Pacific Wave Industries, Inc.

Other

Joseph Michael

Harold R Fetterman

William H Steier

Cheng Zhang

Min-Cheol Oh

Fang Wang

Larry R Dalton

Talal Azfar

Joshua Beroukhim

Chuanguang Wang

Aaron W Harper

Daniel H Chang

Albert S Ren

Jan Grinberg

Serge Dubovitsky

Hua Zhang

Louis R Siringo

Hernan Erlig

Ilya Y Poberezhskiy

Leonid Bukshpun

A method for monitoring, managing, and facilitating transactions involving a vehicle includes: accessing information including one or more inputs and/or parameters for a transaction involving a vehicle, at least one of the inputs and/or parameters identifying the vehicle or being associated with or established in association with the vehicle; and facilitating or initiating a process of charging an account depending upon the one or more inputs and/or parameters.

Systems and methods for monitoring, managing, and facilitating transactions involving vehicles

A method for improving media search capability includes providing a user with access to an interface that allows the user to provide one or more inputs relating to an item of media (such as an audio or video recording of a song or a cover song), performing a media search in response to the one or more inputs, and presenting search results via an interactive display generated depending upon media ratings, wherein one or more of the media ratings is determined from media ratings inputs depending upon one or more metrics associated with sources or providers of the media ratings inputs.

Website, user interfaces, and applications facilitating improved media search capability

A power balanced photonic RF phase shifter includes: a microwave drive; a phase controller operably connected to the microwave drive; and a linearizing arm connected in parallel with the microwave drive, the linearizing arm operating under a bias voltage, V, that is controlled such that power variations of the photonic RF phase shifter are mitigated. In a preferred embodiment, the bias voltage, V, is controlled to keep an optical phase of the photonic RF phase shifter at a constant value. In a preferred embodiment, the microwave drive, the phase controller and the linearizing arm comprise (three) Mach-Zehnder modulators.

Photonic RF phase shifter with mitigated RF power fluctuation and devices incorporating the same

A structure for effecting a transition from a passive waveguide to an active waveguide or from an active waveguide to a passive waveguide of the present invention. The inventive device comprises a first cladding; a first core disposed within the first cladding; and a ground plane disposed over the first cladding and the core. A second cladding is disposed on the ground plane. A second core is disposed on the second cladding. A third cladding is disposed on the second cladding and the second core and an electrode is disposed on top of the third cladding. The inventive structure enables the construction of a novel an advantageous switch comprising an input port; an output port; and plural waveguides disposed between the input port and the output port. Each waveguide includes a first cladding; a first core disposed within the first cladding; and a ground plane disposed over the first cladding and the core. A second cladding is disposed on the ground plane. A second core is disposed on the second cladding. A third cladding is disposed on the second cladding and the second core and an electrode is disposed on top of the third cladding. The inventive structure also enables a unique and advantageous router design comprising an active tuned arrayed waveguide grating and switching logic for controlling the grating.

Ultra-high speed, active polymer-silica hydrid, single control voltage MMI-based 1-BY-N packet switch and WG-based WDM packet router/TDM converter and methods of making same

A tapered electrooptic (EO) polymer waveguide interconnection structure coupling an EO polymer waveguide and a passive polymer waveguide and a method of fabricating the same.

Tapered waveguide interconnection structure and method of fabricating the same

A method for suppressing distortion in a multi-wavelengths system which uses a Mach Zehnder optical modulator includes adjusting an internal path length mismatch of the modulator and changing an applied voltage, V , such that the combination biases the modulator to the required &pgr;/2 phase bias.

Method for suppressing distortion in mach-zehnder optical modulators with a chirped or variable operating wavelength

An electro-optical modulator and a method for biasing a Mach-Zehnder modulator. The inventive modulator includes a layer of material at least partially transparent to electromagnetic energy. A first conductive layer is disposed on a first surface of the layer of at least partially transparent material. A second conductive layer is disposed on a second surface of the layer of at least partially transparent material. A layer of insulating material is disposed on the second conductive layer and a third conductive layer is disposed on the layer of insulating material. In the illustrative application, the modulator is a Mach-Zehnder modulator. A biasing potential is applied to the second conductive layer of the modulator and a modulating voltage is applied across the first and the third conductive layers.

Back biased electro-optical modulator

A frequency shifting device. The present invention provides a device and method for shifting a frequency of an optical signal comprising the steps of providing a layer of optically refractive material having a moving refractive boundary responsive to an application of an electrical signal. The inventive device includes a layer of optically refractive material having a refractive boundary responsive to an application of an electrical signal and an arrangement for providing an electrical signal to the layer to effect a predetermined frequency shift of an optical signal passing therethrough. In an illustrative embodiment, the device includes an active polymer layer, an optically conductive first cladding disposed beneath the active polymer layer, and a second cladding layer disposed above the active polymer layer, a microstrip line disposed over the second cladding layer and a ground plane beneath the first cladding layer.

