Abstract: Aspects of the disclosure provide a method for processing three-dimensional (3D) hexagonally sampled seismic data. The method can include receiving 3D hexagonally sampled seismic data represented using 3D spiral architecture (SA), the 3D hexagonally sampled seismic data including a plurality of data traces each corresponding to center of a hexagon in the 3D SA, representing the 3D hexagonally sampled seismic data as two-dimensional (2D) seismic data using spiral architecture (SA) addressing scheme, and processing the 2D seismic data with an SA based signal processing process.

Abstract: A method comprising for deghosting seismic data is disclosed. The method includes the steps of acquiring seismic data by conducting a survey of a subsurface area of interest wherein the seismic data includes ghost data and estimating a time-varying wave height above the subsurface area of interest during at least a portion of the survey, wherein the estimation of the wave height is based at least in part on a remote measurement of the wave height during the survey. The estimated time-varying wave height is used to characterize the ghost data and deghost the seismic data based at least in part on the characterized ghost data.

Abstract: A method can include receiving seismic data that has an associated bandwidth; for a number of frequency bands, for a number of frequency bands, iteratively filtering and adjusting the seismic data by applying band-pass filters to extract information associated with each of the frequency bands where the adjusting the seismic data includes, after each iteration, subtracting extracted information from the seismic data prior to a subsequent iteration; balancing the extracted information to generate spectrally balanced seismic data; and outputting the spectrally balanced seismic data.

Abstract: Embodiments of the subject technology provide for predicting seismic impedance. The subject technology generates a corridor stack based on vertical seismic profile (VSP) data of a wellbore in a subterranean formation. The subject technology generates an initial estimate of a velocity model for the subterranean formation below the wellbore. The subject technology generating a density model for the subterranean formation below the wellbore based on information from nearby wells. The subject technology inverts, based on a global inversion algorithm and the initial estimate of the velocity model, the generated corridor stack to determine a set of velocity models. The subject technology generates impedance models in a depth domain based on the generated density model and the set of velocity models. Further, the subject technology stores the generated impedance models.

Abstract: A capacitive proximity sensor may include a proximity sensing capacitor to provide a voltage output based on a voltage input, the capacitor including a ground plane and an electrode loop capacitively coupled to the ground plane. The proximity sensor may include a processor to detect an object proximity based on a change in the voltage output. This proximity sensor provides automated detection of a person, and thereby reduces the need for a vehicle occupant or child caregiver to activate a sensor by pressing a button. The use of a capacitance-based proximity sensor reduces issues associated with fabric, clothing, or other materials separating the proximity sensor from a person.

Abstract: Electrostatic field sensor and security system in interior spaces and exterior spaces which can measure electrostatic fields and the variations thereof along a metal conductor that acts as a detection probe or antenna (1). The antenna (1) is connected to an electronic circuit (2, 3, 4, 31, 32) which is able to decode the changes in the electrostatic field around the conductor and to detect minuscule variations in the electrostatic field by means of a processor (7) enabling the clear detection of a human presence in an area surrounding the antenna (1) and the ability to differentiate between a human presence and any other type of animal or object.

Abstract: An apparatus for detecting a presence of an object includes an inductive sensing coil that is configurable to generate a first magnetic field. The inductive sensing coil is configured to have an electrical characteristic that is detectable when generating the first magnetic field. The electrical characteristic is configured to vary as a function of a second time-varying magnetic field simultaneously applied to the object. The apparatus comprises a controller configured to detect a change in the electrical characteristic and determine a presence of the object based on the detected change in the electrical characteristic. The electrical characteristic comprises one or more of an equivalent resistance, an equivalent inductance, an equivalent impedance, and an impulse response of the inductive sensing coil. The object comprises one or more of a ferromagnetic object, a metallic film and a metallic foil.

Abstract: A method for foreign object detection for an induction charging device is described, including an oscillator circuit, in particular, for a hand-held power tool, a resonance frequency and an associated actual quality of the oscillator circuit being detected and the actual quality is subsequently compared to a setpoint quality as a function of the resonance frequency and a decision is made about the presence of a foreign object based on a defined setpoint quality range. The method provides that an internal temperature of induction charging device is detected, in particular, during the wireless energy transmission, and the actual quality is multiplied by a correction factor based on the internal temperature. Also, an induction charging device is described that includes an oscillator circuit and a control and regulating unit, as well as at least one temperature sensor for carrying out the method.

