04-2010 |
20120288241 | OPTO-ELECTRONICS WITH COMPLIANT ELECTRICAL CONTACTS - Methods and apparatus are provided related to opto-electronics. An opto-electronic subassembly includes electrical contacts bonded to a base by way of a compliant adhesive. The opto-electronic subassembly is mechanically engaged to a circuit board resulting in contact force loading of the compliant adhesive. Such loading maintains electrical coupling between the electrical contacts and respective circuit pathways of the circuit board. Optical signal communication between the opto-electronic subassembly and another entity is performed by way of an optical connector. | 11-15-2012 |
20130033748 | THREE-DIMENSIONAL DISPLAY SYSTEMS AND METHODS - Various embodiments of the present invention are directed to three-dimensional displays. In one aspect, a display comprises a pixel array ( | 02-07-2013 |
20130089289 | COUPLING OF A LASER SOURCE TO AN OPTICAL DATA DISTRIBUTING DEVICE - A computer system has an optical data distributing device for transmitting and distributing optical signals. A laser source generates light for forming the optical signals, and an optical fiber with a graded index of refraction couples the light from the laser source to the optical data distributing device. A lens is disposed to image light generated by the laser source into an input end of the optical fiber. The magnification of the lens is selected as a function of a ratio of a numerical aperture and diameter of the laser source divided by a ratio of a numerical aperture and diameter of the optical fiber. | 04-11-2013 |