Optical element module

Laser system with wavelength converter

Precise broadband frequency modulated laser

Method to control transmitter optical module

Repeater, excitation light supply device used for the same, and excitation light supply method

Surface-emitting laser module, optical scanner device, and image forming apparatus

Amplifying apparatus and amplifying medium

Method and system for managing thermally sensitive optical devices

Optical waveguide splitter on a waveguide substrate for attenuating a light source

Semiconductor laser drive apparatus and image forming apparatus

Laser system

Laser light source apparatus and temperature control method of wavelength conversion element in laser light source apparatus

Device package and methods for the fabrication and testing thereof

Method and apparatus for detection of failure of an optical amplifier

LASER ASSEMBLY THAT PROVIDES AN ADJUSTED OUTPUT BEAM HAVING SYMMETRICAL BEAM PARAMETERS

Reduction of mode hopping in a laser cavity

Light source, and optical coherence tomography module

Temperature measurement and control for laser and light-emitting diodes

Pulse light source

Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser

Communication module and portable electronic device

Optical waveguide splitter on a waveguide substrate for attenuating a light source

Method and apparatus for reducing the amplitude modulation of optical signals in external cavity lasers

Regenerative mode locked laser swept source for OCT medical imaging

Laser module

Small packaged tunable laser transmitter

Electronic component mounting package and electronic apparatus using the same

System and method for generating an optimum side-mode suppression ratio continuous tuning path for a semiconductor tunable laser

Heat-swap device and method

Laser light source module and method of manufacturing laser light source module

OPTICAL AMPLIFIER AND MANUFACTURING METHOD OF OPTICAL AMPLIFIER

WAVELENGTH LOCKER DESIGN FOR PRECISE CHANNEL LOCKING OF A WIDELY TUNABLE LASER

Small packaged tunable laser assembly

Control method and measuring method of semiconductor optical amplifier, and semiconductor optical amplifier device

Method for manufacturing an optical unit

Laser light source

METHOD TO SWITCH EMISSION WAVELENGTH OF TUNABLE LASER DIODE

Sub-mount having photodiode and light-emitting element module

Pulse light source

Package member for electronic component and optical device including the package member

Semiconductor laser light source

OPTICAL COMPONENT AND OPTICAL MODULE

LIGHT SOURCE DEVICE AND OPTICAL COHERENCE TOMOGRAPHY APPARATUS

SEMICONDUCTOR LASER, SURFACE EMITTING SEMICONDUCTOR LASER, SEMICONDUCTOR LASER MODULE, AND NON-LINEAR OPTICAL DEVICE

Wavelength referencing by monitoring a voltage across a laser diode

Optical semiconductor element package and optical semiconductor device

Optical device, image forming apparatus, and method for controlling optical device

Optical transmitter and optical transmission apparatus

Optical device and method for controlling the same

Medical laser with electronic shutter

Method to drive semiconductor laser diode

Optical pickup apparatus, integrated circuit, and method for controlling laser output of optical pickup apparatus

Polarity independent laser monitor diode current sensing circuit for optical modules

OPTICAL BEAM SPLITTER FOR USE IN AN OPTOELECTRONIC MODULE, AND A METHOD FOR PERFORMING OPTICAL BEAM SPLITTING IN AN OPTOELECTRONIC MODULE

Quantum cascade laser suitable for portable applications

Light source driving device, light source driving method, and image display device

Optical transmission device, optical transmission/reception device, control method, and control program having heating and cooling control functions of a temperature control element

SURFACE-EMITTING LASER DIODE MODULE HAVING IMPROVED FOCUSING PERFORMANCE

Uncooled optical semiconductor device

Optical device, optical scanning apparatus, and image forming apparatus

SEMICONDUCTOR LASER DEVICE AND DRIVING METHOD OF THE SAME

Vertical cavity surface emitting laser with active carrier confinement

Arrangement for producing laser radiation, and laser device comprising such an arrangement

LASER MODULE

METHOD OF FABRICATING A SEMICONDUCTOR DEVICE WITH A BACK ELECTRODE

Laser driver and optical transmitter implementing the same

Dual laser-power-level control and calibration system for burst-mode and continuous-mode transmitter

Semiconductor laser apparatus and optical apparatus

Precise broadband frequency modulated laser

Monolithic power monitor and wavelength detector

Method, circuitry and apparatus for outputting a stable optical signal in a dense wavelength division multiplexing device during fast changes of operating conditions

Low white frequency noise tunable semiconductor laser source

Edge-emitting semiconductor laser

Automatic power control (APC) loop for adjusting the bias current of a laser diode

