|
Match
|
Document |
Document Title |
|
|
7515787 |
Imaging device for optically extracting features of an object
The present invention provides a method and device for optically extracting discrete features of an object. With this method and device, small regions of interest or features within a relatively...
|
|
|
7515779 |
Optical semiconductor device
An optical semiconductor device has a heater, an optical waveguide layer, a first electrode and a second electrode. The heater is provided on a first semiconductor region and has more than one...
|
|
|
7512344 |
Variable dispersion compensator
A dispersion compensator is applicable to a WDM optical transmission system and features low loss, wideband usage, and minimum ripple. The dispersion compensator is constructed so that the light...
|
|
|
7507038 |
Optical fiber/glass tube fusion-spliced structure, optical fiber assembly including the structure, and glass tube used in the structure
An optical fiber/glass tube fusion spliced structure includes an optical fiber made of glass and a glass tube through which the optical fiber is inserted and at least in part of the optical...
|
|
|
7509011 |
Hybrid waveguide
A waveguide system wherein a top cladding layer leaves portions of an underlying core channel exposed to ambient air. The ends of core channels are exposed so that light can exit out of or enter...
|
|
|
7509052 |
Optical receiver, optical transmitter and optical transceiver
An optical receiver includes a first light receiving element to convert an optical signal to an electric signal and to output the electric signal from one end. A light receiving element row is...
|
|
|
7509004 |
Apertured fiber optic stub for control of multi-mode launch condition
Disclosed are various embodiments of systems, devices, components and methods for launching high-transmission-rate optical communication signals into legacy fiber optic cables. At least one...
|
|
|
7505651 |
Optical planar wavelength selective filter and method of manufacture
An optical planar wavelength selective filter is formed on a printed circuit substrate. Low optical loss polymers are used to make a layered structure that contains waveguides and free travel...
|
|
|
7502534 |
Retro-reflective type light pipe, illumination device including the same and projection display including the illumination device
A retro-reflect type light pipe, an illumination device including the same, and a projection display including the illumination device are provided. The retro-reflective type light pipe includes an...
|
|
|
7499608 |
Apparatus and method for optical switching with liquid crystals and birefringent wedges
An optical switch includes an optical waveguide to route an input optical beam. At least one polarization switch receives the input optical beam from the optical waveguide. At least one...
|
|
|
7492988 |
Ultra-compact planar AWG circuits and systems
Planar AWG circuits and systems are disclosed that use air trench bends to increase planar circuit compactness.
|
|
|
7492993 |
Multi-port coupler, optical amplifier, and fiber laser
A multi-port coupler for coupling an pumping light source to a cladding pump fiber for optical amplification, includes a central signal fiber and a plurality of pumping fibers arranged around the...
|
|
|
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...
|
|
|
7492987 |
Fiber optic laser energy delivery devices
Improved laser energy delivery devices, providing greater transmission efficiency, longevity of use and safety are described. In one embodiment, a device for delivering laser energy includes a...
|
|
|
7488119 |
Photoelectric composite connector and substrate using the same
A photoelectric composite connector comprises a first connector unit which is connected to optical transmission means and a second connector unit which can be attached to and detached from a first...
|
|
|
7489836 |
Optical interconnect system for high speed microprocessor input/output (IO)
A microchip includes optical layers with integrated waveguides and modulators. A continuous wave light beam coupled to incoming waveguide(s) is modulated and transmitted off-chip by outgoing...
|
|
|
7488116 |
Universal coupling of small core optical fiber to large laser foci
It is often desirable to efficiently couple laser foci that are dimensionally large to dimensionally small optical fibers. A fiber fused in a lower refractive index fiber is disclosed. The...
|
|
|
7486847 |
Chip carrier package with optical vias
Considerable manufacturing efficiency and flexibility is provided by configuring the lower surface of a chip carrier to include multiple holes specifically designed to receive coupling fibers. By...
|
|
|
7484899 |
Small-form-factor fiber optic transceiver module having built-in test capability and method
A fiber optic transceiver module having built-in test capability is packaged in a housing to meet small-form-factor (SFF) requirements. The module has a first optical fiber having an angled end...
|
|
|
7486853 |
Resonator system for optical proximity communication
An assembly comprising first and second electronic devices and an optical resonator that optically couples an optical waveguide on the first electronic device to an optical waveguide on the second...
|
|
|
7486859 |
Quick connect lightable rod
A lighted vehicle marker, light conducting rod or lightable rod with quick disconnect capabilities is disclosed herein. The lightable rod can have a hollow core and can be made from a translucent...
|
|
|
7486895 |
Effective control algorithm for optical polarization mode dispersion compensators
The present invention includes apparatus and method of a variable step size dithering control algorithm for polarization mode dispersion controllers (PMDCs). The dithering step size of the PCs is...
|
|
|
7486854 |
Optical microstructures for light extraction and control
The application of microstructures which improve the quality of light available to the viewer of an optical display system, or any display which works on the concept of moving one surface into...
|
|
|
7483602 |
Planar array optical switch and method
An optical switch device includes a first array ( 20 ) of reflectors ( 22 ), each associated with a separate optical fiber input ( 12 ), and a second array ( 30 ) of reflectors ( 32 ), each...
|
|
|
7480423 |
All-fiber phase controlled delay interferometer and method of making the same
An all-fiber, phase controlled interferometer device is disclosed as well as its method of manufacture. This device is suitable for use in an optical DPSK demodulation system. It is comprised of...
|
|
|
7480428 |
Mechanism to spectrally combine and divide optical I/O
An optical assembly is disclosed. The optical assembly includes two or more photo devices to transmit and receive optical signals and a pair of parallel gratings to combine optical signals received...
|
|
|
7477814 |
Method of making a louver device for a light guide screen
A method of making a louver device for a light guide screen. More specifically, in a specific embodiment, a transparent layer is provided. A plurality of similarly angled surfaces are established...
|
|
|
7477815 |
Multi-mode fiber, optical fiber transmission system with offset-launch, single-mode, long-wavelength, vertical cavity surface emitting laser transmitter
A multimode fiber optical fiber transmission system includes an improved configuration for launching a single mode long wavelength transmission signal into existing multimode optical fiber...
|
|
|
7477816 |
Lens-equipped optical wave guide device for touch panel and optical waveguide for use in the same
A lens-equipped optical waveguide device for a touch panel includes an optical waveguide including an under cladding layer, and a plurality of cores formed on a surface of the under cladding layer...
|
|
|
7474827 |
Devices and methods for all-optical processing and storage
Devices and methods for optical processing and storage are described. In a preferred embodiment, an integrated optical gate matrix, that includes a set of nonlinear elements and waveguides...
|
|
|
7474820 |
Micro-optic adapters and tips for surgical illumination fibers
A microstructure optical adapter or tip according to the present disclosure may incorporate precision micro structure optical components engaging the input or output end of light energy delivery...
|
|
|
7474815 |
Interconnecting (mapping) a two-dimensional optoelectronic (OE) device array to a one-dimensional waveguide array
For integrated circuits including circuit packaging and circuit communication technologies provision is made for a method of interconnecting or mapping a two-dimensional optoelectronic (OE) device...
|
|
|
7474823 |
Tunable dispersion compensation
Dispersion compensation for an optical signal having a first frequency range is described. The optical signal is applied to a dispersion compensating material having a negatively refracting...
|
|
|
7471855 |
Monlithically coupled waveguide and phototransistor
An optical integrated circuit comprises a semiconductor body, a semiconductor optical waveguide located on the body, and a bipolar phototransistor located on and optically coupled to the waveguide....
|
|
|
7469078 |
System for remote measurements
A system for measuring simultaneously both temperature and ac voltage and/or ac current, the system comprising: a piezo-electric sensor; and optical fiber that includes an optical strain sensor...
|
|
|
7466886 |
Coupling region for optical systems
The present invention discloses systems and methods for defining a coupling region or regions for use with optical systems. An embodiment of the coupling region represents a region in which an...
|
|
|
7466883 |
Optical switches and routers and optical filters
Our invention relates generally to an optical switch ( 31 ) and an optical router ( 10 ) to rapidly route signals from particular channels ( 22, 24 ) within an optical band by using optical...
|
|
|
7466884 |
Photonic-interconnect systems for reading data from memory cells and writing data to memory integrated circuits
Various embodiments of the present invention are related to photonic-interconnect systems for reading data from and writing data to memory cells of memory chips at approximately the same time. In...
|
|
|
7466879 |
Fiber optic force sensor for measuring shear force
Provided herein are fiber optic force sensors for measuring shear force which include an optical fiber with at least one optical core and a Bragg grating. Also provided arc fiber optic force sensor...
|
|
|
7466889 |
High-quality-factor tunable microdisk
An optical device includes a waveguide and a microdisk that is optically coupled to the waveguide. The gap between the microdisk and the waveguide is between 0.3 microns and 0.7 microns. The...
|
|
|
7462812 |
Optical switch apparatus and optical switching system
An optical switching system having a transmission node. The transmission node includes a bit pattern processing unit for processing a bit pattern of transmitted data to stabilize optical power of a...
|
|
|
7460749 |
Optical transmission device that employs vertical cavity surface-emitting laser diode as light source
The first and second light-emitting regions are provided on the light source. When the first optical fiber having the first core diameter is connected, the light emitted from the first...
|
|
|
7460747 |
Waveguide and optical cable module
A waveguide includes a core part, clad layer surrounding the core part about an optical axis of the core part, and an optical path conversion mirror formed at the end face of at least one of the...
|
|
|
7458731 |
Fiber assembly and light transmitting/receiving module
A light transmitting/receiving module comprising a fiber assembly and a light source is provided. The fiber assembly includes a fiber, a ferrule, and a rigid tube. The fiber has an end segment,...
|
|
|
7457544 |
Single channel four-port group delay compensation equalizer
A group delay compensation equalizer is disclosed that employs a single channel four-port WDM device for compensating the group delay experienced by a plurality of wavelengths transmitted over...
|
|
|
7457501 |
Electromagnetic energy coupler
A technique for coupling electromagnetic energy into an aperture smaller than the wavelength of the electromagnetic energy desired to be coupled is disclosed.
|
|
|
7454102 |
Optical coupling structure
An optoelectronic coupling structure, a method of manufacture, and a method of operation are described. The optical coupling structure includes a waveguide that is formed within a device layer of...
|
|
|
7454101 |
Tunable optical dispersion compensators
A tunable optical dispersion compensator includes an optical input port, an input variable optical coupler, at least two optical dispersion paths, an output variable optical coupler, and an optical...
|
|
|
7450798 |
Automatic shutdown system and method for optical multiplexers and demultiplexers
An automatic shutdown system for optical multiplexers and demultiplexers includes an optical switch that is disposed in a common optical channel between a transmitter and a receiver of an optical...
|
|
|
7450801 |
Apparatus for free-space switching between planar lightwave circuits
A free-space optical switch for switching light beams between waveguides of planar lightwave circuits (PLCs). Switching is accomplished using a combination of lenses and micromirrors. The lenses...
|