Inventor

RYF ROLAND

US64 patents

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

RYF ROLAND

ALCATEL LUCENT USA INC

Speckle reduction in laser-projector images

Detector of infrared radiation having a bi-material transducer

Photonic lantern spatial multiplexers with mode selectivity

Single-end optical fiber transfer matrix measurement using spatial pilot

Datacenter interconnection system

Multi-mode optical communication with mode mixtures

Optical communication with low temporal coherence light

Optical spatial mode-multiplexer

System and method for a multi-mode pump in an optical amplifier

Compact two-stage optical amplifier

Multimode vertical-cavity surface-emitting laser

Compact image projector having a mirror for reflecting a beam received from a polarization beam splitter back to the polarization beam splitter

Infrared imaging apparatus

Hybrid wavelength selective switch

1×N wavelength selective switch

LUCENT TECHNOLOGIES INC

Direct optical image projectors

Optical device with configurable channel allocation

Optical MEMS switch with converging beams

Optical MEMS switch with imaging system

Orthogonal heterodyne optical signal-to-noise-ratio (OSNR) monitoring method and apparatus

Imaging technique for use with optical MEMS devices

Optical systems comprising curved MEMs mirrors and methods for making same

CHEN GANG

Diffuser configuration for an image projector

System and method generating multi-color light for image display having a controller for temporally interleaving the first and second time intervals of directed first and second light beams

Time division multiplexing a DC-to-DC voltage converter

Image projector employing a speckle-reducing laser source

RYF ROLAND

Monitor having integral camera and method of operating the same

Optical mode couplers for multi-mode optical fibers

Scalable waveguide-mode coupler for an optical receiver or transmitter

Waveguide coupler for optical transverse-mode multiplexing

AGERE SYSTEMS INC

Mirror for use with a micro-electro-mechanical system (MEMS) optical device and a method of manufacture therefor

Device for use with a micro-electro-mechanical system (MEMS) optical device and a method of manufacture therefor

Imaging technique for use with optical MEMS devices

ALCATEL LUCENT

Receiver for optical transverse-mode-multiplexed signals

Multimode optical fiber, mode delay adjuster for fiber systems, and methods to use such fibers, adjusters, and systems

Multimode optical fiber, mode delay adjuster for fiber systems, and methods to use such fibers, adjusters, and systems

NOKIA SOLUTIONS & NETWORKS OY

Recovery of phase-modulated data from an optical signal via intensity measurements

Optical transmitter for passive optical networks

Coherent optical communication with constellations having coordinates on circles

ESSIAMBRE RENE-JEAN

Transverse-mode multiplexing for optical communication systems

Multimode optical communication

NEILSON DAVID T

Compact wavelength-selective cross-connect device having multiple input ports and multiple output ports

Wavelength-selective cross-connect device having astigmatic optics

RANDEL SEBASTIAN A

Optical receiver having a MIMO equalizer

XIE CHONGJIN

Optical time domain reflectometry for multiple spatial mode fibers

ESSIAMBRE RENE′-JEAN

Multi-mode optical transmission line with differential modal group delay compensation

ESSIAMBRE RENE'-JEAN

Multimode optical fiber, mode delay adjuster for fiber systems, and methods to use such fibers, adjusters, and systems

NOKIA TECHNOLOGIES OY

Single-ended probing through a multimode fiber having distributed reflectors

AKSYUK VLADIMIR ANATOLYEVICH

Holographic MEMS operated optical projectors

BOLLE CRISTIAN A

Enhanced optical readout scheme for a thermal imager employing a reconfigurable spatial light modulator