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Photonics Electronics Technology Research Association patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Photonics Electronics Technology Research Association-related inventors


Optical wiring module, optical transceiver, and optical coupling method

An optical wiring module includes an optical wiring substrate on which an optical waveguide having a light input/output part is formed, and a fiber holder mounted on the optical wiring substrate, the fiber holder being configured to hold an optical fiber. The optical wiring substrate includes a hydrophobic film having... Photonics Electronics Technology Research Association

Optical measurement element for alignment in wafer-level testing and aligning an optical probe using the same

An alignment optical measurement element includes a grating coupler, and a reflector coupled to the grating coupler. The alignment optical measurement element is arranged so that: the grating coupler diffracts an incident light in a first direction into a first diffracted light to propagate the first diffracted light as a... Photonics Electronics Technology Research Association

Optical element

An optical element includes a gain chip, a ring modulator, which is a band-pass filter, a first optical waveguide and a second optical waveguide that are optically connected to the ring modulator, and a heater, wherein the first optical waveguide and the second optical waveguide are formed to be equal... Photonics Electronics Technology Research Association

Optical circuit module, optical transceiver using the same, and semiconductor photonic device

An optical circuit module comprises a substrate with a first optical coupler connected to a first optical waveguide and a second optical coupler connected to a second optical waveguide on a substrate surface side; and a semiconductor photonic device mounted on the substrate, wherein the semiconductor photonic device has a... Photonics Electronics Technology Research Association

Light receiving element

The light receiving element comprises: a light absorbing layer that absorbs light to generate a carrier; and a diffraction element that converts the optical path of first polarized light, which is obliquely incident on a plane formed by the light absorbing layer, so that the first polarized light propagates in... Photonics Electronics Technology Research Association

Optical modulation device

An optical modulation device includes: an optical waveguide formed above a substrate; a phase modulator disposed on part of the optical waveguide; a capacitor connected to the phase modulator and including a lower electrode and an upper electrode; a resistor connected in parallel to the capacitor; and an appended part... Photonics Electronics Technology Research Association

Optical fiber mounted photonic integrated circuit device

The invention relates to an optical fiber mounted photonic integrated circuit device where the tolerance in the positioning of the coupling between a single mode optical fiber and an optical waveguide provided in the photonic integrated circuit device is increased. A second optical waveguide of which the cross-section of the... Photonics Electronics Technology Research Association

Wavelength division multiplexing optical receiver and driving same

The invention relates to a wavelength division multiplexing optical receiver that is provided with a polarization splitting grating coupler and a driving method for the same, where the power consumption is reduced, and at the same time, a degradation in the receiver sensitivity is suppressed. Two monitor photodetectors configured to... Photonics Electronics Technology Research Association

Optical multiplexing and de-multiplexing element and arrayed-waveguide grating-type optical wavelength filter

There is provided an optical multiplexing and de-multiplexing element which is provided with a slab waveguide and a waveguide structure and can reduce radiation loss caused in a connection part between the slab waveguide and the waveguide structure. The waveguide structure includes a multimode interference (MMI) waveguide coupler and a... Photonics Electronics Technology Research Association

Semiconductor light-emitting element

According to one embodiment, a semiconductor light-emitting element includes a ring-shaped light-emitting portion provided on a substrate, a mode-control light waveguide of Si provided on an upper or a lower surface side of the light-emitting portion, and including at least two portions located close to the light-emitting portion, and an... Photonics Electronics Technology Research Association

Semiconductor light receiving device

A semiconductor light receiving device includes a substrate, a semiconductor fine line waveguide provided on the substrate, and a light receiving circuit that is provided on the substrate and that absorbs light propagating through the semiconductor fine line waveguide. The light receiving circuit includes a p type first semiconductor layer,... Photonics Electronics Technology Research Association

Pad-array structure on substrate for mounting ic chip on substrate, and optical module having said pad-array structure

A embodiment of the present invention provides a pad-array structure on a substrate for mounting an IC chip on the substrate. The present invention is characterized in that: a plurality of ground pads arrayed equidistantly in a first row, and a plurality of signal pads arrayed equidistantly in a second... Photonics Electronics Technology Research Association

Semiconductor device and manufacturing the same

A semiconductor device is provided with an insulating layer formed on a base substrate, an optical waveguide composed of a semiconductor layer formed on the insulating layer, and an insulating film formed along an upper surface of the insulating layer and a front surface of the optical waveguide. A peripheral... Photonics Electronics Technology Research Association

Semiconductor device and manufacturing the same

When an optical waveguide is formed, an area of an opening of a resist mask is equal to an area of a semiconductor layer for a dummy pattern exposed from the resist mask, and the semiconductor layer for the dummy pattern exposed from the resist mask has a uniform thickness... Photonics Electronics Technology Research Association

Semiconductor device and manufacturing the same

A performance of a semiconductor device is improved. In a method of manufacturing a semiconductor device, a first semiconductor portion and a second semiconductor portion made of silicon are formed on a base body via an insulation layer, and a third semiconductor portion including a semiconductor layer made of germanium... Photonics Electronics Technology Research Association

Waveguide-type optical diffraction grating and optical wavelength filter

Provided is a waveguide-type optical diffraction grating. A waveguide core includes a waveguide core that is asymmetric with respect to a thickness direction perpendicular to a light propagating direction. In the waveguide core, a phase adjustment portion is configured to adjust a phase difference between a forward wave traveling in... Photonics Electronics Technology Research Association

Waveguide-type optical diffraction grating and optical wavelength filter

Provided is a waveguide-type optical diffraction grating. A waveguide core includes a waveguide core that is asymmetric with respect to a thickness direction perpendicular to a light propagating direction. In the waveguide core, a phase adjustment portion is configured to adjust a phase difference between a forward wave traveling in... Photonics Electronics Technology Research Association

Modulated light source

A modulated light source includes a ring modulator, a first optical waveguide and a second optical waveguide that are optically connected to the ring modulator, and a third optical waveguide that optically connects an end of the first optical waveguide and an end of the second optical waveguide. At least... Photonics Electronics Technology Research Association








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