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8184362 |
Phase control and locking method for coherently combining high-gain multi-stage fiber amplifiers
Presented is a method and system for phase locking a multi-stage parallel fiber amplifier. The method comprises receiving a signal beam from a first stage, in one path of the multi-stage fiber...
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8180188 |
Multimode planar waveguide spectral filter
A spectral filter comprises a planar optical waveguide having at least one set of diffractive elements. The waveguide confines in one transverse dimension an optical signal propagating in two other...
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8175431 |
Multi-core ferrule and optical fiber connection structure
An optical fiber connection structure includes a single-core plug holding a single-core ferrule, a multi-core plug holding a multi-core ferrule, and an adaptor having a tubular sleeve. The...
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8170385 |
Light coupler and manufacturing method thereof
The present invention provides a light coupler and a manufacturing method thereof. The light coupler of the invention includes a plurality of light input terminals, a plurality of light output...
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8170384 |
Hybrid photonic signal processing modules
Methods, systems, apparatus and devices for a variable fiber optic delay line that includes an electro-optic modulator for receiving and modulating an input signal, a switchless discrete long time...
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8165429 |
Optical interconnection structure and method for manufacturing the same
The present invention relates to an optical interconnection structure and a method for manufacturing the same. The present invention provides an optical interconnection structure comprising: a...
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8145018 |
Apparatus for obtaining information for a structure using spectrally-encoded endoscopy techniques and methods for producing one or more optical arrangements
Exemplary apparatus for obtaining information for a structure can be provided. For example, first optical fiber arrangement(s) can be provided which transceives at least one first electro-magnetic...
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RE43226 |
Optical multiplexing device
An optical multiplexing device includes an optical element having at least one set of diffractive elements, and an optical reflector. The reflector routes, between first and second optical ports,...
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8131120 |
Planar polarization splitter
An apparatus comprising a planar optical structure that includes an input coupler, first and second planar waveguides and an output coupler, all on a planar substrate. The input coupler is...
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8128271 |
Light coupling into films
A light emitting sign including a lightguide having a thickness not greater than 0.5 millimeters. The lightguide having an array of elongated legs extending therefrom, wherein each leg terminates...
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8126302 |
Method and system for correcting an optical beam
Embodiments of the present invention provide a system and method for shaping an annular focal spot pattern to allow for more efficient optical coupling to a small gauge optical fiber. An embodiment...
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8121450 |
Coupling between free space and optical waveguide using etched coupling surfaces
A plasma-based etching process is used to specifically shape the endface of an optical substrate supporting an optical waveguide into a contoured facet which will improve coupling efficiency...
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8116600 |
Optical phase modulation element and optical modulator using the same
Provided is a small-size optical phase modulation element and an optical modulator using it. The optical phase modulation element includes a Plasmon waveguide having a clad made of a metal material...
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8111965 |
Waveguide for thermo optic device
A waveguide and resonator are formed on a lower cladding of a thermo optic device, each having a formation height that is substantially equal. Thereafter, the formation height of the waveguide is...
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8107823 |
Optical transmission module
In an optical transmission module having a communication module which is freely movable in a case, when a tensile force is generated on an optical cable after connection of an optical transmission...
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8103173 |
Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation
An optical homodyne communication system and method in which a side carrier is transmitted along with data bands in an optical data signal, and upon reception, the side carrier is boosted, shifted...
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8098991 |
Wideband RF photonic link for dynamic co-site interference mitigation
A method is provided for co-site interference mitigation in an RF communication system. Spectral nulls created in an optical domain may be used to mitigate interfering signals in an RF signal. The...
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8098965 |
Electroabsorption modulator based on fermi level tuning
A novel electroabsorption modulator based on tuning the Fermi level relative to mid-gap states in a semiconductor. The modulator includes a semiconductor waveguide that has an input port and an...
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8094983 |
Multiple-core optical fiber with couplings between the cores
An optical fiber includes a cladding, a first core, and a second core. At least one of the first core and the second core is hollow and is substantially surrounded by the cladding. At least a...
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8090266 |
Optically coupling components of a transceiver
An apparatus comprises one or more electro-optical coupling modules. An electro-optical coupling module comprises a diode, a flexible optical coupling element, a reflective surface, and an optical...
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8090231 |
Transfer of light signals between optical fibers and system using optical devices with optical vias
An optical system includes optical devices that each have a top side and a bottom side between lateral sides. A first one of the devices has one or more first waveguides immobilized on a first...
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8081852 |
Two-ring optical buffer
A two-ring optical buffer comprising a first ring operatively connected to a waveguide and a second ring, the second ring being operatively connected to only the first ring, the second ring and the...
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8078016 |
Optical circuit device and method
Techniques are generally disclosed for optical devices that may be used to implement a variety of logic devices or other circuits by optical means. Example optical devices use a photodiode to alter...
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8071934 |
Method and system for detecting single-shot pulse contrast based on fiber array
A system for detecting single-shot pulse contrast includes a correlator generating a correlation signal, a spectral filter filtering light signals having wavelengths different from the correlation...
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8064742 |
Light input/output terminal module of the optical components and beam converting apparatus
A light input/output terminal module 100 comprises a jacket tube 110 and a flange 120. A glass portion 20 of the optical fiber is inserted in the center portion thereof. To efficiently remove the...
