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Match Document Document Title
8184361 Integrated spectral and all-fiber coherent beam combination  
A fiber laser amplifier system including a plurality of master oscillators each generating a signal beam at a different wavelength. A splitter is provided for each master oscillator that splits the...
8179932 Pulse laser apparatus, terahertz measuring apparatus, and terahertz tomographic apparatus  
A pulse laser apparatus includes a laser configured to generate a pulse of a laser beam, a fiber amplifier, and a pulse compressor. The fiber amplifier includes a rare-earth doped fiber that...
8179929 Apparatus and method for side mode suppression in slave-master laser by single mode fiber amplifier  
A laser system for effective injection seeding is configured with a master oscillator lasing a narrowband seed radiation which is characterized by a single longitudinal master mode injected into a...
8174758 Optical amplifier  
An optical amplifier for amplifying light includes a light source for emitting pump light in accordance with current amount; a rare earth element doped optical fiber doped rare earth element, the...
8174759 Apparatus for gain control in optical amplifiers  
The invention relates to an apparatus for dynamically controlling the gain of an optically pumped optical amplifier, and the optical amplifier including such apparatus, which utilizes a multiplying...
8174757 Wavelength determining apparatus, method and program for thin film thickness monitoring light  
A multi-layer optical thin film filter comprising plural deposited optical thin films, wherein optical thin film thickness for each of said optical thin films has a predetermined wavelength...
8170071 Laser apparatus  
Provided is a laser apparatus including: a DFB fiber laser 40 including, as an amplitude medium, a rare earth doped silica optical fiber codoped with a high concentration of aluminum; an optical...
8159737 Controlling the phase of optical carriers  
A system and method for locking the relative phase of multiple coherent optical signals, which compensates for optical phase changes induced by vibration or thermal changes in the environment.
8159742 Glass large-core optical fibers  
Embodiments of optical fiber may include cladding features that include a material (e.g., fluorine-doped silica glass) that may produce a very low relative refractive index difference with respect...
8154793 Nonlinear chirped pulse fiber amplifier with pulse compression  
A chirped-pulse fiber amplification method and system operates with large nonlinear phase shifts (as large as ˜20π or more). In this regime, the pulse spectrum is modified by strong self-phase m...
8149502 Cladding-pumped evanescent gain optical fiber  
A cladding-pumped gain optical fiber is provided. The cladding-pumped gain optical fiber includes a core transmitting a signal light; a first cladding covering the core and having an optical-gain...
8130802 Tunable laser  
A tunable laser includes an optical gain medium, a first resonator, a periodically tunable optical filter, and a second resonator in which light of a laser wavelength exhibits a round trip time T....
8125704 Systems and methods for controlling a pulsed laser by combining laser signals  
An ultra-short pulsed laser system comprises an optical combiner, optical amplifier, optical pulse compressor, and optical separator. The optical combiner is configured to combine a primary optical...
8125705 Processing method for suppressing photodarkening in Yb-doped optical fibers, photodarkening-suppressed Yb-doped optical fiber, and fiber laser  
A processing method for suppressing photodarkening in an Yb-doped optical fiber, comprising: a first step of preparing the Yb-doped optical fiber by doping a core with Yb, and irradiating at least...
8107161 Chirped pulse fiber amplifier  
A short-pulse fiber amplifier system (10) is designed so that nonlinear phase shifts and third-order dispersion are purposely introduced that compensate each other. In particular, the nonlinear...
8102594 Methods and systems for compensation of self-phase modulation in fiber-based amplification systems  
Methods and systems for compensation of Self-Phase Modulation 35 in fiber-based amplifier systems 20.
8098424 Optical fiber amplifying module  
The present invention relates to an optical fiber amplifying module equipped with a structure for stably attaining a high gain even when amplifying light having a low duty cycle. The optical fiber...
8094370 Cladding pumped fibre laser with a high degree of pump isolation  
An optical fibre laser or amplifier device is disclosed, comprising: a rare-earth-doped multi-clad optical fibre having at least three cladding layers, one or more multimode pump laser diodes, and...
8094984 Semiconductor constructions, methods of forming semiconductor constructions, light-conducting conduits, and optical signal propagation assemblies  
The invention includes optical signal conduits having rare earth elements incorporated therein. The optical signal conduits can, for example, contain rare earth elements incorporated within a...
8094986 Double clad fiber and fiber end processing method, and fiber-combiner connecting structure including the same  
A double clad fiber includes a core, a first cladding provided so as to cover the core, and a second cladding provided so as to cover the first cladding. The second cladding has a plurality of...
8089689 Apparatus and method for optical gain fiber having segments of differing core sizes  
Apparatus and method for amplifying laser signals using segments of fibers of differing core diameters and/or differing cladding diameters to suppress amplified spontaneous emission and non-linear...
8085464 Multi-clad optical fibre amplifier with optimized pumping  
An optical amplifier for amplifying an optical signal (1002), the optical amplifier comprising: an optical fibre, the optical fibre including a doped core, an inner cladding extending substantially...
8073019 810 nm ultra-short pulsed fiber laser  
Methods and systems for generating ultra-short fiber laser pulses are disclosed, including generating a signal laser pulse from a seed fiber laser; using a pulse stretcher comprising an input and...
8059334 Optical fiber amplifier system and method  
An optical fiber amplifier system is described and comprises a first optical fiber having a doped core with a first gain spectral profile upon being pumped. The first optical fiber is adapted to...
