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Oclaro Japan Inc patents (2016 archive)


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Oclaro Japan Inc-related inventors


Optical signal generator

Preferable simultaneous achievement of the target characteristics with respect to both of the modulation bandwidth and the extinction ratio in the optical intensity modulation using the electro-absorption optical modulator is realized with a simple circuit configuration. The modulator integrated semiconductor laser element includes a plurality of ea modulators disposed in series in an optical signal path, and each adapted to absorb light in accordance with an applied voltage. ... Oclaro Japan Inc

Optical signal generator

Multilevel optical intensity modulation high in accuracy is performed using electro-absorption optical modulators. There is provided a plurality of ea modulators connected in series in a path of an optical signal from a light source, and a multilevel-coded modulated optical signal is generated by modulating an intensity of an input optical signal from the light source based on a modulation signal using the ea modulators. ... Oclaro Japan Inc

Optical module

An optical module includes: a wiring substrate that has a wiring pattern including a connecting portion and is arranged on an optical subassembly so as to be electrically connected thereto; and a flexible insulating layer formed between the optical subassembly and the wiring substrate. The optical subassembly includes: a conductive stem that has a surface opposed to the wiring substrate, the conductive stem being shaped so that the surface has a through hole opened therein and being connected to a reference potential; and a signal lead for transmitting a signal, the signal lead passing through the through hole while being electrically insulated from the conductive stem. ... Oclaro Japan Inc

Optical module

An electrical interface includes an insulating body, first electrodes, and second electrodes. The insulating body includes a first front edge surface and a second front edge surface facing in a direction along a transmission direction of an optical signal at an optical interface and having different heights. ... Oclaro Japan Inc

Optical transmission module

An optical transmission module includes: a package; a plurality of light-emitting elements each emitting light in the interior of the package; a beam splitter splitting the light into transmitted light and split light; a plurality of light-receiving elements each including a light-receiving surface on which the split light is incident in the interior of the package, for monitoring light outputs of the plurality of light-emitting elements; and a first light-shielding film provided between the plurality of light-emitting elements and the beam splitter and including a plurality of first holes for the light to propagate to the beam splitter, wherein the plurality of light-receiving elements are disposed with the light-receiving surfaces facing the beam splitter.. . ... Oclaro Japan Inc

Optical transmission module

An optical transmission module that converts an electric signal to an optical signal and outputs the optical signal, including: a package; a plurality of light-emitting elements each emitting light in the interior of the package; a plurality of light-receiving elements each including a light-receiving surface on which a portion of the light is incident in the interior of the package, for monitoring light outputs of the plurality of light-emitting elements; and light-shielding members provided on the plurality of light-receiving elements while avoiding the light-receiving surfaces.. . ... Oclaro Japan Inc

Optical transmission module and optical transceiver

The optical transmission module, which is configured to input differential signals including a positive-phase signal and a negative-phase signal, includes: a laser oscillator configured to output laser light; an optical modulator configured to modulate the laser light based on the positive-phase signal; a negative-phase terminating resistor configured to terminate the negative-phase signal; a peltier device including a first region and a second region in which heat is exchanged; a substrate mounted to the first region so that heat is conducted to the first region; and a package which is hermetically sealed, the laser oscillator and the optical modulator being mounted on the substrate so that heat is conducted to the first region, the negative-phase terminating resistor being arranged outside of the substrate so as to avoid conduction of heat to the first region.. . ... Oclaro Japan Inc

Optical module

A flexible wiring board includes a conductive film provided on one surface of a substrate. The conductive film includes a plurality of pad portions to which a plurality of connection electrodes are respectively bonded with solder, and a wiring portion extending in a direction crossing a row in which the plurality of pad portions are arranged. ... Oclaro Japan Inc

Optical semiconductor resonator, optical semiconductor device, and optical module

In order to prevent non-uniformity in emission wavelength among different sites along an optical axis direction, provided is a resonator portion including: a waveguide which includes a first area and a second area being adjacent to the first area; and diffraction gratings formed along an optical axis direction. The effective refraction index in the first area is larger than the one in the second area, and the thickness in the first area is larger than the one in the second area. ... Oclaro Japan Inc

Semiconductor light receiving device, optical receiver module and manufacturing method thereof

Provided are a semiconductor light receiving device, an optical receiver module, and a manufacturing method thereof in which characteristics of the device are improved when the device has a structure in which a mesa structure including layers formed of a common material is buried by a buried layer. The semiconductor light receiving device includes the mesa structure including the layers formed of a commonmaterial, the layers including an absorbing layer, the mesa structure being buried by the buried layer formed so as to surround side surfaces of the mesa structure. ... Oclaro Japan Inc

Optical transmission module and manufacturing method thereof

An optical transmission module in which optical axis adjustment is possible in a wide range and with a high accuracy, and a method of manufacturing the optical transmission module are provided. An optical transmission module includes a light source that outputs light, a mirror that reflects the light output by the light source, a lever on which the mirror is arranged and that has a fulcrum, a lens that converges the light reflected by the mirror, and a waveguide that transfers the light converged by the lens, with a core having a section width smaller than a wavelength in vacuum of the light.. ... Oclaro Japan Inc

Semiconductor integrated optical device, manufacturing method thereof and optical module

Provided is a butt-jointed (bj) semiconductor integrated optical device having a high manufacturing yield. A semiconductor integrated optical device, which is configured such that, on a semiconductor substrate, a first semiconductor optical element including an active layer and a second semiconductor optical element including a waveguide layer are butt-jointed to each other with their optical axes being aligned with each other, includes: a semiconductor regrowth layer including at least one of a diffraction grating layer or an etching stop layer, which is formed by one epitaxial growth across an entire surface above the active layer and the waveguide layer; and a cladding layer formed above the semiconductor regrowth layer.. ... Oclaro Japan Inc

Optical module, optical transceiver, printed circuit board, and flexible printed circuit board

An optical module includes: a first circuit board including a first signal terminal part and a first ground terminal part formed on a front surface; and a second circuit board including a second signal terminal part and a second ground terminal part formed on a back surface. The first circuit board further includes: a first dielectric layer; a first signal wire formed on a front surface of the first dielectric layer; a first ground conductor layer formed on a back surface of the first dielectric layer; and a first through ground conductor passing through the first dielectric layer. ... Oclaro Japan Inc

Optical module and method of manufacturing optical module

An optical module includes an optical semiconductor device and a stem including a lead terminal configured to perform at least one of transmitting an electric signal to the optical semiconductor device or transmitting an electric signal output from the optical semiconductor device. The optical module also includes a substrate having a ground layer, a first opening through which the lead terminal passes, and a connecting portion configured to electrically connect the stem and the ground layer. ... Oclaro Japan Inc








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