Abstract: Method and system for improving the speed and accuracy of determining formation properties using multiple logging data are disclosed. Logging data relating to the formation of interest is obtained and used as an input. High frequency noise is then removed from the logging data and bed-boundary determination is performed using the logging data. An adaptive low pass filter is applied to the logging data and the logging data is inverted. The inverted logging data is then visually interpreted.

Abstract: Systems, apparatuses, and methods for measuring material thickness of multiple tubulars by placing a logging tool in a well with multiple conductive tubulars and generating an electromagnetic field that interacts with the tubulars. A logging tool obtains the measurements using one or more receivers. A monitoring system or the logging tool applies the measurements to a mathematical model that considers at least a transition zone and one or both of a near field zone and a remote field zone of the electromagnetic field that interacts with the multiple conductive tubulars. Furthermore, the monitoring system or the logging tool may ascertain a thickness of the one or more conductive tubulars using the mathematical model.

Abstract: Signal measurements collected by azimuthally sensitive electromagnetic logging tool as a function of position in a borehole are obtained. The signal measurements are used to identify a type of formation model. An inversion technique appropriate to the type of formation model is applied to the set of signal measurements to determine a geophysical property. The geophysical property is used to make a decision regarding drilling a well.

Abstract: Techniques involve obtaining dielectric measurements measured from a dielectric logging tool investigating a borehole at a one or more frequencies in a first frequency range, obtaining inductive measurements measured from an inductive tool investigating the borehole at one or more frequencies in a second frequency range, where the second frequency range is higher than the first frequency range, estimating an estimated resistivity anisotropy by conducting an inversion on the dielectric measurements, computing a measured resistivity anisotropy by conducting an inversion on the inductive measurements, and determining a characteristic related to reservoir fluids in the borehole, based on a comparison of the estimated resistivity anisotropy and the measured resistivity anisotropy.

Abstract: Disclosed are systems, methods, and apparatuses to detect one or more downhole laterals in a wellbore using electromagnetic sensors. Certain embodiments include a subsurface unit including a ruggedized encapsulation resistant to heat, pressure, and variations in pH. The systems and apparatuses are communicable with surface controls.

Abstract: Systems, methods, and software for predicting a pore throat size distribution are described. A representative method includes obtaining a nuclear magnetic resonance (NMR) relaxation-time distribution data set. The method also includes training a radial basis function (RBF) model based on the NMR relaxation-time distribution data set and a measured pore throat size distribution data set. The method also includes obtaining a subsequent NMR relaxation-time distribution data set. The method also includes employing the trained RBF model to predict a pore throat size distribution data set based at least in part on the subsequent NMR relaxation-time distribution data set. The method also includes storing or displaying a predicted pore throat size distribution corresponding to the predicted pore throat size distribution data set. The predicted pore throat size distribution is associated with a rock sample or subsurface formation volume.

Abstract: A method, an apparatus, and a system for x-ray scanning inspection of motorized vehicles are described. The apparatus or system comprises a concrete facility that has a concrete housing, multiple x-ray beam sources, multiple x-ray beam detectors on respective opposite sides of the multiple x-ray beam sources, and a conveyor belt. The apparatus or system is automated to deliver alerts if any of the scanned motorized vehicles contain prohibited materials. The method, apparatus, and system are able to detect organic versus inorganic matter. Specific beam strength and a distance between the motorized vehicles make this technology automated and more accurate for security screening of a large number of motorized vehicles.

Abstract: The present disclosure relates to borehole logging methods and apparatuses for estimating formation properties using nuclear radiation, particularly an apparatus and method for estimating amounts of silicon and/or oxygen in the formation. The method may include using nuclear radiation information from at least one nuclear radiation detector to estimate at least one parameter of interest. The method may include separating a gross nuclear radiation count into separate nuclear radiation components. The method may also include reducing an error in the estimated formation properties due to speed variations of a nuclear radiation source that activates the silicon and oxygen in the formation. The apparatus may include at least one nuclear radiation detector. The apparatuses may include an information processing device to perform the methods.

Abstract: Borehole logging methods for estimating a parameter of interest using nuclear radiation. Methods include estimating a water saturation of the formation from gamma radiation from at least the formation detected in the borehole using a radiation detector, the gamma radiation responsive to a pulsed neutron source and resulting from at least one of: (i) decay of nitrogen-16 formed by activation of oxygen-16, and ii) inelastic scattering of neutrons from oxygen. This may include using at least one processor to: obtain a gamma ray count measurement, representing gamma rays from one of (i) the decay of nitrogen-16 (ii) and the inelastic scattering, and estimate the water saturation using the gamma ray count measurement and a model comprising a relationship between measured gamma ray counts and modeled gamma ray counts from each of a fully water saturated formation and a minimally water saturated formation.

