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US20090268761 Method for mode control in multimode semiconductor waveguide lasers  
One embodiment is a wide stripe semiconductor waveguide, which is cleaved at a Talbot length thereof, the wide stripe semiconductor waveguide having facets with mirror coatings. A system provides...
US20060092994 High-power amplified spectrally combined mode-locked laser  
An amplified commonly mode-locked and/or Q-switched external cavity laser device with a plurality of gain elements and a plurality of amplifying elements is described. The device produces...
US20060165145 Diode-pumped ~812 nm thulium-doped solid state laser  
A diode-end-pumped ˜812 nm thulium doped solid state laser is disclosed, with improved efficiency and practicality. The inventive laser device include laser active media comprising a thulium doped...
US20120195330 METHODS AND SYSTEMS FOR FIBER DELIVERY OF HIGH PEAK POWER OPTICAL PULSES  
Methods and systems for delivery of high peak power optical pulses through optical fiber are disclosed. Raman soliton generation is utilized to maintain the properties of the pulses in the...
US20070047597 Pulse picking and cleaning in short pulse high energy fiber laser system  
A Chirped pulse amplification (CPA) fiber laser system. The CPA fiber laser system includes a fiber mode-locking oscillator for generating a laser to project to a pulse stretcher for stretching a...
US20070091942 Laser diode generating passive mode and method of creating optical pulse using the same diode  
Provided are a laser diode generating passive mode locking that does not contain non-linear sector of an SA, and a method of creating an optical pulse using the same diode. The laser diode...
US20060227818 Fundamental-frequency monolithic mode-locked laser including multiple gain absorber pairs  
A monolithic mode-locked diode laser with improved uniformity of light distribution along the cavity. The laser includes a multiple gain section with more than one gain subsection where the length...
US20080043784 OPTICAL SYNCHRONIZATION SYSTEM FOR FEMTOSECOND X-RAY SOURCES  
Femtosecond pump/probe experiments using short X-Ray and optical pulses require precise synchronization between 100 meter-10 km separated lasers in a various experiments. For stabilization in the...
US20060092995 High-power mode-locked laser system  
A multi-wavelength, commonly mode-locked external cavity laser system includes a solid state gain element generating a collinearly propagating multi-wavelength optical beam, a diffracting element...
US20100098113 Selective deposition of carbon nanotubes on optical fibers  
The specification describes a method for selectively depositing carbon nanotubes on the end face of an optical fiber. The end face of the optical fiber is exposed to a dispersion of carbon...
US20120230353 OPTICAL PULSE SOURCE WITH INCREASED PEAK POWER  
In at least one embodiment time separated pulse pairs are generated, followed by amplification to increase the available peak and/or average power. The pulses are characterized by a time...
US20060222024 Mode-locked semiconductor lasers with quantum-confined active region  
A mode-locked integrated semiconductor laser has a gain section and an absorption section that are based on quantum-confined active regions. The optical mode(s) in each section can be modeled as...
US20100034222 LASER SOURCE FOR LIDAR APPLICATION  
The invention relates to a source comprising a self-adaptive main laser cavity comprising at least one main amplifying medium in a main direction and several mirrors making it possible to create a...
US20150030040 NORMAL DISPERSION FREQUENCY COMB  
Normal group velocity dispersion mode-locked optical frequency combs are provided on-chip. On-chip coherent frequency comb generation includes pulses showing temporal durations of about 74 fs....
US20080279228 Optically Pumped Alkali Laser and Amplifier Using Helium-3 Buffer Gas  
In one embodiment, a laser oscillator is provided comprising an optical cavity, the optical cavity including a gain medium including an alkali vapor and a buffer gas, the buffer gas including 3He...
US20050163170 Method for organizing a mode-locked pulse train by pump modulation  
The present invention describes a method to achieve stabilization of the repetition rate in a passive harmonic mode-locked fiber laser employing semiconductor saturable absorbers. The pulse...
US20140371730 Picosecond Optical Radiation Systems and Methods of Use  
Methods, systems and apparatus are disclosed for delivery of pulsed treatment radiation by employing a pump radiation source generating picosecond pulses at a first wavelength, and a...
