Inventor

SHIRASAKI MASATAKA

US57 patents

⚠️ This page may combine multiple inventors who share the name “SHIRASAKI MASATAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHIRASAKI MASATAKA

FUJITSU LTD

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical apparatus which uses a virtually imaged phased array to produced chromatic dispersion

Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile

Virtually imaged phased array as a wavelength demultiplexer

Optical device

Compensator which experiences thermal expansion to compensate for changes in optical distance through a transparent material

Apparatus which includes a virtually imaged phased array (VIPA) in combination with a wavelength splitter to demultiplex wavelength division multiplexed (WDM) light

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Virtually imaged phased array (VIPA) having air between reflecting surfaces

Polarization rotation compensator and optical isolator using the same

Faraday rotator assembly

Optical device

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical phase controller and optical switch

Optical circulator or switch having a birefringent wedge positioned between faraday rotators

Virtually imaged phased array (VIPA) having spacer element and optical length adjusting element

Optical component wherein either an optical field distribution of received light or an optical field distribution of a propagation mode of a receiving waveguide has a double-hump shape

Faraday rotator which generates a uniform magnetic field in a magnetic optical element

Polarized-wave-dispersion- preventive optical fiber and its manufacturing method

Laser device

Optical amplifier

Modulation method for use in a semiconductor laser and an apparatus therefor

Optical switch having low cross-talk for wide range of wavelengths

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Laser light source device

Spatial phase modulating masks and production processes thereof, and processes for the formation of phase-shifted diffraction gratings

Polarizing element

Optical waveguide device with phase matching layers

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical wavelength division multiplexed system using wavelength splitters

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile

Virtually imaged phased array (VIPA) having spacer element and optical length adjusting element

Virtually imaged phased array (VIPA) having lenses arranged to provide a wide beam width

Optical transmitter

Mirror apparatus for increasing light absorption efficiency of an optical detector

Ring laser employing unidirectional attenuator

Optical wavelength compounding/dividing device

Prism polarizer

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Spectrum measuring equipment utilizing double-image polarizing element

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

Optical wavelength division multiplexed system using wavelength splitters

(unassigned)

Optical interferometer with squeezed vacuum and reduced guided-acoustic-wave brillouin scattering noise

MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Fiber ring interferometer using a Kerr medium optical fiber loop

LUCENT TECHNOLOGIES INC

Chirped waveguide grating router with focal length adjustment