Systems and methods for measuring power levels in an optical device

SEMICONDUCTOR LASER APPARATUS AND OPTICAL APPARATUS

SEMICONDUCTOR LASER APPARATUS AND OPTICAL APPARATUS

Semiconductor laser apparatus and optical apparatus

Swept frequency laser for FD OCT with intracavity element and method of operation

Light source, and optical coherence tomography module

High-stability light source system and method of manufacturing

OPTICAL MODULE ENCLOSING LEAD FRAME AND SEMICONDUCTOR OPTICAL DEVICE MOUNTED ON THE LEAD FRAME WITH TRANSPARAENT MOLD RESIN

Laser module

Semiconductor laser driver and image forming apparatus incorporating same

Optical beam splitter for use in an optoelectronic module, and a method for performing optical beam splitting in an optoelectronic module

Vent structures for encapsulated components on an SOI-based photonics platform

Opto-electronic alignment system and method

Semiconductor laser module

OPTICAL DEVICE

Semiconductor light-receiving element and optical module

SEMICONDUCTOR LASER APPARATUS AND OPTICAL APPARATUS

SEMICONDUCTOR LASER APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTOR LASER APPARATUS AND OPTICAL APPARATUS

Transmitter photonic integrated circuit (TxPIC) chip

Temperature measurement and control for laser and light-emitting diodes

Method and apparatus for compensating for optical crosstalk in an optical output power feedback monitoring system of a parallel optical transmitter

Driver circuit for tunable LD

LASER LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS

Surface-emitting laser module, optical scanner device, and image forming apparatus

Optical transmission device, laser module, failure detection method for laser module, and failure detection program for laser module

Laser diode drive circuit and image forming apparatus incorporating same

INTEGRATED OPTICAL DEVICE AND OPTICAL PICKUP DEVICE USING THE SAME

Temperature control system for a frequency converted diode laser

Tracking injection seeding power based on back facet monitoring (BFM) of an injection seeded laser

Small packaged tunable laser with beam splitter

LASER MODULE CO-AXIS ADJUSTMENT STRUCTURE

Optical amplification control apparatus

Semiconductor laser device, optical pickup device and semiconductor device

LASER MODULE, CONTROL METHOD OF THE SAME, CONTROL DATA OF THE SAME, AND CONTROL DATA GENERATION METHOD

System to control an optical signal

Gain-clamped semiconductor optical amplifier

Tracking injection seeding power based on back facet monitoring (BFM) of an injection seeded laser

EYE-SAFE LASER-BASED LIGHTING

Optical amplifier, control circuit, and optical amplifier control method

Method and apparatus for reducing the amplitude modulation of optical signals in external cavity lasers

LIGHT SOURCE, LIGHT SOURCE DEVICE, LASER IMAGE FORMING DEVICE AND INTEGRATED CIRCUIT

Device package and methods for the fabrication and testing thereof

Vertical cavity surface emitting laser device with monolithically integrated photodiode

Optical module

Semiconductor laser device

Laser diode drive circuit

Surface emitting laser

Tunable laser source using intracavity laser light outcoupling and module containing the same

Multi-beam laser light-intensity control circuit and optical scanning apparatus including the same

Forward error correction (FEC) enabled photonic integrated circuit (PIC) chips with multiple signal channels

Optical amplifier, control circuit, and method of controlling optical amplifier

Semiconductor laser device having reflecting and emitting surfaces

Methods for obtaining stabilized output beams from frequency converted light sources and frequency converted light sources utilizing the same

Method and apparatus to generate and monitor optical signals and control power levels thereof in a planar lightwave circuit

Quantum cascade laser suitable for portable applications

Semiconductor laser driving device and image forming apparatus having the same

Rapid Alignment Methods For Optical Packages

Power monitoring system for a parallel optical transmitter

OPTICAL TRANSMITTER MODULE AND OPTICAL BI-DIRECTIONAL MODULE WITH FUNCTION TO MONITOR TEMPERATURE INSIDE OF PACKAGE AND METHOD FOR MONITORING TEMPERATURE

Apparatus and method for controlling the optical output power of a laser in an optical transmitter (TX)

Anamorphic optical system providing a highly polarized laser output

Header structure of opto-electronic element and opto-electronic element using the same

Nitride-based semiconductor light-emitting device, nitride-based semiconductor laser device, nitride-based semiconductor light-emitting diode, method of manufacturing the same, and method of forming nitride-based semiconductor layer

Wavelength variable light source system

Piezoelectric actuator, driving device, positioning device and laser module

Wavelength Tunable External Cavity Laser

Self-standing parallel plate beam splitter, method for manufacturing the same, and laser diode package structure using the same

SILICON OPTICAL PACKAGE WITH 45 DEGREE TURNING MIRROR

Monitoring of a laser source with front and rear output photodetectors to determine frontal laser power and power changes over laser lifetime

Surface-emitting external cavity laser device

Optical sensor module including a diode laser and a substrate transparent to radiation emitted by the diode laser and a method for manufacturing an optical sensor module

Light output control device for laser light source

Apparatus and method for stabilizing frequency of laser

Methods for on-line calibrating output power of optical pick-up

Multivariable control system with state feedback

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

Laser apparatus and output control method of laser apparatus

METHOD AND APPARATUS FOR CONTROLLING AND MONITORING LASER POWER IN BARCODE READERS

Laser control method and laser control circuit

Multi-variable control methods for optical packages

Semiconductor laser driving circuit, and optical disc device and integrated circuit provided with semiconductor laser driving circuit

LIGHT-EMITTING MEDICAL DEVICES HAVING PROTECTIONS AGAINST UNINTENDED LIGHT EXPOSURE

SEMICONDUCTOR LASER DRIVING DEVICE, OPTICAL HEAD DEVICE AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE

Multi-level integrated photonic devices

Multi-level integrated photonic devices

Semiconductor Lasers with Improved Temporal, Spectral, and Spatial Stability and Beam Profile Uniformity

Semiconductor laser device

LASER POWER CONTROL ARRANGEMENTS IN ELECTRO-OPTICAL READERS

Laser light source device and manufacturing method for manufacturing laser light source device

Method and device for reducing laser phase noise

Laser emission device and image display device using the same

Light-emitting device having injection-lockable unidirectional semiconductor ring laser monolithically integrated with master laser

Light transmitting apparatus and method for controlling the same

Circuit and method for driving light-emitting element and optical transmitter

System and devices for improving external cavity diode lasers using wavelength and mode sensors and compact optical paths

Light output control apparatus

OPTICAL MODULE

Semiconductor laser device and driving method of the same

LASER LIGHT SOURCE, PLANAR LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY DEVICE

STABILIZED LASER SOURCE WITH VERY HIGH RELATIVE FEEDBACK AND NARROW BANDWIDTH

Laser driving apparatus

Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICs)

Method of production of semiconductor light emission device and method of production of light emission apparatus

Light source, light source device, laser image forming device and integrated circuit

Bi-direction optical module installing light-emitting device and light-receiving device in signal package

OPTICAL DRIVE WITH IMPROVED LASER POWER CONTROL (LPC)

Atomic frequency standard based on enhanced modulation efficiency semiconductor lasers

Driver circuit for semiconductor laser diode driven in differential mode

Optical amplifier apparatus

OPTICAL TRANSMITTER

Laser diode module with an adjustable monitoring current

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

Light source driving apparatus and light source driving method

Monolithic power monitor and wavelength detector

Optical transmission module

Laser turn-on accelerator independent of bias control loop bandwidth

Laser light intensity control device, laser light intensity control method, and image forming apparatus

Control of light emitting and receiving elements of optical module based on property data associated with elements as stored on memory circuit of optical module

Optical transmission assembly

Optical disc drive apparatus with an indirect semiconductor laser containing an asymmetric quantum well structure

Optical communication light source unit and wavelength monitoring control method

Method and apparatus for laser diode compensation

Optical navigator sensor and optical navigator apparatus using the same

Control system and method for optical communication device application

Tunable laser module

Semiconductor laser device

Semiconductor laser drive system and semiconductor laser driving method

Method and apparatus for driving semiconductor lasers, and method and apparatus for deriving drive current patterns for semiconductor lasers

Pulse light source

Optical module

OFFSET COMPENSATION METHOD FOR LASER POWER CONTROL CIRCUIT

Semiconductor laser excitation solid laser device and an image formation device having the same

Small form factor transmitter optical subassembly (TOSA) having functionality for controlling the temperature, and methods of making and using the TOSA

Method of protecting a laser against damage caused by undesired incident light in a resonator

OPTICAL DISK DRIVE AND LASER POWER CONTROL METHOD

Optical bench fiber optic transmitter

Optoelectronic circuit with a photoreceptor and a laser diode, and module comprising the same

OPTICAL TRANSMISSION MODULE AND OPTICAL TRANSMISSION SYSTEM

Linearized Swept Laser Source for Optical Coherence Analysis System

Mode hopping swept frequency laser for FD OCT and method of operation

Optical transmitting module and a method to sense a fluctuation of light emitted from the same

Control circuit for a laser diode and a method to control a laser diode

Optical communication device

METHOD OF CONTROLLING SEMICONDUCTOR LASER

OPTICAL MODULE AND OPTICAL TRANSCEIVER

Securing a transistor outline can within an optical component

Light emitting device and method of fabricating a light emitting device

Quantum cascade laser suitable for portable applications

Light emitting device and manufacturing method thereof

Thermally controlled external cavity tuneable laser

Light-Emitting System Provided with an Integrated Control Photosensor and a Method for Producing Said System

VCSEL, optical device, light irradiation device, data processing device, light source, free space optical communication device, and optical transmission system

Method and apparatus to generate and monitor optical signals and control power levels thereof in a planar lightwave circuit

Method and apparatus for driving semiconductor lasers, and method and apparatus for deriving drive current patterns for semiconductor lasers

Printing with Laser Activation

Laser Picture Formation Device

Exposure device and circuit board for laser controller

COMPACT OPTO-ELECTRONIC DEVICE INCLUDING AT LEAST ONE SURFACE EMITTING LASER

Light source device, monitor device, projector, and driving method for driving light source device

Photoelectric element package with temperature compensation

Optoelectronic device and method of operating optoelectronic device

Monitoring method and VCSEL array with monitoring function

Laser apparatus and output control method of laser apparatus

Optical measurement instrument for living body semiconductor laser installation for living body light measuring device

Surface Emitting Laser

Thermal Printing With Laser Activation

Excessive current input suppressing semiconductor laser light emitting circuit

Method and Apparatus for Prevention of Laser Saturation

Laser driver bias current calibration

Laser and monitoring photodetector with polymer light guide

ANALOG EXTERNAL CAVITY LASER

Bi-directional optical module

OPTICAL TRANSMITTING APPARATUS AND TEMPERATURE CONTROLLING METHOD USED THEREFOR

Surface emitting laser including a metal film having a periodic fine structure

Method and apparatus for controlling output power levels of a laser used for optical data transmission based on data rate-speed optical feedback

Laser array device and laser array control method

PACKAGING STRUCTURE FOR THE HORIZONTAL CAVITY SURFACE EMITTING LASER DIODE WITH MONITOR PHOTODIODE

Optical device and a method of manufacturing an optical device having a photoelectric conversion element and an optical adjustment element

Optical transmitter and optical communications device

Semiconductor optical amplifier device amplifying external light signal and driving apparatus therefor

Pulse oscillating type solid laser unit and laser process unit

Semiconductor light emitting device and method for fabricating same

Semiconductor Laser Device and Method for Manufacturing Same

Driving method for laser light source device, laser light source device, image display device, monitor device, and illumination device

Apparatus and method for controlling optical power and extinction ratio

Laser diode

Method and apparatus for controlling wavelength tuning of optical source for optical communication

Method and system for integrated DWDM transmitters

Laser diode

Semiconductor device and method of fabricating the same

Printing with Laser Activation

Optical transmitter to suppress abrupt increase of driving current for laser diode during unstable APC loop and a method to control the same

Digital optical network architecture

Laser diode driver able to precisely control the driving current

Light-emitting element

Laser light control device for image forming apparatus, and image forming apparatus

Semiconductor laser module, optical amplifier, and method of manufacturing the semiconductor laser module

Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diode

Optical Transmitter

Driving device and method

Light-emitting device driving gear

Semiconductor laser device

Semiconductor laser drive apparatus, optical write apparatus, imaging apparatus, and semiconductor laser drive method

Semiconductor optical device and optical transmission module

Laser scanning device and image forming device including the laser scanning device

Optical pickup device

Method of fabricating a semiconductor device with a back electrode

Optical transmitter with a shunt driving configuration and a load transistor operated in common gate mode

Electronic component, laser device, optical writing device and image forming apparatus

Laser device, control device of laser device, method of controlling laser device, method of tuning wavelength of laser device and control data of laser device

Semiconductor light-emitting device

Optical unit, optical pickup apparatus and optical information-processing apparatus

Automatic power control circuits and methods

High-temperature operation of vertical cavity surface emitting lasers

Wavelength control of an external-cavity tuneable laser

Laser module and method of controlling wavelength of external cavity laser

SEMICONDUCTOR LASER DEVICE

OPTICAL APPARATUS AND IMAGE FORMING APPARATUS

Semiconductor element mounting board and optical transmission module

Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip

Optical pickup device, semiconductor laser device and housing usable for the optical pickup device, and method of manufacturing semiconductor laser device

Monolithic transmitter photonic integrated circuit (TxPIC) with integrated optical components in circuit signal channels

Transmitter photonic integrated circuits (TXPICS) with directly modulated lasers and wavelength selective combiners

Semiconductor Laser Module and Method for Controlling the Same

Photo coupler

Light-emitting module installing thermo-electric controller