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Elenion Technologies Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Elenion Technologies Llc-related inventors


Semiconductor laser

A hybrid single or multi-wavelength laser using an optical gain element, such as a semiconductor optical amplifier (soa), for example a qd rsoa, and a semiconductor, e.g. Silicon, photonics chip is demonstrated. ... Elenion Technologies Llc

Chip identification system

Otherwise-unused metal pads are utilized for mechanically marking an identification number on each chip in each reticle of each semiconductor wafer. A chip-specific marking pattern is scribed into selected metal pads using a standard commercial wafer probe controlled by a custom-built controller to direct the probe or probe stage to implement the pattern. ... Elenion Technologies Llc

Bias control of optical modulators

An optical waveguide modulator with automatic bias control is disclosed. A dither signal is applied to the modulator bias and its signature detected in light tapped from an output of the modulator using a phase sensitive dither detector such as a lock-in amplifier. ... Elenion Technologies Llc

Bias control of optical modulators

An optical iq modulator with automatic bias control is disclosed. A dither signal is applied to the modulator bias and its signature detected in light tapped from an output of the modulator using a phase sensitive dither detector such as a lock-in amplifier. ... Elenion Technologies Llc

Mode matched y-junction

A mode-matched waveguide y-junction with balanced or unbalanced splitting comprises an input waveguide, expanding from an input end to an output end, for expanding the input beam of light along a longitudinal axis; first and second output waveguides extending from the output end of the input waveguide separated by a gap. Ideally, each of the first and second output waveguides includes an initial section capable of supporting a fundamental super mode, and having an inner wall substantially parallel to the longitudinal axis, and a mode splitting section extending from the initial section at an acute angle to the longitudinal axis.. ... Elenion Technologies Llc

Methods, test structures, and test systems for determining a surface characteristic of a chip facet

A test system for determining a surface characteristic of a chip facet comprises a chip, which has a facet and includes a waveguide, a detector, and a processor. The on-chip waveguide is configured to direct test light towards the facet, where a portion of the test light is reflected and a portion of the test light is transmitted. ... Elenion Technologies Llc

Optical modulator

A novel phase shifter design for carrier depletion based silicon modulators, based on an experimentally validated model, is described. It is believed that the heretofore neglected effect of incomplete ionization will have a significant impact on ultra-responsive phase shifters. ... Elenion Technologies Llc

Operation and stabilization of mod-mux wdm transmitters based on silicon microrings

A transmitter comprising a plurality of modulator and multiplexer (mod-mux) units, each mod-mux unit operating at an optical wavelength different from the other mod-mux units. The transmitter can additional include in each mod-mux unit two optical taps and three photodetectors that are configured to allow the respective mod-mux unit to be tuned to achieve thermal stabilization and achieve effective modulation and wdm operation across a range of temperatures. ... Elenion Technologies 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. ... Elenion Technologies Llc

Bias control of optical modulators

An optical waveguide modulator with automatic bias control is disclosed. A portion of the modulator light is mixed with reference light and converted to one or more electrical feedback signals. ... Elenion Technologies Llc

Ultra-responsive phase shifters for depletion mode silcon modulators

A novel phase shifter design for carrier depletion based silicon modulators, based on an experimentally validated model, is described. It is believed that the heretofore neglected effect of incomplete ionization will have a significant impact on ultra-responsive phase shifters. ... Elenion Technologies 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. ... Elenion Technologies Llc

Metal-contact-free photodetector

A ge-on-si photodetector constructed without doping or contacting germanium by metal is described. Despite the simplified fabrication process, the device has responsivity of 1.24 a/w, corresponding to 99.2% quantum efficiency. ... Elenion Technologies 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. ... Elenion Technologies Llc

04/12/18 / #20180100969

Integrated polarization splitter and rotator including a third region for tuning the polarization dependent loss of output transverse electric signals

An integrated polarization splitter and rotator (psr) employs the te0 and te1 modes of propagating light, rather than the te0 and tm0 modes used in conventional prior art psr. The integrated psr exhibits appreciably flatter wavelength response because it does not require a directional coupler to de-multiplex incoming polarizations. ... Elenion Technologies Llc

03/29/18 / #20180090410

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.. ... Elenion Technologies Llc

03/29/18 / #20180088277

Back end of line process integrated optical device fabrication

An integrated optical device fabricated in the back end of line process located within the vertical span of the metal stack and having one or more advantages over a corresponding integrated optical device fabricated in the silicon on insulator layer.. . ... Elenion Technologies Llc

03/22/18 / #20180083710

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.. . ... Elenion Technologies Llc

03/22/18 / #20180081119

Bent taper with varying widths for an optical waveguide

A soi bent taper structure is used as a mode convertor. By tuning the widths of the bent taper and the bend angles, almost lossless mode conversion is realized between te0 and te1 in a silicon waveguide. ... Elenion Technologies Llc

03/22/18 / #20180081116

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). ... Elenion Technologies Llc

03/08/18 / #20180067257

Bent and tapered optical waveguide for more converter and polarization rotator

A bent taper is provided that includes one or more waveguide bends, at least one of which has a tapering waveguide width along at least a portion thereof. In one embodiment, the bent taper is an s-shaped bent taper that is configured as a te0-te1 mode convertor. ... Elenion Technologies Llc

03/01/18 / #20180062351

Quantum dot soa-silicon external cavity multi-wavelength laser

A hybrid external cavity multi-wavelength laser using a qd rsoa and a silicon photonics chip is demonstrated. Four lasing modes at 2 nm spacing and less than 3 db power non-uniformity were observed, with over 20 mw of total output power. ... Elenion Technologies Llc

