Patent application number | Description | Published |
20080205899 | Optoelectronic Transmitting and Receiving Device - An optoelectronic transmitting and receiving device, including a pierced platform including at least one through hole for introduction of an optical fiber, a first optoelectronic element integral with the platform, arranged substantially facing the through hole and configured to emit or receive a first laser beam at a first wavelength, and at least one second optoelectronic element hybridized on the platform and arranged substantially facing the through hole. The first element is arranged between the platform and the second element, which is configured to receive or emit a second laser beam at a second wavelength, different than the first wavelength, passing through the first element. | 08-28-2008 |
20080253423 | COMPACT OPTO-ELECTRONIC DEVICE INCLUDING AT LEAST ONE SURFACE EMITTING LASER - This relates to an opto-electronic device comprising at least two opto-electronic components ( | 10-16-2008 |
20090026249 | METHOD FOR SOLDERING TWO COMPONENTS TOGETHER BY USING A SOLDER MATERIAL - A method for soldering or hybridizing two components to each other by means of a solder material, including producing, on the opposite-facing surfaces of the components to be soldered or hybridized, a surface capable of being wetted by said solder material, this surface being produced on a first component which is in electrical contact with a metallic conductor, depositing an appropriate quantity of solder material capable of constituting a solder or hybridization pad on one of the wettability surfaces, depositing a flux material in liquid form, bringing the wettability surface of the other component into contact with the solder material thus deposited and raising the temperature until at least the melting temperature of the solder material is reached in order to ensure effective soldering or hybridization of the two components to each other due to the reflow effect. | 01-29-2009 |
20090040755 | Light-Emitting Device With Chromatic Control - The light-emitting device includes a base substrate and preferably three light-emitting diodes respectively associated with three primary colors and emitting a part of their signal in the direction of the base substrate. The device includes three chromatic photodetectors formed in the base substrate constituting a semiconducting substrate, and each arranged under an associated light-emitting diode. Each chromatic photodetector includes superposed first, second and third layers. The first layer and third layer have a first type of conductivity and the second layer has a second type of conductivity. The device includes a control component connected to the chromatic photodetectors and to the light-emitting diodes to control the global color of the light emitted by the device. | 02-12-2009 |
20090262336 | NON-DESTRUCTIVE TESTING OF AN INTEGRATED OPTICAL COUPLER IN AN INTEGRATED OPTICAL CIRCUIT - A non-destructive method for characterizing a surface-illuminated integrated optical coupler associated with an optical waveguide, comprising the steps of measuring the reflection coefficient on a first region of the coupler at a distance from the optical waveguide and constructing a first curve, determining a first model of the reflection coefficient on the first region, performing a first parameter fitting between the first curve and the first model to determine first parameters, measuring the reflection coefficient on a second region of the coupler close to the guide, and constructing a second curve, determining a second model of the reflection coefficient on the second region, performing a second parameter fitting between the second curve and the second model to determine second parameters, and constructing the characteristic of the coupling efficiency of the coupler using the first and second parameters. | 10-22-2009 |
20100098379 | STRUCTURE AND METHOD FOR ALIGNING AN OPTICAL FIBER ON AN OPTICAL WAVEGUIDE - An optical device including at least one first optical waveguide coupled to a second optical waveguide of smaller cross-section which penetrates into it on the side of a first end. The first optical waveguide is capable of being coupled with an optical fiber on the side of a second end. A surface of the first optical waveguide includes a diffraction grating capable of introducing-extracting-sending back light into and from the first optical waveguide. | 04-22-2010 |
20100102107 | METHOD FOR COATING TWO ELEMENTS HYBRIDIZED BY MEANS OF A SOLDERING MATERIAL - This method of coating the area of hybridization of a component constituted by two elements associated with one another by means of a soldering material, comprises depositing in proximity to said component a coating substance capable of filling by capillarity the volume defined between the hybridized elements of said component. On the periphery of the hybridization area on the lower element of said component is defined an area ( | 04-29-2010 |
20100202738 | Structure and Method for Aligning an Optical Fiber and a Submicronic Waveguide - A method for aligning an optical fiber and a submicronic waveguide of an integrated optical circuit, the waveguide including a core surrounded with upper and lower layers forming an optical cladding, including the steps of: (a) forming, in the upper layer, one or several openings capable of extracting light from the waveguide; (b) roughly positioning the optical fiber to send light into the waveguide; (c) finely moving the optical fiber with respect to the waveguide and detecting the position causing the extraction of a maximum amount of light at the level of the opening(s); and (d) depositing a glue binding the optical fiber to the optical circuit and filling the opening(s). | 08-12-2010 |
20100265504 | OPTICAL DEVICE WITH SUPERIMPOSED PHOTONIC CIRCUITS FOR COUPLING TO ONE OR MORE OPTICAL WAVEGUIDES - Said device comprises a substrate ( | 10-21-2010 |
20100329603 | STRUCTURE AND METHOD FOR ALIGNING AN OPTICAL FIBER AND A SUBMICRONIC WAVEGUIDE - An integrated optical circuit including an operational submicronic waveguide associated with an operational grating intended for the coupling with an optical fiber, further including an alignment grating, identical to the operational grating, associated with a blind waveguide and arranged at a known distance from the operational grating. | 12-30-2010 |
20110182548 | DEVICE FOR COUPLING AN OPTICAL FIBER AND A NANOPHOTONIC COMPONENT - The invention relates to a device for coupling an optical fiber and a nanophotonic component formed on a first substrate, wherein the device comprises: an intermediate component formed on a second substrate including a first wave guide adapted for receiving light from the optical fiber and for transmitting the same to a first diffraction grating independently from the polarization of the incident light; second and third diffraction gratings formed on the first substrate and coupled to the nanophotonic component, the first diffraction grating being adapted to provide the first and second light beams respectively towards the second diffraction grating and the third diffraction grating, the first and second beams having perpendicular polarizations. | 07-28-2011 |
20120020622 | PLANAR NANOPHOTONIC WAVEGUIDE COMPRISING A STRUCTURE FOR OPTICAL COUPLING WITH AN OPTICAL FIBRE - A single-mode planar nanophotonic waveguide includes an optical core, a cladding coating the optical core, and a structure for the optical coupling of the core of the waveguide with the core of a single-mode optical fibre. The coupling structure includes an adaptation element including a gradual broadening of the core of the waveguide ending in a broadened region of dimension adapted to the core of the optical fibre; and a light transmission element, optically connected to the broadened region, and defining a plane coupling surface by which light is transmitted to the optical fibre, the optical coupling ratio through the surface when the surface is in contact with the air being maximum for a predetermined coupling angle (θ) of the light relative to the coupling surface. | 01-26-2012 |
20120087621 | NANOPHOTONIC OPTICAL DUPLEXER - An optical duplexer intended to receive light at a first optical wavelength and to transmit back light at a second optical wavelength, including, on a substrate, successive layers forming a photoreceptor of the first optical wavelength, a selective filter letting through the first optical wavelength, and a waveguide having a surface including a grating which is transparent for the first optical wavelength and diffracting for the second optical wavelength. | 04-12-2012 |
20130344643 | PIN structure semiconductor optical receiver - A PIN structure semiconductor optical receiver includes first and second electrical contact layers and an intrinsic layer disposed between them. The intrinsic layer includes a stud having a stud axis and a stud cross-section. The first and second contact layers have dimensions in a plane perpendicular to the stud axis that are greater than the stud's cross-section. These layers are also elongated and have longitudinal axes offset angularly relative to each other to minimize facing areas of said electrical contact layers. | 12-26-2013 |