Abstract: Certain aspects of the present disclosure provide methods and apparatuses for detecting foreign objects via infrared sensing. One example apparatus generally includes at least one infrared (IR) sensor configured to output a thermal signal indicative of a temperature of an area. The apparatus further includes at least one time differentiator coupled to the at least one IR sensor, the at least one time-differentiator being configured to generate a time-differentiated thermal signal based on the thermal signal. The apparatus further includes at least one correlation unit configured to correlate the time-differentiated thermal signal to a varying exposure level magnetic field. The apparatus further includes a determining unit configured to determine whether an object is present in the area based on the correlation of the time-differentiated thermal signal to the varying exposure level magnetic field.

Abstract: A system and method for determining adiabatic stress derivative of temperature for rocks under water. The system includes three pressure vessels disposed in seawater. A data collecting unit is in the first pressure vessel. A rock sample is in a first chamber of the second pressure vessel. A temperature sensor is in each of the center of the rock, the surface of the rock sample, and the first chamber. A pressure sensor is also in the first chamber. Outputs of the temperature sensors and the pressure sensor are communicated with inputs of the data collecting unit. A first drain valve is provided on the second pressure vessel and communicated with the first chamber. A second drain valve is provided between the second pressure vessel and the third pressure vessel, and communicated with the first chamber and the second chamber.

Abstract: The disclosed embodiments include a method, apparatus, and computer program product for performing gridless simulation of a fluvio-deltaic environment. For example, one disclosed embodiment includes a system that includes at least one processor, and at least one memory coupled to the at least one processor and storing instructions that when executed by the at least one processor performs operations that include generating a set of channel centerlines corresponding to a set of channels that are indicative of flow units in a fluvio-deltaic environment; and generating channel widths for each of the channel centerlines. In one embodiment, the operations for generating the set of channel centerlines of the reservoir include selecting a seed point for each channel, assigning each seed point a direction of propagation, and iteratively generating each channel.

Abstract: Embodiments of a method of pore type classification for petrophysical rock typing are disclosed herein. In general, embodiments of the method utilize parameterization of MICP data and/or other petrophysical data for pore type classification. Furthermore, embodiments of the method involve extrapolating, predicting, or propagating the pore type classification to the well log domain. The methods described here are unique in that: they describe the process from sample selection through log-scale prediction; PTGs are defined independently of the original depositional geology; parameters which describe the whole MICP curve shape can be utilized; and objective clustering can be used to remove subjective decisions. In addition, the method exploits the link between MICP data and the petrophysical characteristics of rock samples to derive self-consistent predictions of PTG, porosity, permeability and water saturation.

Abstract: Techniques for modelling a production forecast for a well are described. In one embodiment, a method includes calibrating a geological reservoir model by analyzing pressure transient well tests, fitting the geological reservoir model to pressure data to estimate model parameters, and building a simulated history of bottom hole pressure based on the model and measured transient flow data. The calibrating may further include fitting the model to flow rate data, using measured and simulated pressure data as input, to estimate model parameters, and then building a simulated history of downhole flow rate based on the model and change in measured pressure data. The calibrated model can be used to forecast future well production. Additional methods, systems, and devices are also disclosed.

Abstract: Provided are methods, devices, and non-transitory computer-readable storage mediums to generate an itinerary with a weather forecast. The itinerary may comprise a departure location, a destination location and a first time. Based on the itinerary, an intermediary location and an intermediary time associated with the intermediary location may be identified. A weather forecast associated with the identified intermediary location and the intermediary time may be predicted. A weather risk associated with the identified route may be assessed and. based on the assessed risk, an alternative route may be additionally identified.

Abstract: A method is provided for production of a module, including the steps of: providing a substrate (1) having a first surface (5) in the form of a translucent carrier; providing an open casting mold (6), wherein the formation of at least one optical element (4, 4?) is provided in the casting mold (6); covering the surface (5) with a polymeric casting compound (3) in the open casting mold, while forming the optical element from the casting compound (3); and curing the casting compound in the casting mold, wherein the translucent carrier and the casting compound (3) together form an optical system (10).

Abstract: The invention is related to a medical device comprising a core material made of a crosslinked silicone material and a hydrogel coating which is thermodynamically stable. The invention is also related to a method for producing such a medical device, especially a soft contact lens.