02/22/18 / #20180052290

Optically aligned hybrid semiconductor device and method

Two semiconductor chips are optically aligned to form a hybrid semiconductor device. Both chips have optical waveguides and alignment surface positioned at precisely-defined complementary vertical offsets from optical axes of the corresponding waveguides, so that the waveguides are vertically aligned when one of the chips is placed atop the other with their alignment surface abutting each other. ... Elenion Technologies Llc

02/15/18 / #20180048386

Coherent optical receiver testing

An heterodyne apparatus and method for measuring performance parameters of a coherent optical receiver at rf frequencies is disclosed. Two coherent lights are launched into signal and lo ports of the receiver with an optical frequency offset f. ... Elenion Technologies Llc

02/15/18 / #20180045887

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. ... Elenion Technologies Llc

02/08/18 / #20180039026

Edge coupler

A composite optical waveguide is constructed using an array of waveguide cores, in which one core is tapered to a larger dimension, so that all the cores are used as a composite input port, and the one larger core is used as an output port. In addition, transverse couplers can be fabricated in a similar fashion. ... Elenion Technologies Llc

02/01/18 / #20180034554

Coherent optical receiver testing

An heterodyne apparatus and method for measuring performance parameters of a coherent optical receiver at rf frequencies is disclosed. Two coherent lights are launched into signal and lo ports of the receiver with an optical frequency offset f. ... Elenion Technologies Llc

01/18/18 / #20180019821

Optical dual resonator modulation system and method, and optical dual resonator modulator therefor

Described are various embodiments of a dual optical modulator, system and method. In one embodiment, an optical modulator modulates an input optical signal having a designated optical frequency. ... Elenion Technologies Llc

01/04/18 / #20180003897

Optimized 2x2 3db multi-mode interference coupler

An optimized soi 2×2 multimode interference (mmi) coupler is designed by use of the particle swarm optimization (pso) algorithm. Finite difference time domain (fdtd) simulation shows that, within a footprint of 9.4×1.6 μm2, <0.1 db power unbalance and <1 degree phase error are achieved across the entire c-band. ... Elenion Technologies Llc

11/23/17 / #20170338367

Lateral avalanche photodetector

A lateral ge/si apd constructed on a silicon-on-insulator wafer includes a silicon device layer having regions that are doped to provide a lateral electric field and an avalanche region. A region having a modest doping level is in contact with a germanium body. ... Elenion Technologies Llc

11/16/17 / #20170329082

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. ... Elenion Technologies Llc

11/09/17 / #20170322373

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. ... Elenion Technologies Llc

09/28/17 / #20170276971

Ultra-responsive phase shifters for depletion mode silcon modulators

A novel phase shifter design for carrier depletion based silicon modulators, based on an experimentally validated model, is described. It is believed that the heretofore neglected effect of incomplete ionization will have a significant impact on ultra-responsive phase shifters. ... Elenion Technologies Llc

08/17/17 / #20170235046

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). ... Elenion Technologies Llc

08/03/17 / #20170222730

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. ... Elenion Technologies Llc

07/20/17 / #20170205594

Optical fiber alignment device

A fiber alignment or “fiberposer” device enables the passive alignment of one or more optical fibers to a photonic integrated circuit (pic) device using mating hard-stop features etched into the two devices. Accordingly, fiber grooves can be provide separate from the electrical and optical elements, and attached to the pic with sub-micron accuracy. ... Elenion Technologies Llc

06/01/17 / #20170153393

Bent taper with varying widths for an optical waveguide

A soi bent taper structure is used as a mode convertor. By tuning the widths of the bent taper and the bend angles, almost lossless mode conversion is realized between te0 and te1 in a silicon waveguide. ... Elenion Technologies Llc

05/18/17 / #20170142504

Optical paired channel transceiver and system

An optical paired channel transceiver component comprises an optical channel interface to concurrently receive an inbound optical signal at a designated receiver frequency, and output an outbound optical signal at a designated transmitter frequency distinct from the receiver frequency; a receiver operable to process the inbound optical signal at the receiver frequency; a laser input interface to receive a laser input at the transmitter frequency to produce the outbound optical signal; and a resonant optical structure optically coupling each of the laser input interface and the receiver to the optical channel interface via respective optical paths, and having a resonance corresponding to one of the transmitter frequency and the receiver frequency such that a resonant one of the inbound signal and the outbound signal is resonantly redirected by the resonant optical structure along a resonant one of the respective paths.. . ... Elenion Technologies Llc

05/18/17 / #20170139146

Edge coupler

A composite optical waveguide is constructed using an array of waveguide cores, in which one core is tapered to a larger dimension, so that all the cores are used as a composite input port, and the one larger core is used as an output port. In addition, transverse couplers can be fabricated in a similar fashion. ... Elenion Technologies Llc

05/11/17 / #20170134094

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.. . ... Elenion Technologies Llc

04/13/17 / #20170104116

Germanium metal-contact-free near-ir photodetector

A ge-on-si photodetector constructed without doping or contacting germanium by metal is described. Despite the simplified fabrication process, the device has responsivity of 1.24 a/w, corresponding to 99.2% quantum efficiency. ... Elenion Technologies Llc

04/06/17 / #20170097469

Optimized 2x2 3db multi-mode interference coupler

An optimized soi 2×2 multimode interference (mmi) coupler is designed by use of the particle swarm optimization (pso) algorithm. Finite difference time domain (fdtd) simulation shows that, within a footprint of 9.4×1.6 μm2, <0.1 db power unbalance and <1 degree phase error are achieved across the entire c-band. ... Elenion Technologies Llc








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