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US20150205048 POLARIZATION-DEPENDENT LOSS COMPENSATOR  
In an embodiment, a polarization-dependent loss (PDL) compensator includes a substrate, an anti-reflective coating, and a partial reflective coating. The substrate has an input surface and an...
US20150049980 TM-POLARIZATION SPLITTER BASED ON PHOTONIC CRYSTAL WAVEGUIDE  
A photonic crystal waveguide TM-polarization splitter, comprising a photonic crystal waveguide with a completely forbidden band; after the input end (1) of the photonic crystal waveguide inputs an...
US20110019958 Polarization-Independent Optical Isolator  
It is provided a polarization-independent optical isolator without depending on the polarized wave of the light being input to the waveguide-type optical isolator, in particular, it is able to...
US20130322810 MULTIPLE WAVEGUIDE IMAGING STRUCTURE  
In embodiments of a multiple waveguide imaging structure, an imaging structure includes a first waveguide for see-through viewing of an environment at a first field of view, and includes a second...
US20120033911 DELIVERING LIGHT VIA OPTICAL WAVEGUIDE AND MULTI-VIEW OPTICAL PROBE HEAD  
Techniques, apparatus and systems that use an optical probe head to deliver light to a target and to collect light from the target for imaging, monitoring, medical diagnostics and medical...
US20130129273 POLARIZATION SEPARATION ELEMENT AND OPTICAL INTEGRATED ELEMENT  
A polarization separation element of an optical waveguide type formed on a substrate includes: an input-light demultiplexer; an output-light multiplexer; a first arm waveguide and a second arm...
US20150078702 System and Method for an Optical Phase Shifter  
In one embodiment, an optical phase shifter includes a first waveguide phase shifter and a second waveguide phase shifter. The optical phase shifter also includes a first polarization rotator...
US20130301977 WAVEGUIDE-TYPE POLARIZATION BEAM SPLITTER  
Provided is a waveguide-type polarization beam splitter in which deterioration of a polarization extinction ratio due to temperature change and wavelength change is suppressed. The waveguide-type...
US20150023629 COLLIMATOR HOLDER FOR ELECTRO-OPTICAL SENSOR  
A collimator holder in the form of a glass or ceramic block that has precisely machined holes formed in the block to receive respective collimator assemblies. Each collimator assembly includes an...
US20140169727 Fiber Optic Connector With Polarity Change  
A fiber optic connector includes a boot receiving an optical fiber; a connector body for receiving the optical fiber and terminating the optical fiber; and a latch coupled to the connector body,...
US20140153862 POLARIZATION ROTATOR ASSEMBLY INCLUDING A SUBWAVELENGTH COMPOSITE PORTION  
A polarization rotator assembly for rotating a polarization mode of an electromagnetic signal is provided. The polarization rotator assembly has a waveguiding structure of co-extensive first and...
US20110194804 INTEGRATED OPTICAL COUPLER  
An integrated optical coupler including in the medium separating a first integrated waveguide from a second substantially parallel integrated waveguide, a succession of strips parallel to one...
US20130011094 OPTO-ELECTRIC CIRCUIT BOARD INCLUDING METAL-SLOTTED OPTICAL WAVEGUIDE AND OPTO-ELECTRIC SIMULTANEOUS COMMUNICATION SYSTEM  
Disclosed are an opto-electric circuit board including a metal-slotted optical waveguide and an opto-electric simultaneous communication system. The opto-electric circuit board includes a lower...
US20140133796 Apparatus For Providing Polarization Rotation  
Various embodiments provide a waveguide-based polarization rotator that comprises top and bottom claddings of substantially the same material. In some embodiments, the waveguide-based polarization...
US20140153861 POLARIZATION ROTATOR  
A polarization rotator comprises a first waveguide configured to be coupled to an input coupler at a first end and a second waveguide, wherein the first waveguide is offset from the second...
US20140217269 COUPLED WAVEGUIDES FOR SLOW LIGHT SENSOR APPLICATIONS  
An optical device includes at least one optical waveguide including a plurality of elongate portions. Light propagates sequentially and generally along the elongate portions. At least two elongate...
US20130142507 PDL COMPENSATOR OPTICAL DEVICE, AND PDL COMPENSATION METHOD  
A PDL compensation technique is provided that reduces the number of and the number of types of the PDL compensators even if it is uncertain to determine which of the two polarization principal...