Abstract: The present invention provides a substrate with an antireflection layer not only which is excellent in the antireflection properties but also which has high water repellency and oil repellency and favorable oil and fat stain removability, and a display device provided with a substrate with an antireflection layer. A substrate with an antireflection layer, which comprises an antireflection layer on at least one surface of the substrate, wherein the antireflection layer contains a silica porous film having fluorinated organic groups, and the surface of the antireflection layer on the opposite side from the substrate has an element number ratio F/Si of at least 1 as obtained from the peak height of F1s and the peak height of Si2p in surface analysis by scanning X-ray photoelectron spectroscopy (ESCA) and has an arithmetic mean roughness (Sa) of at most 3.0 nm.

Abstract: A coated substrate includes a substrate having a glow-discharged surface; and a coating having a submicrometric layer thickness sputter deposited onto the substrate. The coating having a submicrometric layer thickness has a predetermined absorbance. The predetermined absorbance regulates an amount of light transmitted from a light source through the substrate from a first side to a second side of the substrate. The substrate is opaque on the second side of the substrate when the light source is deactivated on the first side of the substrate. The predetermined absorbance varies as a function of one or more controlled process parameters.

Abstract: An optical device with a deformable membrane (2) including an anchor area (2.3) on a support (1) entrapping a liquid or gas fluid, a central area (2.1) reversibly deformable from a rest position, actuating means for moving the fluid (4) biasing the membrane (2) into an intermediate area between the anchor area (2.3) and the central area (2.1), the actuating means include a piezoelectric continuous crown accommodating several actuators (5.1), this crown surrounding the central area (2.1), the actuating means (5) being anchored to the membrane (2) in at least the intermediate area (2.2), the actuating means (5) and the membrane (2) to which they are anchored, forming at least one piezoelectric bimorph (B), the actuating means (5) radially contracting or extending upon actuation so as to generate a movement of said fluid (4) from the intermediate area (2.2) to the central area (2.1) of the membrane (2) or vice versa, aiming at deforming the central area (2.1) with respect to its rest position.

Abstract: A transparent display includes nanoparticles having wavelength-selective scattering (e.g., resonant scattering) to preferentially scatter light at one or more discrete wavelengths so as to create images. The nanoparticles transmit light at other wavelengths to maintain a high transparency of the display. The nanoparticles are disposed in proximity to a thin film, which can enhance the scattering the process by reflecting light back to the nanoparticles for re-scattering or increasing the quality factor of the resonant scattering.

Abstract: The present invention discloses an anti-peep film, a method for manufacturing the same and a display device. The anti-peep film includes a main body and at least one light converging structure provided inside the main body; a refractive index of the main body is different from a refractive index of the light converging structure, to cause incident light to be outputted after being converged by the light converging structure. In the anti-peep film, the method for manufacturing the same and the display device provided by the present invention, a light converging structure is located inside a main body, and a refractive index of the main body is different from a refractive index of the light converging structure, to cause incident light to be outputted after being converged by the light converging structure, such that the display device has good anti-peep properties in all the different viewing directions.

Abstract: According to one embodiment, a display device includes a first substrate and a second substrate which are opposed to each other, wherein the second substrate includes, in a display area where an image is displayed, first light shields extending in a first direction and arranged apart from each other in a second direction which crosses the first direction, second light shields extending in the second direction and arranged apart from each other in the first direction, and an intermediate layer disposed between the first light shields and the second light shields, and the first light shields cross the second light shields via the intermediate layer.

Abstract: To provide an optical filter having shielding effects against near ultraviolet rays and near infrared rays. An optical filter comprising a transparent resin body having a single layer or multilayer structure, and containing a near ultraviolet absorbing dye (U) which is a compound represented by the following formula (U) and which has an absorption maximum at a wavelength of from 370 to 425 nm and has a molar absorptivity at the maximum absorption wavelength of at least 50,000 [L/(mol·cm)], and a near infrared absorbing dye (A) which has an absorption maximum at a wavelength of from 600 to 800 nm: In the formula (U), Y is an oxygen atom, a methylene group or a dimethylene group, R1 is a monovalent hydrocarbon group which may have a substituent, or the like, R2 to R5 are a hydrogen atom, an alkyl group, an alkoxy group or the like, and X is a bivalent group represented by any one of the formulae (X1) to (X5) or the like.