US20140321484 Picosecond Optical Radiation Systems and Methods of Use  
Methods, systems and apparatus are disclosed for delivery of pulsed treatment radiation by employing a pump radiation source generating picosecond pulses at a first wavelength, and a...
US20090285249 HIGH POWER FIBER CHIRPED PULSE AMPLIFICATION SYSTEM UTILIZING TELECOM-TYPE COMPONENTS  
A chirped pulse amplifier (CPA) system having a mode-locked laser and a high-speed pulse selector, wherein the pulse selector modulates output pulses based upon an applied modulation voltage. A...
US20080137694 SELF-PULSATING LASER DIODE  
Provided is a self-pulsating laser diode including: a distributed feedback (DFB) section serving as a reflector; a gain section connected to the DFB section and having an as-cleaved facet at one...
US20070047595 Spectrum broadening and recompression in high-energy fiber laser system  
A fiber Chirped Pulse Amplification (CPA) laser system includes a fiber mode-locking oscillator for generating a laser for projecting to a fiber stretcher for stretching a pulse width of the...
US20100034223 Light-emitting device having injection-lockable semiconductor ring laser monolithically integrated with master laser  
A semiconductor ring laser (SRL) section is monolithically integrated with a DFB or DBR master laser section on a semiconductor substrate of a light-emitting device to provide an injection locking...
US20090225795 OPTICAL FREQUENCY SYNTHESIZER AND OPTICAL FREQUENCY SYNTHESIZING METHOD USING FEMTOSECOND LASER OPTICAL INJECTION LOCKING  
The present invention relates to an optical frequency synthesizer and an optical frequency synthesizing method using femtosecond laser optical injection locking, which inject a femtosecond laser...
US20090296751 ELECTRONICALLY PHASE-LOCKED LASER SYSTEMS  
Semiconductor diode lasers are phase-locked by direct current injection and combined to form a single coherent output beam. The optical power is amplified by use of fiber amplifiers....
US20050226278 High power short pulse fiber laser  
A pulsed laser comprises an oscillator and amplifier. An attenuator and/or pre-compressor may be disposed between the oscillator and amplifier to improve performance and possibly the quality of...
US20070223540 PULSED LASER  
The invention concerning a pulsed laser is provided and includes an optical resonator being defined by at least two reflective elements, and the optical resonator defining a laser radiation beam...
US20050232314 External oscillation type mode-locking semiconductor laser  
An external-cavity mode-locked semiconductor laser includes: a semiconductor laser device including a gain region and a saturable absorption region; a reflecting mirror; and a modulation bias...
US20100118375 Tunable Single Sideband Modulators Based On Electro-Optic Optical Whispering Gallery Mode Resonators and Their Applications  
Photonic devices and techniques based on tunable single sideband (SSB) modulation in whispering gallery mode resonators formed of electro-optic materials to effectuate coupling between whispering...
US20090237661 LASER DEVICE AND MICROSCOPE  
A laser device is equipped with an exciting optical system having a GaN semiconductor laser and a condensing lens; and a resonator having of a dichroic mirror and an output mirror, and a solid...
US20090284828 Optical Comb Frequency Source  
This invention relates to methods and apparatus for generating an optical frequency comb. In embodiments a passive mode locked optical waveguide comb uses electrical or optical tuning for the mode...
US20140036939 MODULAR, HIGH ENERGY, WIDELY-TUNABLE ULTRAFAST FIBER SOURCE  
A modular, compact and widely tunable laser system for the efficient generation of high peak and high average power ultrashort pulses. Peak power handling capability of fiber amplifiers is...
US20110310914 Mode-Locking with Reduced Nonlinearity Using Gain-Matched Output Couplers  
A laser cavity includes a gain medium for amplifying a light pulse in a light path, wherein the gain medium has a gain profile for amplifying the light pulse as a function of wavelength; at least...
US20070153845 WIDE-BAND TUNABLE LASER  
A tunable laser module having two or more tunable lasers exhibiting different, possibly contiguous or partially overlapping wavelength regions. The lasers are integrated into a single package,...
US20070133632 Wide-bandwidth mode-locked laser  
A mode-locked laser that has an optical cavity containing multiple optical amplifiers, each dedicated to a respective spectral portion of an optical signal generated by the laser, wherein the...
