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| Number | Title | Issue Date |
| 7348786 | Probe module for testing chips with electrical and optical input/output interconnects, methods of use, and methods of fabrication Probe modules, methods of use of probe modules, and methods of preparing probe modules, are disclosed. A representative embodiment of a probe module, among others, includes a redistribution substrate and a probe substrate interfaced with the redistribution substrate... | 03/25/2008 |
| 7348530 | System, method and apparatus for regulating the light emitted by a light source In one embodiment, apparatus is provided with a light source, an optic element, at least one photosensor, and a control system. The optic element has a reflective material on a surface thereof, and is positioned to receive and reflect light emitted by the light sour... | 03/25/2008 |
| 7349628 | MMI based device A device and method for multiplexing or demultiplexing M optical signals, each having a different wavelength λm. An MMI waveguide has a length such that each optical signal that propagates into the MMI waveguide at an i:th access waveguide, where i≦N, ... | 03/25/2008 |
| 7349595 | Bandpass filter and method for increasing the sensitivity on reception of an optical signal A bandpass filter, and associated method, are provided for an optical data signal, wherein the transmission curve of the bandpass filter has a passband at a mid-frequency for a particular bandwidth. The transmission curve has an attenuation range which covers the mi... | 03/25/2008 |
| 7347631 | Optical power monitor An optical power monitor having a reduced number of component parts, easy to assemble, capable of facilitating positioning for achieving improved optical coupling, and having a reduced size and a reduced manufacturing cost. A pigtail fiber in which the center axis o... | 03/25/2008 |
| 7349601 | Optical coupler A coupling element (3) and a waveguide structure (4) are deposited on a common substrate (2) of an optical component (1). The coupling element (3) serves for the optical coupling of the waveguide structures (4) to a further ... | 03/25/2008 |
| 7346234 | Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based multi-axes rotation Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by using rotation of the micromirror about both the ... | 03/18/2008 |
| 7346241 | Optical microresonator with microcylinder and circumferential coating forming resonant waveguides An optical microresonator and method of forming same includes a microcylinder and a circumferential coating formed on the microcylinder. This coating has a higher index of refraction than the microcylinder and is of such thickness relative to the diameter of the mic... | 03/18/2008 |
| 7343065 | Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same When in an optical signal amplifying triode 10, light of a second wavelength λ2, selected from among light from a first optical amplifier 26, into which a first input light L1 of a first wavelength λ1 and a second inp... | 03/11/2008 |
| 7343067 | Precise and permanent modification of the resonant frequency of a dielectric microcavity and correction of frequency shifts in dielectric coupled-resonator filters A coupled resonator includes a plurality of resonators such that at least one of the resonators is modified so as to adjust the resonant frequency associated with the coupled resonator. ... | 03/11/2008 |
| 7343072 | Light modulator package having inclined light transmissive lid Disclosed herein is a light modulator package having an inclined light transmissive lid which is manufactured or positioned such that a surface of the light transmissive lid is inclined relative to a reflective surface of a light modulating array. ... | 03/11/2008 |
| 7343062 | Safety light curtain with MEMS A safety light curtain comprises a light emitter and a first micro-machined electromechanical system (MEMS), wherein the first MEMS receives light emitted by the emitter and sequentially reflects the received light to a first plurality of light wave guides. A detect... | 03/11/2008 |
| 7343060 | Light transmission and reception module, sub-mount, and method of manufacturing the sub-mount A light transmission and reception module includes: a belt-shaped macromolecular optical waveguide film having an optical waveguide, an optical transmitter having a light emitting element and a first sub-mount for holding the light emitting element, for holding one ... | 03/11/2008 |
| 7340187 | Optical signal monitoring method and apparatus In an optical signal monitoring method in wavelength multiplexing and an optical network, an area corresponding to a characteristic pattern of an eye pattern of an optical signal to be monitored, which characterizes a deterioration, is extracted from a database stor... | 03/04/2008 |