Abstract: The present invention discloses a crystal coating optical low pass filter, which includes a UV-IR cut-off film, a crystal plate, an ink layer, and an AR film. The UV-IR cut-off film can be replaced with an IR film. By coating the crystal plate with ink having infrared absorbing effect to form an ink layer, the present invention possesses both the birefringence characteristic of the crystal and the effect similar to infrared absorbing glass. Compared with the traditional OLPF using infrared absorbing glass, the thickness of the product is reduced and the situation that the infrared absorb glass is fragile and has a poor resistance to drop is significantly improved. The present invention can be used in smartphones, digital cameras, in-vehicle cameras, security cameras and has a large space of marketing.

Abstract: An optical component includes a phosphor member, an optical filter arranged over the phosphor member at a light extraction side of the phosphor member, and a light scattering member arranged on over the optical filter. An excitation spectrum of the phosphor member has a first local maximum wavelength in the visible region and a second local maximum wavelength in the ultraviolet region. The optical filter is configured to reflect a portion of light at the first local maximum wavelength and a portion or all of light at the second local maximum wavelength.

Abstract: There are provided a high brightness polarizing plate and a liquid crystal display device including the high brightness polarizing plate as a lower polarizing plate. The high brightness polarizing plate includes: a polarizer; and a protective film disposed on a side of the polarizer, wherein the protective film faces a backlight unit, and a primer layer including a low-refractive polymer resin and fine hollow particles is formed on a side of the protective film opposite to a side thereof facing the polarizer.

Abstract: An exemplary embodiment of the present invention provides a polarizer including a first retardation layer and a second retardation layer having different retardation values with respect to each other, a polarization layer disposed on the first retardation layer, a first compensation layer disposed between the first retardation layer and the second retardation layer, and a second compensation layer disposed below the second retardation layer.

Abstract: A backlight unit for a holographic display is provided. The backlight unit includes: at least one light source; at least one input coupler; a light guide panel (LGP) that guides light; a first holographic element on a first surface of the LGP; and a second holographic element on a second surface of the LGP, wherein the at least one input coupler is configured to uniformly transmit rays emitted from the at least one light source toward the first holographic element through the LGP, and the LGP is configured to transmit the rays incident from the at least one input coupler toward the first holographic element, and the first holographic element redirects the rays toward the second holographic element, the redirected rays being substantially parallel to one another, and the second holographic element emits rays incident from the first holographic element toward an outside of the LGP.

Abstract: There is provided a light guide body, containing: a first end region; a second end region located on an opposite side of the first end region; first dots; and second dots having a dot in the first end region being smaller than a dot in the second end region, wherein a size difference between the first dots and the second dots in the first end region is smaller than a size difference between the first dots and the second dots in the second end region.

Abstract: An optical device is provided. The optical device comprises a light converting member arranged to at least party convert incoming light of a first wavelength into light of a second wavelength, to emit light of the second wavelength, and to reflect at least a part of the light of the first wavelength; and a light guide comprising a light entrance and a light exit, the light guide being arranged to guide incoming light of the first wavelength from the light entrance to the light converting member and to guide light emitted and/or reflected from the light converting member to the light exit. The light converting member and the light exit are at opposite surfaces of the light guide. The light converting member and the light exit are arranged along a main optical axis of the light guide, and the light entrance is arranged at a geometrical envelope surface surrounding the main optical axis of the light guide.

Abstract: A film, a backlight module and a display device are provided. The film includes: a first body having a platy structure, a protrusion protruded from an edge of the first body in a plane where the first body is located, and a positioning structure intersected with one surface of the protrusion wherein the positioning structure includes a second body and one or more openings; the second body includes a blocking portion and a connecting portion; the blocking portion is connected with the protrusion through the connecting portion; and the one or more openings are disposed between the blocking portion and the protrusion.

Abstract: A display device includes a prism sheet between a display cell and a light guiding plate. The prism sheet includes a plurality of prisms having a constant apex angle continuously arranged in a second direction on a surface thereof opposed to a light-exiting surface of the light guiding plate. Each of ridge lines of the prisms extends in a first direction. Each prism has a first inclined face on a side on which light from the light guiding plate is incident and a second inclined face on a side reflecting the incident light. An area of the first inclined face is made smaller than an area of the second inclined face, and an area of a light-emitting region in the prism sheet is made larger than an area of a non-light-emitting region.

Abstract: Methods and apparatus for providing circadian-friendly LED light sources are disclosed. A light source is formed to include a first LED emission (e.g., one or more LEDs emitting a first spectrum) and a second LED emission (e.g., one or more LEDs emitting a second spectrum) wherein the first and second LED emissions are combined in a first ratio and in a second ratio such that while changing from the first ratio to the second ratio the relative circadian stimulation is varied while maintaining a color rendering index above 80.