System and method for wavelength conversion using traveling-wave polymers for WDM applications

Polymers containing polyene-bridged second-order nonlinear optical chromophores and devices incorporating the same are disclosed. The chromophores are functionalized and incorporated into a series of polymers ranging from linear polyesters, linear poly&lsqb;ester-imide&rsqb;s, chain-crosslinked polyesters/poly&lsqb;ester-imide&rsqb;s, to crosslinked star-shaped/dendritic macromolecules. An exemplary preferred polymer is a linear chain polymer formed from a dihydroxy-functionalized polyene-bridged chromophore, a diacid or diacid dichloride, and a diol. In a preferred embodiment, the diol structure also includes at least one imide group. Another exemplary preferred polymer is a crosslinked polymer comprised of a linear chain polymer formed from a dihydroxy-functionalized polyene-bridged chromophore, a diacid or diacid dichloride and a diol. The crosslinking is realized by thermally induced cyclolization of trifluorovinylethers which are attached to the diol co-monomer and/or chromophore in the linear chain polymer chain. In a preferred embodiment, the diol structure also includes at least one imide group. Another exemplary preferred polymer is a crosslinked polymer made from crosslinkable star-shaped high molecular weight (larger than 2,000) structure containing polyene-bridged chromophores. In a preferred embodiment, the crosslinking groups are multiple trifluorovinylether groups located at the periphery of the star-shaped structure. Another exemplary preferred polymer is a crosslinked polymer made from crosslinkable dendritic structure having a chromophore core and one or more dendrons. In a preferred embodiment, the crosslinking groups are multiple trifluorovinylether groups located at the periphery of the dendritic structure.

Polymers containing polyene-based second-order nonlinear optical chromophores and devices incorporating the same

Ultra-high speed, active polymer-silica hybrid, single control voltage MMI-based 1-by-N packet switch and WG-based WDM packet router/TDM converter and methods of making same

Sterically stabilized second-order nonlinear optical chromophores and devices incorporating the same are embodied in a variety of chromophore materials. An exemplary preferred chromophore includes an electron donor group, an electron acceptor group and a ring-locked bridge structure therebetween, with the bridge structure being directly connected to the electron donor via a single bond. Another exemplary preferred chromophore includes an electron donor group, an electron acceptor group and a ring-locked bridge structure between the electron donor group and the electron acceptor group, with two free double bonds, one located between the donor and the bridge and the other located between the (fused) ring bridge and the acceptor. Another exemplary preferred chromophore includes an electron donor group, an electron acceptor group, and a bridge structure therebetween, with the chromophores having no carbon-carbon double bond between the donor and the (fused) ring bridge. In this class, there is only one unlocked carbon-carbon double bond between the (fused) ring bridge and the acceptor. Another exemplary preferred chromophore includes an electron donor group, an electron acceptor group, and a ring-locked bridge structure therebetween, with a built-in electron-withdrawing cyano group on the last ring of the (fused) bridge. Another exemplary preferred chromophore includes any electron donor group, an electron acceptor group including a linear conjugated triene bearing four cyano groups, and any bridge structure therebetween.

Sterically stabilized second-order nonlinear optical chromophores with improved stability and devices incorporating the same

Method for manufacturing an electro-optic polymer waveguide device including the step of electrode poling an electro-optic polymer material of the device in an oxygen-free environment. In a preferred embodiment, the electrode poling is performed at a temperature close to a glass transition temperature of the electro-optic polymer material.

Techniques for electrode poling of electro-optic polymers to eliminate poling induced optical loss and poling induced damage to electro-optic chromophores

Second-order nonlinear optical (NLO) polyene-based chromophores sterically stabilized with a dioxine ring and NLO chromophores containing bithiophene derivatives, and devices incorporating the same, are disclosed. An exemplary preferred chromophore includes an aminophenyl electron donor group and a dioxine-containing bridge structure. Another exemplary preferred chromophore includes a ring-locked bridge structure with a dioxine unit and a bithiophene unit. Another exemplary preferred chromophore includes a bridge structure with a bithiophene unit and an isophorone-derived cyclohexene unit.

Second-order nonlinear optical chromophores containing dioxine and/or bithiophene as conjugate bridge and devices incorporating the same

A method of batch fabrication of ultraminiature fiber optic pressure transducers including the steps of: providing a first substrate with a first sacrificial layer formed thereover; forming a plurality of light reflective diaphragm structures on the first sacrificial layer; forming a plurality of fiber stopper structures on the light reflective diaphragm structures; forming a plurality of fiber alignment cavity structures on the fiber stopper structures, the light reflective diaphragm structures, fiber stopper structures and fiber alignment cavity structures providing a plurality of fiber alignment assemblies; providing a second substrate with a second sacrificial layer formed thereover; forming a plurality of ferrule structures over the second sacrificial layer; inputting a plurality of fibers into the ferrule structures and sealing each of the ferrule structures to the fiber inserted therein, the ferrule structures and the fibers providing a plurality of fiber-ferrule assemblies; etching the second sacrificial layer releasing the fiber-ferrule assemblies; inputting the fiber-ferrule assemblies into the fiber alignment assemblies and sealing each of the fiber alignment assemblies to the fiber-ferrule assembly inserted therein, the fiber alignment assemblies and the fiber-ferrule assemblies providing a plurality of fiber optic pressure transducers; and etching the first sacrificial layer releasing the fiber optic pressure transducers.

Growing community of inventors

Los Angeles, CA, United States of America

Joseph Michael