US20140355928 TE- POLARIZATION SPLITTER BASED ON PHOTONIC CRYSTAL WAVEGUIDE  
The present invention discloses a TE-polarization splitter based on a photonic crystal waveguide, comprising a waveguide formed in a photonic crystal with a complete photonic bandgap, wherein...
US20110110619 TUNABLE DISPERSION COMPENSATOR WITH MINIMUM DIFFERENTIAL GROUP DELAY  
In a method and system for providing dispersion compensation in an optical system, there is coupled into the optical system at least one pathway into which there is connected a tunable chirped...
US20120189238 UNBALANCED MACH-ZEHNDER INTERFEROMETER AND MODULATOR BASED THEREUPON  
There are provided an unbalanced Mach-Zehnder interferometer and a modulator based thereupon. The interferometer comprises a loop comprising a plurality of cascaded segments of...
US20130156362 CORE AND OPTICAL WAVEGUIDE  
Provided is a core which reduces optic splice loss between discontinuous optical waveguides. The core includes a first waveguide propagation portion having first light-receiving width, a first...
US20130064493 MULTI-FIBER POLARIZATION SCRAMBLER/CONTROLLER  
A system and method for applying polarization scrambling through a device to a plurality of fiber optic cables by applying a compressive load simultaneously to each of the plurality of fiber optic...
US20140003764 POLARIZATION MATERIAL ON AN OPTICAL MULTIPLEXER OR AN OPTICAL DEMULTIPLEXER  
An optical device may include a substrate and an arrayed waveguide grating provided on the substrate. The arrayed waveguide grating may include a first slab or a second slab and multiple...
US20130101248 Polarization Independent Wavelength Converter And Polarization Independent Wavelength Conversion Method  
A polarization independent wavelength converter includes a polarization maintaining optical fiber which includes a first and a second ends and has a first polarization axis and a second...
US20130343695 POLARIZATION SPLITTING OPTICAL COUPLER  
A coupler/splitter including two neighboring coplanar waveguide portions extending in a same direction, the first portion having a constant cross-section, the second portion having a variable...
US20140161384 Integrated Photonic Devices with Reduced Sensitivity to External Influences  
One aspect of the invention relates to a photonic device having a wavelength-dependent transmission or filter characteristic, comprising: a Splitter Polarization Rotator receiving polarized light...
US20120002912 FABRICATION TOLERANT POLARIZATION CONVERTER  
The present invention provides a polarization converter, and a method for fabricating the same. The polarization converter includes a geometric shape which induces rotation of a polarization of an...
US20130121632 SOA-PLC HYBRID INTEGRATED POLARIZATION DIVERSITY CIRCUIT AND METHOD FOR MANUFACTURING THE SAME  
The invention of the present application provides an SOA-PLC hybrid integrated polarization diversity circuit including a PLC-PBS chip and an SOA-COS whose respective waveguides are coupled to...
US20150261020 ALL-FIBER ISOLATOR USING OPTICAL FIBER INCLUDING QUANTUM DOTS  
An all-fiber isolator as an optical isolator comprises: an optical fiber acting as an optical light guide for propagating incident light; and a Faraday rotator for rotating by 45° a plane of...
US20120328230 OPTICAL FIBER MULTI-WAVELENGTH FILTER AND METHOD OF CONTROLLING WAVELENGTH OF SPECTRUM USING THE SAME  
An optical fiber multi-wavelength filter based on a polarization-diversity loop configuration within which polarization-maintaining fibers are contained with some optical elements is disclosed....
US20120189242 Multi-state Polarization Preserving Optical Fiber  
The inventive chiral polarization preserving optical fiber utilizes a structure composed of specially positioned and configured single mode (SM) and conventional polarization maintaining (PM)...
US20080166085 SEMICONDUCTOR LASER MODULE  
A receptacle type semiconductor laser module (TOSA) includes a semiconductor laser, a lens, and a fiber stub. The fiber stub has a slantwise cut surface to which a emission light emitted from the...
US20150036967 Periodic Probabilistic Two-Dimensional cluster State Generator with Arbitrary Interconnections  
A Periodic Cluster State Generator (PCSG) consisting of a monolithic integrated waveguide device that employs four wave mixing, an array of probabilistic Photon Guns, single mode Sequential...