8054537 Light source apparatus  
The present invention relates to a light source apparatus that has a base structure capable of generating SC light and further having a structure that enables the shaping of the spectral waveform...
8045259 Active optical fibers with wavelength-selective filtering mechanism, method of production and their use  
The invention relates to optical fibers for use in optical amplification of light, such as in optical fiber amplifiers and lasers and for use in delivery of high power light, in particular to a...
8035891 Photonic bandgap fiber  
A photonic bandgap fiber includes a core and a cladding that surrounds the core. In this photonic bandgap fiber, high refractive index portions which have a refractive index higher than that of a...
8023538 Ultra-high power parametric amplifier system at high repetition rates  
Embodiments of parametric chirped pulse amplifiers seeded with a single pulse source which is subsequently split into a signal arm and a pump arm with appropriate signal and pump conditioning...
8018936 Inter-fabric routing  
A method and apparatus is shown for communicating Fibre Channel frames between distinct fabrics. A proxy zone is established in each fabric with a physically present local device and a remote...
8009937 Charge-based memory cell for optical resonator tuning  
An optical resonator configured to be tuned using a charge-based memory cell includes an optical cavity configured to transmit light and receive injected charge carriers; a charge-based memory cell...
8008600 Fiber laser apparatus  
The fiber laser apparatus comprises an amplifying section for amplifying seed light by cladding-pumping, and has a structure for further using a residual component of pumping light for...
7995270 Microchip—Yb fiber hybrid optical amplifier for micro-machining and marking  
The invention describes techniques for the control of the spatial as well as spectral beam quality of multi-mode fiber amplification of high peak power pulses as well as using such a configuration...
7982943 Light source apparatus  
The present invention relates to a light source apparatus that has a base structure capable of generating SC light and further having a structure that enables the shaping of the spectral waveform...
7982945 Optical amplification module and laser light source designed to suppress photodarkening  
The present invention relates to an optical amplification module having a construction which effectively suppresses photodarkening, and to a laser light source including the same. The laser light...
7970248 Photonic bandgap fibers  
Included among the many structures described herein are photonic bandgap fibers designed to provide a desired dispersion spectrum. Additionally, designs for achieving wide transmission bands and...
7965916 Laser light source device, image display and illuminator  
There is a problem that in the connection portion between a rare-earth-doped double clad fiber and a single mode fiber, pumping light leaks in a portion having the coating, and the fiber generates...
7953130 Pulse laser apparatus, terahertz measuring apparatus, and terahertz tomographic apparatus  
A pulse laser apparatus includes a laser configured to generate a pulse of a laser beam, a fiber amplifier, and a pulse compressor. The fiber amplifier includes a rare-earth doped fiber that...
7949021 Light source apparatus  
The present invention relates to a light source apparatus having a structure to enable a short pulse optical output with high pulse energy or a high pulse peak equivalent to that of a Q switch...
7944954 Laser apparatus with all optical-fiber  
A laser apparatus with all optical-fiber includes a plurality of pumping light sources in different wave bands and an optical-fiber laser system. The optical-fiber laser system includes an optical...
7940453 Fiber amplifiers and fiber lasers with reduced out-of-band gain  
A method of operating a fiber amplifier characterized by a spectral gain curve includes providing an input signal at a signal wavelength. The signal wavelength lies within an in-band portion of the...
7924500 Micro-structured fiber profiles for mitigation of bend-loss and/or mode distortion in LMA fiber amplifiers, including dual-core embodiments  
An apparatus and method for compensating for mode-profile distortions caused by bending optical fibers having large mode areas. In various embodiments, the invention micro-structures the index of...
7925132 Nonlinear optical fiber, nonlinear optical device, and optical signal processing apparatus  
A core includes a center core region, a core layer that is formed around the center core region and that has a refractive index lower than that of the center core region, and at least one buffer...
7925128 Pumping in a higher-order mode that is different from a signal mode  
The present disclosure provides an approach to more efficiently amplify signals by matching either the gain materials or the pump profile with the signal profile for a higher-order mode (HOM)...
7907334 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...
7903326 Static phase mask for high-order spectral phase control in a hybrid chirped pulse amplifier system  
A chirped pulse amplification (CPA) system comprises an optical pulse stretcher and an optical pulse compressor that are mismatched in that the optical pulse compressor includes a bulk optical...
7903695 Optical fiber laser and exciting method using same  
An optical fiber laser, according to the present invention, has an optical fiber including a core to which a rare earth element is added and a clad disposed around the core, and also has an...
7903696 High-power narrowed-linewidth fiber laser system  
A high-power narrow-linewidth fiber laser system includes a seed oscillator with multiple resonant cavities and an amplifier stage. The seed oscillator includes a gain fiber, a pump source to...
7898733 Laser oscillator  
A laser oscillator includes a ring resonator. The ring resonator includes an optical circulator having first, second, third, and fourth ports and a first optical amplification fiber connected to...
7898731 Fiber optical parametric oscillator with high power and bandwidth  
The present invention provides methods, systems, and apparatus of improved fiber-based optical parametric oscillators (FOPOs). These oscillators can be used in the creation of short pulsed laser...
7881752 Hybrid architecture that combines a metropolitan-area network fiber system with a multi-link antenna array  
A system and method for utilizing a multi link antenna array for wireless links in conjunction with fiber MAN's is disclosed. The fiber MAN's are coupled to one or more multi-link antenna arrays....
Matches 1 - 50 out of 451 1 2 3 4 5 6 7 8 9 10 >