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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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)... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |