Light Source, Method for Controlling Light Source, and Method for Replacing Light Source

Laser power control unit and method for performing auto power control

Electronic component and electronic component module

Recording or Playback Apparatus for Optical Recording Media with a Laser Diode Circuit

Laser assembly with integrated photodiode

Phase-control in an external-cavity tuneable laser

LASER ELEMENT DRIVING APPARATUS

Optical disc apparatus and method for performing optical power study thereof

Monolithic photonic integrated circuit (PIC) with forward error correction (FEC)

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

Optical module and optical communication device

Device package and methods for the fabrication and testing thereof

Laser diode controller and method for controlling laser diode by automatic power control circuit

Optical assembly comprising multiple semiconductor optical devices and an active cooling device

WIDE-BAND TUNABLE LASER

Semiconductor light emitting device

Laser power control arrangements in electro-optical readers

Fault sensor for a laser driver circuit

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

Controlling optical power and extincation ratio of a semiconductor laser

Automatic control of laser diode current and optical power output

Light-emitting element driver

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

Dual current control for laser diode driver circuit

Semiconductor light source module

Compact laser output monitoring using reflection and diffraction

Driver for an optical transmitter

Wavelength tunable optical transmitter and optical transceiver

Device package and methods for the fabrication and testing thereof

Laser turn-on accelerator independent of bias control loop bandwidth

Method and system for noise control in semiconductor spectroscopy system

Extended optical bandwidth semiconductor source

Wafer testing of edge emitting lasers

Device package and methods for the fabrication and testing thereof

Light source drive, optical information recording apparatus, and optical information recording method

Driving circuit and driving method for laser light source

Method and radiation source driving device for controlling radiation power

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

METHOD AND CONTROL SYSTEM FOR OUTPUT POWER CONTROL THROUGH DYNAMICALLY ADJUSTING RELATIONSHIP BETWEEN OUTPUT POWER AND CONTROL VALUE

Optical transmitter

Integrated monitoring and feedback designs for external cavity tunable lasers

Structure of laser

Optical wavelength converter and image forming apparatus using the same

Apparatus and method for driving laser diodes

Power control apparatus for a laser module and a method thereof

Laser control circuit

Structure of laser and method of manufacturing the same

Optical apparatus

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

Laser level with selectable constant or pulsed beam output

Integrated photonic devices

Apparatus and method of controlling emission of laser beam

Silicon optical package with 45 degree turning mirror

Suppression of fiber-induced noise caused by narrow linewidth lasers

Structure of laser diode and method of manufacturing the same

System for adjusting optical characteristics and method thereof

Optical module and method for manufacturing same

Semiconductor Lasers in Optical Phase-Locked Loops

Semiconductor laser device, optical disk apparatus and optical integrated unit

Characterization and non-invasive correction of operational control currents of a tuneable laser

Laser heater controller

Light receiving circuit, semiconductor laser device, and optical pickup device

On-chip lenses for diverting vertical cavity surface emitting laser beams

Laser drive device, laser light emitting device and laser driving method

Laser module, control method of the same, control data of the same, and control data generation method

Bias control of SOA via switches

Thermoelectric conversion module and electronic device

Coherent light source and control method thereof, and display unit and laser display using them

Semiconductor laser module and a method for manufacturing the same

Voltage dividing apparatus for preventing sudden increases in power to a laser diode

Methods, apparatus, and systems with semiconductor laser packaging for high modulation bandwidth

Method and device for determining an activation threshold

Thin laser module

Variable-wavelength semiconductor laser and gas sensor using same

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

Systems and methods for automatic power control of laser diodes

Method and apparatus for automatically controlling output of laser diode

Wavelength monitoring and stabilization in wavelength division multiplexed systems

Optical module having case grounding using bypass capacitor

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

Coaxial cooled laser modules with integrated thermal electric cooler and optical components

Communication module

Optical transmitter capable of prompt shutting down and recovering optical output thereof

HIGH SPEED OPTICAL SUB-ASSEMBLY WITH CERAMIC CARRIER

Optical transmitting module operable in wide temperature range

Laser diode drive circuit and amplifying circuit for optical disc recording and/or reproducing apparatus

Erbium-doped fiber amplifier and integrated module components

Laser drive, optical disc apparatus, and laser-driving method

Laser temperature performance compensation

Apparatus for controlling laser output

Temperature compensating method of laser power in optical disk storage apparatus

Optical module and method for monitoring and controlling wavelengths

Planar waveguides with air thin films used as anti-reflective layers, beam splitters and mirrors

Method of controlling output of laser diode and output control device of laser diode having function of charging control parameter

Semi-integrated designs with in-waveguide mirrors for external cavity tunable lasers

Apparatus for driving light emitting element and system for driving light emitting element

Semiconductor laser, manufacturing the same and semiconductor laser device

Method for compensation of degradation in tunable lasers

Optical element, optical module, and optical transmission device

Semiconductor laser apparatus

Optical transmitter having analog/digital mixed-mode temperature compensation function

Dual loop automatic power control for laser driver

Method and apparatus for compensating for temperature characteristics of laser diode in optical communication system

Laser diode module with a built-in high-frequency modulation IC

Driver circuit with automatic offset compensation of an amplifier and method for offset compensation of an amplifier of a driver circuit

External cavity laser having improved single mode operation

Optical transmitter

Laser optics integrated control system and method of operation

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

Laser driver controller for safe operation of laser diode-based optical transmitters

Semiconductor laser driving device, semiconductor laser driving method, and image forming apparatus using semiconductor laser driving device

Securing a transistor outline can within an optical component

Laser pulse position monitor for scanned laser eye surgery systems

Disk recording and reproducing apparatus

Optical module hermetically packaged in micro-machined structures

External cavity type tunable laser source

Calibration methods for tunable lasers

Optical transport network

Cooling device for radiation sources provided during production of a printing form

Method and system for noise control in semiconductor spectroscopy system

Monolithic photonic integrated circuit (PIC) CHIP

Tunable laser source

Laser package with digital electronic interface

Self-monitoring light emitting apparatus

Fault detection in a LED bias circuit

Light output control circuit

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

Semiconductor laser device

Optoelectronic arrangement and a method for controlling the output power of a transmission component

Light source drive, optical information recording apparatus, and optical information recording method

Semiconductor device

Optical transmitter

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

Optical transmitter and method for transmitting optical signal

Low-noise high-power SHG laser system

Laser power controller and method for performing auto power control

Analog external cavity laser

Erbium-doped fiber amplifier and integrated circuit module components

FEC enhanced system for an optical communication network

Bidirectional emitting and receiving module

Control of spectral content of a laser diode light source

Optical module having a reflector element and method of manufacturing the same

Control circuitry in optoelectronic modules for laser crossing point adjustment

Semiconductor laser module improved in high frequency response

High speed laser array driver

System and method for controlling optical sources, such as laser diodes, and computer program product therefor

Light emitting element driving circuit, communication device and light emitting element driving method

Integrated optics and electronics

Nitride semiconductor laser device

Optical module and optical transmission apparatus

High speed optoelectronic subassembly and package for optical devices

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

Method and system for controlling laser diodes in optical communications systems

Optical duplexer and optical triplexer

Semiconductor laser module and optical transmission apparatus using the semiconductor laser module

Wavelength determining apparatus, wavelength determining method, semiconductor laser controlling apparatus, and semiconductor laser controlling method

Light emitting device

Laser driver circuit

Multi-level integrated photonic devices

Semiconductor light emitting device and semiconductor light emitting apparatus

Wavelength tunable laser source with parameter correction

Optical coupler type filter and wavelength stabilizing apparatus of light source using the same

Automatic laser power control method and apparatus for an optical recording system

Optical amplifier apparatus

Analog transmitter using an external cavity laser (ECL)

Semiconductor package and method for manufacturing the same

Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)

Optical system laser driver with a built in output inductor for improved frequency response

Temperature compensation for fiber optic transceivers using optimized convergence algorithms

Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network

Laser driving circuit

Photoelectric conversion module with cooling function

Optical transport network

High-speed TO-can optoelectronic packages

Intrinsically safe pick-up for reproduction or recording devices for different optical recording media

Transmitting optical subassembly capable of monitoring the front beam of the semiconductor laser diode

Calibration of laser systems

High speed optical subassembly with ceramic carrier

Optical transmission module for use in high-speed optical fiber communication

Optoelectronic arrangement

Semiconductor optical device integrated with a photo detector

Lens with reflective surface

Optical signal transmitting device

Integrated photonic devices

Method of assembling light-emitting apparatus

Gain-clamped optical amplifier

Vertical cavity surface emitting laser module

Method of providing wider window margin in an eye diagram of a received signal in a transmission system

Optical receiver photonic integrated circuit (RxPIC) system

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)

High power driver system

Optoelectronic arrangement having at least one laser component, and a method for operating a laser component

Excessive current input suppressing semiconductor laser light emitting circuit

Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification

Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)

Laser turn-on accelerator independent of bias control loop bandwidth

Soft metal heat transfer for transceivers

Method of aligning an optical fiber, method of manufacturing a semiconductor laser module, and semiconductor laser module

Semiconductor optical devices and optical modules

Laser diode and manufacturing method thereof

Surface emitting and receiving photonic device with lens

Laser diode driver circuit and optical communication device

Laser module

Optical head with lasers and mirrors in a recess formed in a substrate

Offset calibration system and method of automatic power control loop

Device package and methods for the fabrication and testing thereof

Photoelectric conversion module and optical transceiver using the same

Device package and method for the fabrication and testing thereof

Photodiode array and method for establishing a link between a first semiconductor element and a second semiconductor element

TO-can type optical module

Laser driver for optical communication network

Driver circuit for a semiconductor laser diode with a short time constant of the feedback loop

Laser diode device with an APC inside the cap

Laser diode arrangement with external resonator

Laser diode arrangement with external resonator

Monolithic transmitter/receiver photonic integrated circuit (Tx/RxPIC) transceiver chip

Probe card for testing in-wafer photonic integrated circuits (PICs) and method of use

Method of calibrating a monolithic transmitter photonic integrated circuit (TXPIC) chip

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

Compact front facet tap for laser device

Optical transmitter, optical receiver, optical communication system, and optical transmitter and receiver

Method for manufacturing encapsulated opto-electronic devices and encapsulated device thus obtained

Optoelectronic components with multi-layer feedthrough structure

Method of determining the time for executing optimal power calibration in an optical drive

Optical apparatus with loss compensation capability and optical amplifier for loss compensation

Optical module, and optical transmission device

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

Optical bench for mounting optical element and manufacturing method thereof

Surface emitting and receiving photonic device

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

Semiconductor apparatus configured with a lead frame having sufficient strenght to protect against external forces

Semiconductor laser device

Method and apparatus for controlling power of laser diodes

Light emitting device

Semiconductor laser

Drive device for a light-emitting component

Method and apparatus for wavelength division multiplexing

Optical module

Method and apparatus for providing an antireflection coating on the output facet of a photonic integrated circuit (PIC) chip

Integrated optics and electronics

Light stabilization for an optically excitable atomic medium

Optoelectronic device packaging with hermetically sealed cavity and integrated optical element

Raman excitation control method and optical transmission system using the same

Surface emitting dfb laser structures for broadband communication systems and array of same

Signal transmission line for an optical modulator

Optical transmitting module having a de-coupling inductor therein

Can-type optical transmitting module utilizing a laser diode with impedance matching resistors

Laser diode module

System for monitoring optical output/wavelength

Long wavelength vertical cavity surface emitting laser with integrated photodetector

Automatic control device for laser power

High spectral fidelity laser source with low FM-to-AM conversion and narrowband tunability

Stability factors for tuneable multi-section semiconductor lasers

High-speed laser array driver

Laser diode driving circuit and laser diode controlling apparatus including the laser diode driving circuit

Semiconductor integrated apparatus

Submount for a photonic integrated circuit (PIC) chip

Clock recovery based on VLSOA power monitoring

To can laser package with front monitoring photodetector and turning mirror

Wavelength stabilizing apparatus and control method

Method of operating an array of laser sources integrated in a monolithic chip or in a photonic integrated circuit (PIC)

Apparatus and method for tuning a laser source emission wavelength employing a laser source contact comprising electrode segments

Optical probe and method of testing employing an interrogation beam or optical pickup

Semiconductor laser module having a co-axial package and transmission lines for complementary driving signal

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

Method of tuning integrated laser sources with integrated wavelength tuning elements on the same substrate or in a monolithic photonic integrated circuit (PIC)

Method of tuning optical components integrated on a monolithic chip

Optical midpoint power control and extinction ratio control of a semiconductor laser

Optical module including a Peltier device therein and having a co-axial type package

Laser driver circuit with reduced noise and optical pickup circuit for use with the same

Drive device for a light-emitting component

Laser power monitor

Wavelength-selectable free-space optical communication

Compact laser source with frequency modulators generating multiple lines

Integrated high-power tunable laser with adjustable outputs

Methods and systems for reducing size weight and power (SWaP) in high energy laser systems

Laser power control system for laser diode using dual close loops

Integrated high-power tunable laser with adjustable outputs

Laser power calibration and correction

Semiconductor optical amplifier with asymmetric Mach-Zehnder interferometers

Control of VCSEL-based optical communications system

Cavity stabilized laser drift compensation

Semiconductor optical amplifier with asymmetric mach-zehnder interferometers

Setting laser current based on modulation level of an optical power sensor measurement

Semiconductor optical amplifier with gain flattening filter

Small form factor transmitting device

Calibration of external-cavity tunable lasers

System and method for generating and utilizing sample trigger blanking to obviate spurious data and increase sweep rate in an akinetic path-based swept laser