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2024
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Invention
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Optical coherent receiver having an optical hybrid configuration with reduced phase error.
An op... |
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Invention
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High speed optical frequency measurement device.
An optical frequency measurement system include... |
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Invention
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Beam splitting and combining micro-optic.
In some implementations, an optical device includes a ... |
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2023
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Invention
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Optical locker.
There is described an interferometer for use in an optical locker. The interfero... |
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Invention
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Deep-etched electro-optic waveguide modulator with non-constant waveguide width.
In some impleme... |
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Invention
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High power photodiode.
In some implementations, a photodiode includes a waveguide layer of a fir... |
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Invention
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Reciprocal linear fit methodology for calibrating frequency locker. A frequency locker calibratio... |
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Invention
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Optical fiber connector. An optical fiber connector includes a housing part having a first end, a... |
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Invention
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Reciprocal linear fit methodology for wavelength locker. A stepped etalon calibration method, a r... |
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Invention
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Optical fiber connector. An optical fiber connector (200), comprising: a first stainless-steel pa... |
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Invention
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Integrated optical receiver with monitor photodiode.
An optical receiver includes an integrated ... |
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Invention
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Optical coherent receiver having an optical hybrid configuration with reduced phase error. An opt... |
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Invention
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Optical assembly with an optical element to suppress a parasitic etalon response.
In some implem... |
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Invention
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Thermal management in an optical sub-assembly.
An optical sub-assembly includes a housing; at le... |
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Invention
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Testing system for high-frequency modulators.
A testing system for a modulator includes a radio ... |
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Invention
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Phase control for double-nested quadrature modulator.
In some implementations, a controller may ... |
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Invention
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Fibermount.
An optical device may include an optical fiber, a solder material, and a fibermount ... |
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2021
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Invention
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Interferometry assembly having optical paths through different materials. There is described an i... |
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Invention
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Apparatus for monitoring the output of an optical system. Apparatus for monitoring the output of ... |
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Invention
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Biasing method for inp mach-zehnder modulators directly coupled to rf driver circuits. An optical... |
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2020
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Invention
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Interferometry assembly for use in an optical locker. There is described an interferometer for us... |
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2019
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Invention
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Modulator assembly. An electro-optic modulator. The modulator is made as a plurality of discrete ... |
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Invention
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Semiconductor separation device. Described is a semiconductor substrate stack, including: a plura... |
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Invention
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Optical filter control. a controller configured to adjust the tuneable optical filter on the basi... |
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Invention
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Optical filter control. An optical filter assembly comprising: a tuneable optical filter; a beam ... |
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2018
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Invention
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Negative bias to improve phase noise. A method of operating an optoelectronic device comprising a... |
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Invention
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Balancing losses in semiconductor optical waveguides. A method of equalising optical losses, at a... |
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Invention
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Combined frequency and mode filter. An optical filter comprising a first lens, and first and seco... |
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Invention
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Rf chirp reduction in mz modulator. A waveguide structure for use in a balanced push-pull Mach Ze... |
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Invention
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Apparatus for monitoring the output of an optical system and to account for attenuation and/or cl... |
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Invention
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Tuneable filter. According to a first aspect of the present invention, there is provided an optic... |
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2017
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Invention
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Electrical isolation in photonic integrated circuits. A method of providing electrical isolation ... |
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Invention
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Waveguide array. There is described an RF waveguide array. The array comprises a substrate compri... |
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Invention
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Waveguide structure. A waveguide structure including a waveguide having a thermally controllable ... |
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Invention
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Tuneable dbr laser without external frequency locker. In accordance with one aspect of the presen... |
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Invention
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Active mode centre control. There is disclosed a DBR laser and a method of use. The DBR laser com... |
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Invention
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Ground structure in rf waveguide array. A radio frequency, RF, waveguide array. The array compris... |
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Invention
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Optical locker using first and second transparent materials for path length independence from tem... |
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Invention
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Optimised rf input section for coplanar transmission line. A chip comprising a bonding pad region... |
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Invention
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Rf transition assembly comprising an open coaxial structure with a cavity for receiving a conduct... |
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2016
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Invention
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Optical modulation device. The invention relates to optical modulation devices and, in particular... |
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Invention
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Calibration of pluggable optical module. An optical communications apparatus comprising a host (1... |
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Invention
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Electronical compensation of an interleaver transfer function for optical multiple carrier transm... |
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Invention
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Dither free bias control. A Mach-Zehnder modulator for modulating optical signals, and comprising... |
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2015
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Invention
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Optical component. Methods and apparatus for use in coherent transmission and reception of optica... |
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2013
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Invention
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Semiconductor dbr laser. A semiconductor distributed Bragg reflector laser configured for single ... |
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Invention
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Optoelectronic assembly. The invention relates to an optoelectronic assembly. The optoelectronic ... |
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Invention
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Optical modulator. The invention relates to a folded Mach-Zehnder modulator. The modulator may co... |