US20110157671 Wave-Plate Structures, Power Selective Optical Filter Devices, and Optical Systems Using Same  
In an embodiment, an optical filter device includes an input polarizer for selectively transmitting an input signal. The device includes a wave-plate structure positioned to receive the input...
US20070041409 Injection locked high power laser systems  
A high power laser system comprising: a master laser; and a primary slave laser oscillator including a cavity comprising a rare earth doped fiber, said primary slave laser oscillator being...
US20050008044 Mode-locked multi-mode fiber laser pulse source  
A laser utilizes a cavity design which allows the stable generation of high peak power pulses from mode-locked multi-mode fiber lasers, greatly extending the peak power limits of conventional...
US20080298401 Device and Method for Creating a Spatial Dose Distribution in a Medium Volume  
A device and a method for creating a spatial dose distribution in a medium volume (22) are described. A laser system produces laser pulses (12) with a pulse length shorter than 200 fs...
US20090316123 INJECTION-LOCKED LASER, INTERFEROMETER, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD  
An injection-locked laser is disclosed. The injection-locked laser comprises a seed laser, an oscillator into which a certain component of light output from the seed laser is injected as seed...
US20140376576 HIGH-FIDELITY, HIGH-ENERGY ULTRASHORT PULSES FROM A NET NORMAL-DISPERSION YB-FIBER LASER WITH AN ANOMALOUS DISPERSION HIGHER-ORDER-MODE FIBER  
Embodiments of the present invention generally relate to high energy, ultrashort pulses from a net normal dispersion ytterbium fiber laser with an anomalous dispersion higher-order mode fiber....
US20100038558 MODE-LOCKED LASER DEVICE, PULSED LASER LIGHT SOURCE DEVICE, MICROSCOPE DEVICE  
There is provided a mode-locked laser including: a resonator having a pair of resonance mirrors; a solid-state laser medium, disposed in the resonator and outputting oscillating light due to...
US20120133931 FREQUENCY COMB SOURCE WITH LARGE COMB SPACING  
A frequency comb laser providing large comb spacing is disclosed. At least one embodiment includes a mode locked waveguide laser system. The mode locked waveguide laser includes a laser cavity...
US20060245456 Systems and methods for generating high repetition rate ultra-short optical pulses  
Systems, methods, circuits and/or devices for generating high repetition rate ultra-short pulses are described. As one of many examples, an optical pulse generating laser system is described that...
US20090086771 NEGATIVE DISPERSION MIRROR AND MODE-LOCKED SOLID-STATE LASER APPARATUS INCLUDING THE MIRROR  
In a mirror including a substrate and a dielectric multilayer coating structure formed on the substrate, the multilayer coating structure includes two mirror-function layer portions, each formed...
US20070047596 Photonic band-gap fiber based mode locked fiber laser at one micron  
A fiber laser cavity that includes a laser gain medium for receiving an optical input projection from a laser pump. The fiber laser cavity further includes a positive dispersion fiber segment and...
US20120275477 SUPPRESSION OF COHERENCE EFFECTS IN FIBER LASERS  
The present invention provides, in at least one embodiment, a scheme which is effective in suppressing detrimental coherence effects such as random backscatter. In a fiber laser having a master...
US20100329287 METHOD AND DEVICE FOR STABILIZING THE SPECTRUM OF A PULSED COHERENT OPTICAL SOURCE  
The invention relates to a method for stabilizing the spectrum of a pulsed coherent optical source that comprises controlling the offset frequency ω0 and the repetition rate ωr in order to...
US20080144676 Passively modelocked figure eight fiber laser  
A passively mode-locked, figure-eight laser is formed of all normal dispersion fiber, eliminating the need for using anomalous dispersion fiber. The fiber is selected to be polarization...
US20140219296 COMPACT COHERENT HIGH BRIGHTNESS LIGHT SOURCE FOR THE MID-IR AND FAR IR  
Compact laser systems are disclosed which include ultrafast laser sources in combination with nonlinear crystals or waveguides. In some implementations fiber based mid-IR sources producing very...
US20050220154 Broadband mode-locked laser oscillator and oscillation method thereof  
A laser oscillator to further shorten a pulse width is provided by enabling broadband mode-locking even while using a laser medium having a precipitous fluorescence peak. A resonator has two...

Matches 1 - 50 out of 167 1 2 3 4 >