| 7340116 | Optical switch, optical modulator and wavelength variable filter An optical switch, an optical modulator, and a wavelength variable filter each have a simple configuration, which requires only a low driving voltage, which is independent of polarization, and which can operate at high speed. An optical switch includes a 3-dB couple... | 03/04/2008 |
| 7339714 | Variable blazed grating based signal processing A light processing system includes an array of optical signal processing devices. The array of processing devices are operable to receive at least some of a first signal part and to modulate the first signal part based at least in part on a control signal received f... | 03/04/2008 |
| 7340123 | Optical multiplexer and demultiplexer systems and methods using interference filters Multiple channel multiplexing and demultiplexing systems and methods are provided for use in optical communication systems. In one embodiment, an optical multiplexer/demultiplexer system comprises an optical filter, a first optical isolator in optical communication ... | 03/04/2008 |
| 7340138 | Optical fiber devices and methods for interconnecting dissimilar fibers A coupling waveguide is interconnected between a launching fiber and a receiving fiber to reduce coupling loss. The coupling waveguide includes an integrally formed graded index lens having a non-parabolic refractive index profile. The graded index lens receives as ... | 03/04/2008 |
| 7340142 | Integrated optoelectronic device and method of fabricating the same An integrated optoelectronic device includes optical waveguide elements containing InGaAlAs as a principal component, formed on an InP substrate and connected in an end-to-end fashion by butt jointing. An InGaAsP layer is formed on the InP substrate to suppress the ... | 03/04/2008 |
| 7340184 | Linearized Optical Transmitter Using Feedback Control Apparatus and methods for linearizing an optical transmitter are described. A linearized optical transmitter according to the present invention includes a modulator bias voltage supply that biases an optical modulator. The optical modulator modulates an optical sign... | 03/04/2008 |
| 7339727 | Method and system for diffractive beam combining using DOE combiner with passive phase control A system and method for combining plural low power light beams into a coherent high power light beam. Optical amplifiers transmit a plurality of light beams propagating at a common wavelength through an array of optical fiber emitters. Each constituent beam is emitt... | 03/04/2008 |
| 7336856 | Optimum delay length for a PMD compensator A method for selecting an optimum delay length in a polarization mode dispersion (PMD) compensator configured with a constant-length delay line and deployed in an optical communication system. The optimum delay length depends on the data modulation format, bit rate,... | 02/26/2008 |
| 7336684 | Planar multiwavelength optical power supply on a silicon platform A microphotonic light source includes an optical pump and a plurality of waveguides that distribute optical pump power of the optical pump. At least one Erbium-doped laser ring is coupled to at least one of the waveguides so as to match the resonance condition of th... | 02/26/2008 |
| 7336861 | Fiber-optic sensor or modulator using tuning of long period gratings with self-assembled layers The provision of an ionic self-assembled multilayer (ISAM) film on a fiber-optic element including a long period grating (LPG) by a simple, room temperature process provides tuning of the LPG and/or high sensitivity to the refractive index of the ambient environment... | 02/26/2008 |
| 7336885 | Test apparatus, optical coupler and method of manufacturing same A test apparatus including an optical coupler for optically coupling a main frame and a test head is provided. The optical coupler has a plurality of optical fiber cables, a cable storage chain for bundling a stored portion except for a non-stored portion in a part ... | 02/26/2008 |
| 7336869 | System and method for implementing a high capacity unrepeatered optical communication system A method of communicating an optical signal includes generating an optical signal at a bit rate of at least 2.5 Gb/s. The optical signal including at least thirty optical channels. In one particular embodiment, at least some of the thirty optical channels reside wit... | 02/26/2008 |
| 7334326 | Method for making an integrated circuit substrate having embedded passive components A method for making an integrated circuit substrate having embedded passive components provides a reduced cost and compact package for a die and one or more passive components. An insulating layer of the substrate is embossed or laser-ablated to generate apertures f... | 02/26/2008 |