US20130182993 MONITORING eDC POLARIZATION INVERSE FILTER COEFFICIENTSW TO IDENTIFY REAL-TIME PHYSICAL INTRUSION INTO A CORE OR METRO OPTICAL NETWORK  
A fiber network is monitored in order to detect physical intrusion. The state of polarization of an optical fiber is monitored. A fiber tap is determined to have occurred if the state of...
US20140056552 OPTICAL PATH ROUTING ELEMENT  
An optical path routing element includes first and second optical waveguide that are parallel to each other. The first and second waveguides have the same thickness and have the same width, the...
US20150219852 3D POLARIZATION BEAM SPLITTER BASED ON 2D PHOTONIC CRYSTAL SLAB  
The present invention discloses a 3D polarization beam splitter based on 2D photonic crystal slabs which comprises a 2D photonic crystal slab positioned at the top part, a 2D photonic crystal slab...
US20110150385 POLARIZATION MAINTAINING LARGE CORE HOLLOW WAVEGUIDES  
A system and method for guiding polarized light is disclosed. One system comprises a large core hollow waveguide having first and second dimensions that are substantially perpendicular. The first...
US20140219601 POLARIZATION SPLITTER OF HIGH POLARIZATION EXTINCTION RATIO  
A polarization splitter includes a substrate, an asymmetric Y-shaped waveguide, and a pair of strip-shaped electrodes. The substrate is made of a birefringence crystal and includes a surface. The...
US20130077911 SPATIAL DIVISION MULTIPLEXING OPTICAL MODE CONVERTER  
Embodiments provide an optical device that includes a star coupler, a polarization bam splitter (PBS) and a polarization rotator. The star coupler includes a port at a first end face. The...
US20130236136 OPTICAL WAVEGUIDE CIRCUIT  
An optical waveguide circuit includes a polarization beam splitter connecting to a first input optical waveguide; an optical interference element receiving one of orthogonally polarization-split...
US20110002580 OPTICAL FIBER  
The present invention relates to an optical fiber, wherein PMD will not significantly increase even when an external factor, such as a lateral pressure, a bending and the like, is applied to the...
US20090220186 Hollow-core photonic bandgap fiber polarizer  
A hollow-core photonic bandgap fiber polarizer may include a core, an inner cladding surrounding the core, the inner cladding including a plurality of capillaries, and an outer cladding at least...
US20090207483 PHOTONIC BANDGAP FIBER AND FIBER AMPLIFIER  
A photonic bandgap fiber includes a core of a solid material; a first cladding provided around the core; a low-refractive-index region provided in a part of a core vicinity portion of the first...
US20110128990 Optical fiber temperature sensor  
An optical fiber temperature sensor includes an optical transceiver module, a transmission fiber and a sensing head. When the transmission fiber is a polarization maintaining fiber, the sensing...
US20130301976 WAVEGUIDE-TYPE POLARIZATION BEAM SPLITTER  
Provided is a waveguide-type polarization beam splitter in which deterioration of a polarization extinction ratio due to temperature change and wavelength change is suppressed. A groove is formed...
US20140064657 SINGLE-FIBER SUBASSEMBLY  
A single-fiber subassembly includes a first photodiode for receiving incident light, a laser diode for transmitting emergent light, and a same-wavelength optical splitter having a positive...
US20050025447 Multichannel optical attenuator for multiplexed signal  
The invention relates to a multichannel optical attenuator for multiplexed signal. This optical attenuator includes at least one input optical fibre (1) intended to transport a set of light beams...
US20110103736 POLARIZATION-INDEPENDENT WAVEGUIDE-TYPE OPTICAL INTERFERENCE CIRCUIT  
A Mach-Zehnder interferometer circuit (700) is provided with two couplers (722, 724) and two arm waveguides (706, 708) connecting the couplers with each other, each fabricated on a substrate, in...
US20090202191 Systems and Techniques for Generating Cylindrical Vector Beams  
A technique is described for generating a cylindrically polarized beam, e.g., a radially or azimuthally polarized beam. An input optical fiber is provided that supports signal propagation in a...
US20140016894 SUPPRESSION OF RESONANT POLARIZATION CONVERSION IN PHOTONIC INTEGRATED CIRCUITS  
A device may include a number of optical waveguides, each of which being spaced from one another. The optical waveguides may each include at least one curved section and widths of the curved...
Matches 1 - 50 out of 262 1 2 3 4 5 6 >