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8057107 |
System and method for positioning a probe
An adapter couples a length of optical fiber to a hollow probe and to an optical coherence tomography instrument. The length of optical fiber may be greater than the length of the adapter itself....
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8041161 |
Adaptive photonic coupler
A method to maximize the coupling efficiency between a collimated, free-space optical signal and a fiber optic waveguide using an active optical element to steer and focus the collimated beam...
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8036506 |
Multi-fiber section tunable optical filter
A tunable optical filter is formed by the longitudinal alignment of two opposing end sections of single-mode optical fibers. On at least one of the end sections is a collimator fiber section which...
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8031990 |
Plasmon multiplexing
A variety of structures, methods, systems, and configurations can support plasmons for multiplexing.
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8027556 |
Waveguide coupling structure
A coupling structure of waveguide including a line defect (LD) waveguide portion having an LD waveguide, an electromagnetic field distribution matching portion (EFDMP) connected between the LD...
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8023776 |
Mach-Zehnder type optical modulator
A Mach-Zehnder type optical modulator includes an optical waveguide formed in an electro-optical substrate, an input section that inputs light to the optical waveguide, a plurality of branch...
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8023782 |
Method and apparatus for demultiplexing optical signals in a passive optical network
Methods and structures are disclosed demultiplexing optical signals transmitted over an optical fiber into a silicon substrate and to multiple detectors. The silicon substrate has two spaced-apart...
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8021058 |
Fabrication of optical devices and assemblies
A method of forming a waveguide or an optical assembly includes molding a waveguide material, optionally in alignment with one or more optical components. The one or more optical components are...
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8019185 |
Unit-cell array optical signal processor
This invention provides a versatile unit cell as well as programmable and reconfigurable optical signal processors (such as optical-domain RF filters) that are constructed from arrays of those unit...
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8014643 |
Photonic crystal waveguide inlet structure
Disclosed herein is a photonic crystal waveguide inlet structure for improving coupling efficiency of a strip waveguide and a photonic crystal waveguide. The photonic crystal waveguide inlet...
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8014644 |
Optical waveguide, optical waveguide module and method for forming optical waveguide
An optical waveguide comprising a core and a clad characterized in that a desired part is heated and transited to machining strain release state, the part transited to the machining strain release...
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8009958 |
Optical sight
An optical sight is provided and may include a housing, at least one optic supported by the housing, and an illumination device associated with the at least one optic that selectively supplies the...
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8009939 |
Fiberoptic clearance detection system and method
A fiberoptic system for clearance detection between rotating and stationary turbomachinery components is presented. The system comprises an optical fiber probe comprising a plurality of optical...
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8005329 |
Combined structure of optical waveguide
A combined structure of optical waveguides with high accuracy can be easily materialized by arranging cutout sections 11a and 12a for half-lap joint in a light-emitting sided-optical waveguide and...
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8000007 |
Polarization filter utilizing Brewster's angle
A polarization filter utilizing Brewster's angle. The polarization filter includes a stimulus receiving body having more than one facet. At least two of the more than one facet being arranged at...
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8000564 |
Photoelectric conversion module for direct optical interconnection and method of manufacturing the same
Provided are a photoelectric conversion module for direct optical interconnection and a method of manufacturing the same, wherein an optical element array is bonded to a side surface of an IC board...
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8000569 |
Optical device comprising a compact dispersing system
A fibre optic transmission application, in particular, an optical device that can be incorporated into telecommunications equipment as well as into test and measurement equipment with reduced...
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7995883 |
Optical waveguide and bi-directional optical transceiver
Disclosed are an optical waveguide and a bi-directional light transceiver, in which a wavelength selective filer is provided in the core of the optical waveguide to divide bi-directional signals,...
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7991251 |
Optical module mounted with WDM filter
A filter element includes a first glass substrate having a pair of parallel surfaces and a band pass filter arranged on one of the parallel surfaces, a pair of single-crystal substrates (Si wafers)...
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7985028 |
Optical fiber splicing technique and optical member unit
According to an optical fiber splicing technique in which optical fibers F11 and F12 respectively connected to optical members 3 and 4 of an optical member unit are connected by fusion splicing,...
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7986861 |
Optical fiber connector and endoscope system using the same
An optical fiber connector has a first ferrule holding an end of a first optical fiber, a first fiber stub connected to the first ferrule, a second ferrule holding an end of a second optical fiber,...
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7983519 |
Photonic connection and method for enhancing alignment accuracy thereof
A photonic connection includes a first fiber and a second fiber. The first fiber has a core with a first predetermined pattern defined on or in a facet thereof, and the second fiber has a core with...
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7978943 |
Monolithic pump coupler for high-aspect ratio solid-state gain media
In one or more embodiments, an optical fiber coupler for coupling pump radiation into a rectangular optical fiber includes a fiber section and a pump fiber. The fiber section includes a core having...
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7978942 |
Method and device to improve backlight uniformity
A system and method for compensating for non-uniform illumination from a light guide for a display in an electronics device is provided. The system comprises: a memory device storing a data...
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7961994 |
Optical interface assembly
An optical device includes a first waveguide having an end portion configured to receive an optical signal, the optical signal having a fundamental mode; a second waveguide having an end portion...
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