METHOD AND DEVICE FOR HITLESS TUNABLE OPTICAL FILTERING

Method and device for hitless tunable optical filtering

Spectrally Controlled Illuminator and Method of Use Thereof

Coolerless photonic integrated circuits (PICs) for WDM transmission networks and PICs operable with a floating signal channel grid changing with temperature but with fixed channel spacing in the floating grid

Continuously tunable optical dispersion compensation synthesizers using cascaded etalons

METHOD AND APPARATUS FOR SPECTRAL BAND MANAGEMENT

Reconfigurable DWDM wavelength switch based on complementary bandpass filters

METHOD AND APPARATUS FOR INTERCONNECTING A PLURALITY OF OPTICAL TRANSDUCERS WITH A WAVELENGTH DIVISION MULTIPLEXED OPTICAL SWITCH

Tunable optical filter

WAVELENGTH DIVISION MULTIPLEXED OPTICAL COMMUNICATION SYSTEM HAVING A RECONFIGURABLE OPTICAL SWITCH AND A TUNABLE BACKUP LASER TRANSMITTER

Variable dispersion compensator and method of controlling the same

Interferometric chemical sensor array

MULTI-CAVITY OPTICAL FILTERS WITH INVERSE PARABOLIC GROUP DELAY RESPONSES

Polarization independent birefringent tunable filters

Lens assembly, optical device, optical axis adjusting method for an optical device

Controllable optical multiplexer

Wide free-spectral-range, widely tunable and hitless-switchable optical channel add-drop filters

Packaging a reconfigurable optical add-drop module

Reconfigurable optical filters formed by integration of electrically tunable microresonators

Unit-cell array optical signal processor

Modular all-optical cross-connect

FLAT TOP TUNABLE FILTER WITH INTEGRATED DETECTOR

CMOS-compatible polarization-diverse tunable optical bandpass filter

INTEGRATED OPTOELECTRONIC SYSTEM FOR AUTOMATIC CALIBRATION OF AN OPTICAL DEVICE

Method and apparatus for transferring WDM signals between different wavelength division multiplexed optical communications systems in an optically transparent manner

Dispersion compensating apparatus

Tunable optical dispersion compensating apparatus

Multi-channel dispersion compensator

Controllable optical add/drop multiplexer

Beam steering element and associated methods for mixed manifold fiberoptic switches

Continuously tunable optical dispersion compensation synthesizers using cascaded etalons

Optical communications system

Spectrally adjustable filter

FIBER-BASED TUNABLE LASER

Method and device for tunable optical filtering

Method and apparatus for compensating for fiber nonlinearity in a transmission system

Chromatic dispersion compensation device and method

External cavity semiconductor laser and method for fabrication thereof

Power source for a dispersion compensation fiber optic system

OPTICAL DIPLEXER WITH LIQUID CRYSTAL TUNABLE WAVEPLATE

Tunable dispersion compensator

Beam position sensor for optical switch modules

Wavelength selective optical switch

Gires-Tournois etalons and dispersion compensators

Device For Reconfigurable Processing Optical Beams

Modular all-optical cross-connect

Polarization mode dispersion compensator, polarization mode dispersion compensating method, and its application to optical communication system

Dispersion compensator, optical transmission system and optical transmission method

HIGH SELECTIVITY BAND-PASS INTERFEROMETER WITH TUNING CAPABILITIES

Method and apparatus for processing optical signals with supergratings

Tunable optical add/drop multiplexer

Tunable dispersion compensation

Compact high-resolution tunable optical filter using optical diffraction element and a mirror

Wideband receiver based on photonics technology

Diffraction grating and dispersion compensation circuit

TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPICs) AND OPTICAL TRANSPORT NETWORK SYSTEM EMPLOYING TxPICs

Device and method using asymmetric optical resonances

OPTICAL COMMUNICATION SYSTEM

Optical modulator

Apparatus, system and method for a tunable optical filter

WDM-PON system with optical wavelength alignment function

Tunable optical dispersion compensators

Spectral apparatus and wavelength dispersion control apparatus

Wavelength division multiplexed optical communication system with rapidly-tunable optical filters

