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| Number | Title | Issue Date |
| 8184668 | Method for reducing capacitance and improving high frequency performance in vertical cavity surface emitting lasers (VCSELs) A VCSEL structure is provided. The VCSEL structure comprises a substrate. The structure may also include one or more conducting layers positioned on the substrate. There may be void spaces positioned between portions of the conducting layers to electrically isolate ... | 05/22/2012 |
| 8126577 | Monitoring and control of electronic devices A method, a system, and a computer program product for managing one or more electronic devices. Performance of an electronic device is monitored and presented to a user through a digital agent interface. The performance of the electronic device is controlled automat... | 02/28/2012 |
| 7905114 | Method for forming optical fiber preforms Optical fiber preforms can comprise a glass preform structure with an inner cavity. A powder can be placed within the inner cavity having an average primary particle size of less than about one micron. The powder can be in the form of an unagglomerated particles or ... | 03/15/2011 |
| 7903712 | Method for reducing capacitance and improving high frequency performance in vertical cavity surface emitting lasers (VCSELs) A VCSEL structure is provided. The VCSEL structure comprises a substrate consisting of a III-V material. The structure may also include one or more conducting layers positioned on said substrate. There may be void spaces positioned between portions of the conducting... | 03/08/2011 |
| 7776406 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 08/17/2010 |
| 7756168 | Method for improving high frequency operation of a vertical cavity surface emitting laser (VCSEL) with monolithically integrated bridge arm A vertical cavity laser apparatus is provided. In one embodiment, the apparatus includes an electrically responsive substrate; a support block positioned on the electrically responsive substrate; a bridge arm structure coupled to the support block, the structure hav... | 07/13/2010 |
| 7720328 | Thermal control of optical components A linearized thermal and optical model of an optical integrated circuit can be used to temperature-stabilize one or more optical elements of the circuit using active temperature regulation. To stabilize a single optical element, a temperature sensor and a heater can... | 05/18/2010 |
| 7601919 | Printed circuit boards for high-speed communication Apparatus and method for communicating high-speed signals between a primary printed circuit board and one or more secondary printed circuit boards. The high-speed signals are communicated between the primary printed circuit boards and the secondary printed circuit b... | 10/13/2009 |
| 7587138 | Broadband 2×2 optical splitter An optical device containing a four-port optical mixer capable of distributing the optical power presented at either or both of two input ports to specified ratios in two output ports. ... | 09/08/2009 |
| 7577324 | Methods to reduce polarization dependent loss in planar lightwave circuits Polarization dependent loss may be reduced by providing at least one dummy waveguide or at least one dummy metal structure. Polarization dependent loss may also be reduced by imposing a mechanical force on the OIC to exert mechanical stress thereby changing at least... | 08/18/2009 |
| 7574084 | Photodetector coupled to a planar waveguide An improved electro-optical system has a planar waveguide coupled to a photodetector through a transparent substrate. The planar waveguide is within a planar optical structure that can be part of optical communication network. The photodetector is positioned to rece... | 08/11/2009 |
| 7539364 | Method and apparatus facilitating mechanical beam steering for optical integrated circuits Actuators facilitating mechanical beam steering for optical integrated circuits are disclosed. The mechanical beam steering can mitigate thermal sensitivity of optical circuits, for example, arrayed waveguides. Also disclosed are methods for fabricating optical inte... | 05/26/2009 |
| 7492992 | Bi-directional PLC transceiver device An integrated bi-directional transceiver device for multiple wavelength optical signals that has a high level of wavelength isolation at the receivers of the device and low cross-talk of light between an external laser transmitter and the receivers. A WDM planar lig... | 02/17/2009 |
| 7447394 | Stable center wavelength performance in non-rectilinearly shaped optical integrated circuit chip An optical device with a non-rectilinearly shaped optical integrated circuit over a substantially flat portion of a riser, the riser also equipped with a relief structure that is in thermal contact with a stabilizing brace that is in turn connected to two portions o... | 11/04/2008 |
| 7447393 | Thermal control of optical components A linearized thermal and optical model of an optical integrated circuit can be used to temperature-stabilize one or more optical elements of the circuit using active temperature regulation. To stabilize a single optical element, such as an arrayed waveguide grating ... | 11/04/2008 |
| 7437047 | Optical materials with selected index-of-refraction Photosensitive optical materials are used for establishing more versatile approaches for optical device formation. In some embodiments, unpatterned light is used to shift the index-of-refraction of planar optical structures to shift the index-of-refraction of the ph... | 10/14/2008 |
| 7391940 | Integrated gradient index lenses Gradient index lenses are described that are integrated within a planar optical structure. The gradient index lens is optically coupled to a planar optical waveguide. In some embodiments, the gradient index lens with variation in index-of-refraction n one dimension ... | 06/24/2008 |
| 7372121 | GeBPSG top clad for a planar lightwave circuit A method of depositing a top clad layer for an optical waveguide of a planar lightwave circuit. A GeBPSG top clad layer for an optical waveguide structure of a planar lightwave circuit is fabricated such that the top clad layer comprises doped silica glass, wherein ... | 05/13/2008 |
| 7306845 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 12/11/2007 |
| 7272273 | Photodetector coupled to a planar waveguide An improved electro-optical system has a planar waveguide coupled to a photodetector through a transparent substrate. The planar waveguide is within a planar optical structure that can be part of optical communication network. The photodetector is positioned to rece... | 09/18/2007 |
| 7224882 | Optical materials with selected index-of-refraction Photosensitive optical materials are used for establishing more versatile approaches for optical device formation. In some embodiments, unpatterned light is used to shift the index-of-refraction of planar optical structures to shift the index-of-refraction of the ph... | 05/29/2007 |
| 7194162 | Filter response optimization for an arrayed waveguide grating device by adjusting grating optical path length at nanometer scale A method of optimizing a filter response of an arrayed waveguide grating is disclosed. The method includes the step of measuring a respective phase error of a plurality of waveguide cores of the arrayed waveguide grating. Once the phase error is measured, a respecti... | 03/20/2007 |
| 7164818 | Integrated gradient index lenses Gradient index lenses are described that are integrated within a planar optical structure. The gradient index lens is optically coupled to a planar optical waveguide. In some embodiments, the gradient index lens with variation in index-of-refraction in one dimension... | 01/16/2007 |
| 7039264 | Multilayered optical structures Monolithic optical structures include a plurality of layer with each layer having an isolated optical pathway confined within a portion of the layer. The monolithic optical structure can be used as an optical fiber preform. Alternatively or additionally, the monolit... | 05/02/2006 |
| 6952504 | Three dimensional engineering of planar optical structures Three dimensional optical structures are described that can have various integrations between optical devices within and between layers of the optical structure. Optical turning elements can provide optical pathways between layers of optical devices. Methods are des... | 10/04/2005 |
| 6849334 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 02/01/2005 |
