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Coriant Advanced Technology Llc patents

Recent patent applications related to Coriant Advanced Technology Llc. Coriant Advanced Technology Llc is listed as an Agent/Assignee. Note: Coriant Advanced Technology Llc may have other listings under different names/spellings. We're not affiliated with Coriant Advanced Technology Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Coriant Advanced Technology Llc-related inventors

Phase demodulation method and circuit

An electrical circuit and method for de-modulation and carrier recovery of psk modulated carrier signals in analog domain are described. A portion of the received psk-modulated carrier signal is passed through a signal multiplication circuit to obtain a frequency-multiplied carrier that is absent of the psk modulation, which is then passed through a frequency dividing circuit to obtain a reference carrier at the received carrier frequency. ... Coriant Advanced Technology Llc

Photonic-chip-based optical spectrum analyzer

An optical spectrum analyzer (osa) for measuring an optical spectrum of an input optical signal in a measurement wavelength range is provided. The osa comprises a modulator, an integrated optical filter, and a photodetector. ... Coriant Advanced Technology Llc

Differential phase biasing modulator apparatus and method

A circuit that allows the control of a parameter in each arm of a mach-zehnder interferometer or modulator in push-pull mode using a single control terminal and a ground (or a differential driving circuit). The parameter that is controlled can be a phase shift, a modulation or an attenuation. ... Coriant Advanced Technology Llc

Integrated on-chip polarizer

A low loss high extinction ratio on-chip polarizer is disclosed. The polarizer includes an input waveguide taper having an outer waveguiding region that widens in the direction of light propagation along at least a portion of the taper length, and a core waveguiding region that narrows in the direction of light propagation along at least a portion of the taper length, so as to selectively squeeze out light of undesired modes into the outer regions while preserving light of a desired mode in the waveguide core. ... Coriant Advanced Technology Llc

Shielded photonic integrated circuit

A light shield may be formed in photonic integrated circuit between integrated optical devices of the photonic integrated circuit. The light shield may be built by using materials already present in the photonic integrated circuit, for example the light shield may include metal walls and doped semiconductor regions. ... Coriant Advanced Technology Llc

Distributed traveling-wave mach-zehnder modulator driver

A distributed traveling-wave mach-zehnder modulator driver having a plurality of modulation stages that operate cooperatively (in-phase) to provide a signal suitable for use in a 100 gb/s optical fiber transmitter at power levels that are compatible with conventional semiconductor devices and conventional semiconductor processing is described.. . ... Coriant Advanced Technology Llc

Hybrid pin connecting apparatus for optoelectronic devices

A hybrid pin connecting apparatus and method for connecting a thermally susceptible high-speed optoelectronic device to a pcb, comprising a combination of one or more flat pins or gull wing pins capable of transmitting high-speed electrical signals above 5 gbps for being locally soldered to one or more matching surface mount pads on the pcb, and a pin grid array capable of transmitting only low-speed electrical signals below 5 gbps mounted on the substrate for fitting into and connecting to a geometrically matching array of through-hole connections on the pcb.. . ... Coriant Advanced Technology Llc

Compact and low loss y-junction for submicron silicon waveguide

A compact, low-loss and wavelength insensitive y-junction for submicron silicon waveguides. The design was performed using fdtd and particle swarm optimization (pso). ... Coriant Advanced Technology Llc

Heat sink for a semiconductor chip device

A heat sink for a semiconductor chip device includes cavities in a lower surface thereof for receiving electrical components on a top surface of the semiconductor chip, and a pedestal extending through an opening in the semiconductor chip for contacting electrical components on a bottom surface of the semiconductor chip. A lid may also be provided on the bottom surface of the semiconductor chip for protecting the electrical components and for heat sinking the electrical components to an adjacent device or printed circuit board.. ... Coriant Advanced Technology Llc

Photodetector with integrated temperature control element

A temperature-controlled photodetector sub-system is described. The temperature control element allows the operation of the photodetector at a desired temperature. ... Coriant Advanced Technology Llc

Optical link architecture based on wireline equalization techniques

A high data rate, high sensitivity, low power optical link using low-bandwidth components and low-bandwidth e/o drivers and receivers and method of building same. The method is based on the idea of making the optical part of the link look like a bandwidth limited lossy electrical channel, so that the powerful equalization methods used in the wireline electrical links can be applied to recover the transmitted data in a situation with low bandwidth and/or high loss and strong inter-symbol interference. ... Coriant Advanced Technology Llc

Test systems and methods for chips in wafer scale photonic systems

A qualification apparatus for a photonic chip on a wafer that leaves undisturbed an edge coupler that provides an operating port for the photonic devices or circuits on the chip during normal operation in order to not introduce extra loss in the optical path of the final circuit. The qualification apparatus provides an optical path that is angled with regard to the surface of the chip, for example by using a grating coupler. ... Coriant Advanced Technology Llc

Optical modulator having a plurality of modulator segments

An optical modulator apparatus may include a plurality of segment drivers, each segment driver having a unique offset voltage and driving but a portion or a segment of an electro-optical modulator. A modulating electrical signal may be applied to the segment drivers via a plurality of electrical delays. ... Coriant Advanced Technology Llc

Photonic interface for electronic circuit

A photonic interface for an electronic circuit is disclosed. The photonic interface includes a photonic integrated circuit having a modulator and a photodetector, and an optical fiber or fibers for optical communication with another optical circuit. ... Coriant Advanced Technology Llc

02/16/17 / #20170045689

Photonic integrated circuit incorporating a bandgap temperature sensor

An optical device that includes means for thermal stabilization and control is described. The optical device can be a ring resonator, or another device that requires accurate control of the phase of the optical signal. ... Coriant Advanced Technology Llc

01/12/17 / #20170012708

Transmitter optical signal to noise ratio improvement through receiver amplification in single laser coherent systems

A transceiver having an improved transmitter optical signal to noise ratio, and methods of making and using the same.. . ... Coriant Advanced Technology Llc

01/05/17 / #20170003451

Integrated on-chip polarizer

A low loss high extinction ratio on-chip polarizer is disclosed. The polarizer is formed of a mode convertor followed by a mode squeezer and a dump waveguide, and may be configured to pass a desired waveguide mode and reject undesired modes. ... Coriant Advanced Technology Llc

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