Multi-unit wavelength dispersive device

Fabry-Perot tunable filter using a bonded pair of transparent substrates

MULTI-UNIT PLANAR LIGHTWAVE CIRCUIT WAVELENGTH DISPERSIVE DEVICE

Wavelength dispersion compensation device

Piano MEMS with hidden hinge

Tunable optical add/drop multiplexer

Thermally tunable optical dispersion compensation devices

Optical switches and actuators

Method and apparatus for optically filtering a communication signal

Wavelength selective optical device and method of tuning wavelength characteristics

Variable dispersion compensator

Wavelength selection switch

Optical signal demodulator

Wavelength tunable light source

Dispersion compensation apparatus

Wavelength Monitoring System

System and method for wavelength selective switching employing single-element gratings

Wavelength selective device

Wavelength selective optical switch

Optical add/drop multiplexers

Wavelength selective optical switch, and optical device provided with spectroscopic function

Low loss microring resonator device

Reconfigurable optical add/drop multiplexer

Tunable Optical Filter

Variable dispersion compensator

Tunable multi-loop opto-electronic oscillator with tunable RF or microwave filter based on optical filtering

Configurable dispersion compensation trimmer

Configurable dispersion compensation trimmer

Variable dispersion compensator

Tunable-wavelength optical filter and method of manufacturing the same

Spiral waveguide slow wave resonator structure

Spiral waveguide slow wave resonator structure

Optical filter

Tunable filter

Hitless tunable filter

Tunable dispersion compensator and method of manufacturing the same

Reconfigurable polarization independent interferometers and methods of stabilization

Gain-flattening apparatus and methods and optical amplifiers employing same

Hitless tunable optical add drop multiplexer with vernier gratings

Optical diplexer with liquid crystal tunable waveplate

Variable lightwave functional circuit and variable lightwave functional apparatus

Tunable single-channel dispersion compensator for high-speed optical systems

Monolithic waveguide/MEMS switch

Optical microresonator with microcylinder and circumferential coating forming resonant waveguides

Spiral waveguide slow wave resonator structure

Coupled waveguide optical microresonator

Variable lightwave functional circuit and variable lightwave functional apparatus

Integrated optical add/drop device having switching function

Variable lightwave functional circuit and variable lightwave functional apparatus

Optimized reconfigurable optical add-drop multiplexer architecture with MEMS-based attenuation or power management

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

Dispersion compensator

Wavelength selective optical switch

Rod integrators for light recycling

Planar optical waveguide circuit type variable attenuator

Colorless tunable dispersion compensator employing a planar lightwave circuit and a deformable mirror

Chromatic dispersion compensator

Optical communications system

Optical branching component with low polarisation sensitivity and increased process tolerance

Device for tailoring the chromatic dispersion of a light signal

Wavelength selective optical switch

Wavelength selective switch

Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects

Optical switch

Method and apparatus for implementing a multi-channel tunable filter

Optical switch, and apparatus and method for controlling optical switch

Apparatus as tuning filter

Optical processor

Tunable demultiplexer and tunable laser with optical deflector

System and method for performing dispersion compensation

Functional tunable multichannel filter

Polarization mode dispersion compensator, polarization mode dispersion compensating method, and its application to optical communication system

Dispersion compensating device and optical transmission system

System and apparatus for dropping and adding optical data streams in an optical communication network

Mirror, mirror unit, and optical switch

Optical switch

Dispersion compensating waveguide circuit

Rotary optical switch

Wavelength selective reconfigurable optical cross-connect

Process and device for positioning an optical component between two optical fibres

Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer

Wavelength-tracking dispersion compensator

Optical multiplexer/demultiplexer and optical communication system

Optical processor

Dispersion-slope compensator

Variable dispersion compensator

Flat top tunable filter with integrated detector

Variable optical attenuator multiplexer with a thermal isolating optical joint

Optical multiplexer/demultiplexer

Dual-source optical wavelength processor

Monolithic tunable lasers and reflectors

Optical wavelength division multiplexed system using wavelength splitters

Coolerless photonic integrated circuits (PICs) for WDM transmission networks and PICs operable with a floating signal channel grid changing with temperature but with fixed channel spacing in the floating grid

Optical signal processor and optical signal processing method for processing optical signals in optical communications systems

