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9042684 Electro-optic modulator  
An electro-optical modulator device includes an optical signal path partially defined by a waveguide portion, a radio frequency (RF) signal path partially defined by a conductive line portion, an...
9042683 Optical modulator including graphene  
An optical modulator includes a first graphene and a second graphene on an upper surface of a semiconductor layer, a first electrode on the first graphene, and a second electrode on the second...
9042685 Photonic monitoring for optical signals  
This invention concerns real-time multi-impairment signal performance monitoring. In particular it concerns an optical device, for instance a monolithic integrated photonics chip, comprising a...
9042687 Waveguide lens for coupling laser light source and optical element  
A waveguide lens includes a substrate, a planar waveguide formed on the substrate and configured to couple with a laser light source that emits a laser beam into the planar waveguide along an...
9036951 Silicon acousto-optic modulator structure and method  
An electro-optic structure, which may comprise an acousto-optic modulator for use in an opto-acoustic oscillator, comprises a plurality of rigidly connected resonator core components located...
9036953 Electro-optical modulator based on carrier depletion or carrier accumulation in semiconductors with advanced electrode configuration  
An electro-optical modulator with two electrodes as part of a transmission line of a first phase modulator and two electrodes as part of a transmission line of a second phase modulator included in...
9036239 Massive electrooptical cell having a fine structure and based on materials with giant electrooptical coefficients, its method of fabrication  
Electrooptical cell, including, on a substrate (1), a layer of ferroelectric massive material (4), with an electrode (2) forming an earth plane, provided between the substrate (1) and the...
9036952 Electro-optical assembly for silicon photonic chip and electro-optical carrier  
An electro-optical device and method of assembly is disclosed. A first unit of the electro-optical device is positioned with respect to a second unit of the electro-optical device to pre-align an...
9031361 Optical module  
An optical module has a circuit board, a photoelectric conversion element mounted on a mount surface of the circuit board, an optical coupling member for holding an optical fiber and optically...
9020312 Connecting channel  
Provided is a connecting channel that has manufacturing tolerance, can suppress light loses, improves reliability of the connecting channel, and connects an optical device and an optical...
9020306 Stable lithium niobate waveguide devices, and methods of making and using same  
Embodiments of the present invention provide stable lithium niobate waveguide devices, and methods of making and using the same. A lithium niobate-based waveguide device may include a Z-cut...
9008467 Nanoparticle-based quantum confined stark effect modulator  
An optical modulator includes a first layer that is transparent or semitransparent over a range of optical wavelengths; a modulation layer made from nanoparticles embedded in a matrix; a first...
9008469 Mach-zehnder optical modulator having an asymmetrically-loaded traveling wave electrode  
A Mach-Zehnder optical modulator with a travelling wave electrode has a signal transmission line conductor (S) carrying an input electrical signal, and two ground transmission line conductors (G1...
9002143 Tunable RF filter device using optical waveguides with dispersion slopes of opposite signs and related methods  
A tunable Radio Frequency (RF) filter device includes a tunable optical source configured to generate an optical carrier signal, and a modulator coupled to the tunable optical source and...
8989522 Isolation of components on optical device  
The optical device includes an active component on a base. The active component is a light sensor and/or a light modulator. The active component including an active medium that includes a ridge...
8986553 Method for manufacturing optical semiconductor device  
A method for manufacturing an optical semiconductor device includes the steps of preparing a substrate product including a semiconductor layer, a mesa structure, and a protective layer; forming a...
8989600 Modulating apparatus  
A modulating apparatus includes a branch that branches input light; a first modulating unit that modulates the phase of a first branch obtained by the branch; a second modulating unit that...
8983239 Optical control element having a plurality of optical control portions  
An optical control element which has a thin plate having an electro-optical effect and a thickness of 10 μm or less, optical waveguides formed in the thin plate, and a plurality of optical control...
8978237 Method to assemble optical devices with optically interfering device  
A method to align an optical device optically with an interference device is disclosed. The method includes steps of: selecting one of arm waveguides, biasing rest of arm waveguides to cause...
8983238 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...
8971671 Tunable RF filter device using optical waveguide paths with splitter and combiner pairs and related methods  
A tunable Radio Frequency (RF) filter device includes a tunable optical source generating an optical carrier signal, and a modulator coupled to the tunable optical source and modulating the...
8958664 Semiconductor optical modulator  
A semiconductor optical modulator includes a substrate; and a mesa portion having a first cladding layer disposed on the substrate, a core layer disposed on the first cladding layer, and a second...
8947764 High-speed photonic modulator designs  
An optical device includes a microdisk optical resonator element. The microdisk resonator element is formed on a substrate and has upper and lower portions respectively distal and proximal the...
8938134 Hybrid optical modulator for photonic integrated circuit devices  
An apparatus comprising an optical modulator, wherein the optical modulator comprises a planar substrate, a first III-V semiconductor layer on the substrate, and a silicon layer on the substrate....
8923658 Optical waveguide device  
An optical waveguide device having a Mach-Zehnder type waveguide formed on a substrate is provided in which a slope of two waveguides input to an optical coupler on an output side of the...
8923657 Electro-optic modulator  
An electro-optic modulator includes a substrate including a top surface, a Y-shaped waveguide embedded into the top surface and including a first branch dedicated for transmitting transverse...
8917958 Electrical waveguide transmission device for use with a mach-zehnder optical modulator  
An electrical waveguide transmission device accepts a differential electrical input signal (e.g., S+ and S−) propagating along two separate signal conductors with grounded electrical return paths,...
8909003 Low-noise and high bandwidth electric field sensing with silicon-polymer integrated photonics and low drive voltage modulator fiber-based antenna link  
An optical low drive voltage modulator electric field sensor device includes an electric field antenna. A low drive voltage modulator has an electrical voltage input electrically coupled to the...
8909002 Light modulator, optical pickup, and light modulation module  
A light modulator (101) includes a waveguide (112) through which guided light propagates, a metal layer (113) formed adjacent to the waveguide (112), a conductive oxide layer (114) having...
8909001 Optical modulator  
An optical modulator comprises a substrate 4 having a thickness of 20 μm or less and an electro-optic effect, a reinforcing substrate 6 holding the substrate 4 thereon and a resin layer 5 disposed...
8909000 Optical waveguide with cascaded modulator circuits  
An optical waveguide for transmitting an optical signal input to the optical waveguide with a first frequency. The optical waveguide includes a plurality of modulator circuits configured along an...
8903202 Mach-Zehnder optical modulator having a travelling wave electrode with a distributed ground bridging structure  
A Mach-Zehnder optical modulator with a travelling wave electrode having one or more signal transmission line conductors and one or more ground transmission line conductors is provided. The...
8903204 Optical interconnect systems and methods  
Optical interconnect systems and methods are disclosed. An optical interconnect system includes a substrate, an optical waveguide, and first and second modulators. The optical waveguide has a...
8897607 Tunable RF filter device using optical waveguides with dispersion slopes of opposite signs and related methods  
A tunable Radio Frequency (RF) filter device includes a tunable optical source configured to generate an optical carrier signal, and a modulator coupled to the tunable optical source and...
8897606 Ring resonator with wavelength selectivity  
The ring resonator includes waveguides configured to guide light signals. The waveguides include an input waveguide and one or more loop waveguides. One of the loop waveguides is a primary loop...
8897614 Electro-optical element  
An electro-optical element includes a core layer made of an electro-optical material, a clad structure disposed on each of opposite sides of the core layer and configured to form an optical...
8873894 Polarizer  
A polarizer includes: a substrate; a dielectric layer positioned on the substrate; an optical waveguide positioned in the dielectric layer and for transmitting incident light; and a graphene layer...
8873895 Optical modulator  
To provide an optical modulator having a reduced size and reduced power consumption and capable of being easily connected to a waveguide and a method of manufacturing the optical modulator. The...
8873896 Dual polarization optical modulator using dual broadband multi-electrode weighted direct analog phase modulators  
An electro-optical phase modulator, dual polarization modulator applying that modulator and a phase modulation method are disclosed. A waveguide in an electro-optical substrate has at least two...
8861921 Photovoltaic device with frequency conversion region  
The present invention provides an organic fibrous photovoltaic device with a frequency conversion region comprising a waveguide being arranged normal to the axis of the fiber.
8855448 Advanced modulation format using two-state modulators  
An optical modulator device comprising an interferometer. The interferometer includes an input optical coupler, an output optical coupler, and two or more controllable optical waveguides located...
8842943 Low power electro-optic modulator  
An electro-optic modulator includes a substrate comprising a surface, a pair of transmission lines formed in the surface and extending substantially in parallel with each other, a pair of first...
8842945 Methods of forming three dimensionally integrated semiconductor systems including photoactive devices and semiconductor-on-insulator substrates  
Three dimensionally integrated semiconductor systems include a photoactive device operationally coupled with a current/voltage converter on a semiconductor-on-insulator (SeOI) substrate. An...
8824836 Optical waveguide, optical modulator and optical coupler  
An optical waveguide formed in a substrate including: a curved waveguide; and a splitter that is coupled to the curved waveguide and branches, wherein a low refraction index portion having an...
8818141 Transmission line driven slot waveguide mach-zehnder interferometers  
A Mach-Zehnder interferometer useful for analog or digital optical signal manipulation. In one example, the MZI is configured as an optical device that provides a balanced output. In another...
8805126 Photonic modulator with forward-and reverse-biased diodes for separate tuning and modulating elements  
A method and structure for a modulator which includes a forward-biased diode optimized for power and area to perform a tuning function, and a reverse-biased diode optimized for speed to perform a...
8805130 Semiconductor high-speed integrated electro-optic devices and methods  
Novel integrated electro-optic structures such as modulators and switches and methods for fabrication of the same are disclosed in a variety of embodiments. In an illustrative embodiment, a device...
8805136 On-fiber tunable Bragg gratings for DWDM applications  
A method and apparatus for tunable on-fiber Bragg gratings for DWDM and other applications on a small section of the core of single mode communication of an optical fiber. The method comprises...
8805127 Optical waveguide device, manufacturing method therefor, optical modulator, polarization mode dispersion compensator, and optical switch  
An optical waveguide device includes: a substrate which has an electro-optical effect; an optical waveguide which is formed on the substrate and/or inside the substrate; and an in-substrate...
8798406 All optical modulation and switching with patterned optically absorbing polymers  
All-optical processing devices that include patterned optically active polymers. The devices that are constructed according to principles of the invention include at least one optical input port...