Abstract: A display module is provided. The display module includes a backlight module with an upper surface, a display panel opposite to the backlight module, and a glue having a first contact surface and a second contact surface located between the display panel and the backlight module, wherein the first contact surface is in contact with the display panel, the second contact surface is in contact with the upper surface of the backlight module, and there is a gap between the display panel and the backlight module. A method for fabricating a display module is also provided.

Abstract: Disclosed is a backlight unit. The backlight unit includes a light source, and a cover bottom internally accommodating the light source. Here, the cover bottom is divided into n-numbered (n>1) sub-cover bottoms, and a coupling unit for mutually fixing and coupling the divided cover bottoms is formed at ends of each of the cover bottoms facing each other.

Abstract: Few mode optical fibers for mode division multiplexing. The Few Mode Fiber supporting 25 or 30 LP guided modes and includes a graded index core with a ?-profile, a radius R1 (at 0 refractive index difference) between 21.5 and 27 ?m and a maximum refractive index difference Dn1 between 12.5×10?3 and 20×10?3, and an end of the ?-profile at a radius R1b, with index difference Dn1b; a trench surrounding the core with radius R3 between 30 and 42 ?m and refractive index difference Dn3 between ?15.10?3 and ?6.10?3, an intermediate depressed trench with a radius R2, with R1b<R2<R3 and a refractive index difference Dn2, with Dn3<Dn2<0, wherein: for |Dn1b?Dn2|>=0.5×10?3, Min(Dn1b, Dn2)??1.5×10?3, and for |Dn1b?Dn2|<0.5×10?3, Dn2 is between ?5×10?3 and ?3.5×10?3.

Abstract: A strip of sacrificial semiconductor material is formed on top of a non-sacrificial semiconductor material substrate layer. A conformal layer of the non-sacrificial semiconductor material is epitaxially grown to cover the substrate layer and the strip of sacrificial semiconductor material. An etch is performed to selectively remove the strip of sacrificial semiconductor material and leave a hollow channel surrounded by the conformal layer and the substrate layer. Using an anneal, the conformal layer and the substrate layer are reflowed to produce an optical waveguide structure including the hollow channel.

Abstract: The present disclosure provides an optical waveguide formation photosensitive epoxy resin composition which contains an epoxy resin and a photo-cationic polymerization initiator, wherein the epoxy resin includes a solid epoxy resin component alone. Thus, a core layer forming material can be provided, which has higher R-to-R (roll-to-roll) adaptability and higher transparency at a wavelength of 850 nm. Therefore, a core layer for an optical waveguide can be formed as having excellent R-to-R adaptability, higher transparency and a lower loss by using the optical waveguide formation photosensitive epoxy resin composition without changing the conventional production process.

Abstract: A method of forming an integrated circuit is disclosed. The method includes: (i) forming at least a pair of optoelectronic devices from at least a first wafer material arranged on a semiconductor substrate, the first wafer material different to silicon; (ii) etching the first wafer material to form a first recess to be filled with a second material; (iii) processing the second material to form a waveguide for coupling the pair of optoelectronic devices to define an optical interconnect; and (iv) bonding at least one partially processed CMOS device layer having at least one transistor to the second semiconductor substrate to form the integrated circuit, the partially processed CMOS device layer arranged adjacent to the optical interconnect. An integrated circuit is also disclosed.

Abstract: It is difficult to actualize a semiconductor optical waveguide having desired properties that reflect design even when process technology for a semiconductor electronic circuit is applied as is to the production of a semiconductor optical waveguide. The present invention includes: a substrate; a semiconductor optical waveguide structure arranged on the substrate; a planar region formed around the semiconductor optical waveguide structure on the substrate; and a semiconductor dummy structure that is arranged around the planar region on the substrate and is formed of a plurality of dummy patterns, wherein the semiconductor optical waveguide structure includes a line-symmetric pattern on a plane that is parallel to the substrate; and the plurality of dummy patterns are arranged symmetrically with respect to the symmetry axis of the line-symmetric pattern.

Abstract: A light emitting device, an optical module and a manufacturing method thereof are disclosed. According to an example of the disclosure, the light emitting device may comprise an optical waveguide chip, a light emitting chip and a grating between the light emitting chip and the optical waveguide chip. The light emitting chip may emit laser light. The grating may couple the laser light emitted from the active layer into the optical waveguide chip in a way that the laser light is output along a length direction of the optical waveguide chip.