| 7333685 | Variable optical attenuator systems Low loss, reliable variable optical attenuators and 1×2 switches and polarization insensitive low loss, reliable variable optical attenuators and 1×2 optical switches are described. In one embodiment, a system of the present invention includes a polarization separ... | 02/19/2008 |
| 7333684 | Stack-integrated package of optical transceiver for single core full duplex fiber communications This invention relates to a novel stack-integration package of a light emitter and a photodetector in a high speed, full duplex optical transceiver for fiber communications. The structure is comprised of a photodetector chip, having an isolated micromachined cavity ... | 02/19/2008 |
| 7333682 | Photoelectric composite interconnection assembly and electronics device using same A photoelectric composite interconnection assembly having: a flexible substrate having an electric interconnection; and an electrical interface provided at both ends of the electric interconnection. A part of the electric interconnection is replaced by an optical tr... | 02/19/2008 |
| 7333695 | Singulated dies in a parallel optics module A parallel optics module including singulated dies. A first singulated die includes a first semiconductor optical component, and a second die includes a second semiconductor optical component. The first and second dies are mounted to a substrate. The first and secon... | 02/19/2008 |
| 7333708 | Multi-port optical connection terminal A multi-port optical connection terminal for use as a branch point in a fiber optic communications network at a distance from a mid-span access location provided on a distribution cable having a plurality of optical fibers. The multi-port terminal includes a base an... | 02/19/2008 |
| 7331720 | Transceiver module for optical communications and method for transmitting and receiving data A transceiver module for optical communications is provided in which the leadframe assembly includes at least first and second die attach regions to which the laser diode driver IC and the laser diode IC are secured, respectively. A slot formed in the leadframe betw... | 02/19/2008 |
| 7333687 | Dual-filter architecture for reduced dispersion Chromatic dispersion of thin-film based mux/demux and add/drop modules can be reduced. Thin-film devices can be arranged in a specific order in the module. Multiple kinds of filters are used to remove “even” and “odd” channels, or other divisions of channels... | 02/19/2008 |
| 7332782 | Dye-sensitized solar cell A dye-sensitized solar cell with high conversion efficiency is provided. The dye-sensitized solar cell according to the present invention has, between an electrode (2) formed on a surface of a transparent substrate (1) and a counter electrode (6... | 02/19/2008 |
| 7333692 | Optical waveguide assembled with an optical subunit having a diffractive element set and an optical component An apparatus comprises an optical transmission element, a diffractive element set formed in or on the transmission element, and an optical component. The diffractive element set is positioned to enable spatial overlap of diffractive elements and an evanescent optica... | 02/19/2008 |
| 7333733 | Optoelectronic clock generator producing high frequency optoelectronic pulse trains with variable frequency and variable duty cycle and low jitter An optoelectronic pulse generator is provided that includes a thyristor detector/emitter device having an input port and an output port. The thyristor detector/emitter device is adapted to detect an input optical pulse supplied to the input port and to produce an ou... | 02/19/2008 |
| 7330614 | Integrated optical spectrometer incorporating sets of diffractive elements An exemplary optical apparatus comprises: an optical element having multiple sets of diffractive elements; and a photodetector. The diffractive elements of each set are collectively arranged so as to comprise corresponding spectral and spatial transformation informa... | 02/12/2008 |
| 7330304 | Method and apparatus for PPM demodulation using a semiconductor optical amplifier An optical pulse position modulation receiver relying on the gain dynamics in a semiconductor optical amplifier (SOA). Optical PPM signal pulses and periodic optical clock pulses at a different frequency and/or polarization than the signal pulses are coupled into an... | 02/12/2008 |
| 7327440 | Distance measuring device A distance measuring device is disclosed which can measure the distance to an object located within a known range. The device uses beam splitters and lenses to focus and direct energy reflected from an object onto at least two bi-sensors. The bi-sensors each have an... | 02/05/2008 |