Hitless tunable optical add drop multiplexer with vernier gratings

Tuneable optical waveguide grating transmission filter

Tunable dispersion compensation apparatus

Optical filtration device

Tunable dispersion compensator

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

Flexible band tunable filter

System

Wavelength dispersion compensating apparatus

Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element

Process for the collective fabrication of optical filtering components, and wafer of components

Variable optical attenuator with tunable wavelength selectivity

Variable optical dispersion compensating module

1×N wavelength selective switch

Tuneable filter arrangement

Hitless errorless trimmable dynamic optical add/drop multiplexer devices

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

Dispersion slope equalizer

Tunable dispersion compensator for optical communication system

Tunable-wavelength optical filter and method of manufacturing the same

Dispersion compensating filters

Integrated optical-power adjustable WDM

Method based on stokes parameters for the adaptive adjustment of PMD compensators in optical fiber communication systems and compensator in accordance with said method

Optical interleaver

Polarisation mode dispersion compensator using a mean square error technique

WDM-PON system with optical wavelength alignment function

Dynamic polarization mode dispersion emulator

Tunable balanced opto-electronic filters and applications in opto-electronic oscillators

Compact wavelength selective switching and/or routing system

Dynamic gain equalizer

Optical add/drop multiplexing systems

Methods and systems for chromatic dispersion compensation in switched grating WDM devices

Apparatus for dispersion compensating a signal that propagates along a signal path

Thermally actuated wavelength tunable optical filter

Wavelength manipulation system and method

Light dispersion compensating element and composite type light dispersion compensating element using that element and light dispersion compensating method using that element

Variable lightwave function circuit and variable lightwave function device

Tunable filter, manufacturing method thereof and optical switching device comprising the tunable filter

Optical multi/demultiplexer, optical multi/demultiplexing method, and optical filter

Wavelength selective switching and/or routing system

Bipolar RF-photonic transversal filter with dynamically reconfigurable passbands

Wavelength characteristic variable filter, optical amplifier, and optical communications apparatus

Method and apparatus for implementing a multi-channel tunable filter

Tunable dispersion compensator for an optical transmission system

Liquid crystal variable wavelength filter unit, and driving method thereof

Tunable dispersion compensator

Tunable dispersion compensator

Tunable dispersion compensator

Neural-based internet search engine with fuzzy and learning processes implemented by backward propogation

Optical monitor and a method for improved optical monitoring

Control method of wavelength dispersion compensator, and wavelength dispersion compensator

Spectroscopic apparatus

Variable wavelength dispersion compensator

Wavelength selective optical switch

Temperature compensation method of an optical wdm component and temperature-compensated optical wdm component

Multichannel optical attenuator for multiplexed signal

Movable mirror device, dispersion compensator, gain equalizer, and optical ADM apparatus

Multi-order dispersion compensation device

Dynamic spectral equalizer using a programmable holographic mirror

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

Tunable dispersion compensator and method for tunable dispersion compensation

Tunable dispersion compensator and method for tunable dispersion compensation

Wavelength-tunable optical filter

Opto-electronic device with an integrated light deflector and wavelength tunable external cavity laser using the same

Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects

Systems and methods to maintain phase relations of an optical signal in a photonic dot product engine

Optical filter having a tapered profile

Optical bandpass filter based on reflective devices

Waveguide heating in LIDAR systems

Extending the optical spectrum of an optical network

Dynamically optimized tunable filters for optical sensing systems

Input coupler for chip-scale laser receiver device

Optical source testing

High-efficiency, high-divergence chip-scale emitter using a waveguide defect between resonant gratings

Photonic integrated circuit using a quantum dot comb laser for heterodyne optical signals

Ferrule coupling to on-die optical socket

Apparatus for optical switching with transmissional and reflective polarization modulators

Integrated optical device

Optical through silicon via

Optical dispersion compensator on silicon

Shaping the bandpass spectrum of a tunable filter for optical network applications

Tunable optical filter with adjustable bandwidth

Subwavelength photonic crystal waveguide with trapezoidal shaped dielectric pillars in optical systems

Thermo-optically tuned photonic resonators with concurrent electrical connection and thermal isolation

Interleaved aliased AWG filter for continuous wideband wavelength discrimination

Multimode optical tap filters without dispersion for high-speed data communications

Monolithic photonic integrated circuit (PIC) with a plurality of integrated arrays of laser sources and modulators employing an extended identical active layer (EIAL)