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9036250 Walk-off compensator with tilt function  
Techniques and structure are disclosed for implementing a spatial walk-off compensation mechanism having an integral tilt function. In some embodiments, the mechanism may comprise a tilt-ball...
9030731 Quantum entangled photon pair generator  
In a quantum entangled photon pair generator selectively generating polarization entangled photon pairs and time-bin entangled photon pairs, an excitation optical pulse shaper receives a linearly...
9030730 Optical phase-sensitive amplifier for dual-polarization modulation formats  
A method for amplifying optical signals includes determining a source optical signal, generating a first resultant signal including a pump signal and the source optical signal, sending the first...
9008132 Multiple wavelength raman laser  
A pulsed laser system may include a Raman fiber that is configured to act as multiple wavelength Raman laser. The fiber is configured to receive a pulsed input beam from an input source and...
9007678 Monolithic fixed optical delay generators  
A monolithic fixed optical delay generator includes an optical substrate having a front face and a back face. A front coating is on the front face and a back coating is on the back face. The front...
8988767 Method and system for non-mechanical rapid tuning of an optical parametric oscillator  
An OPO is disclosed capable of rapid frequency tuning by non-mechanical means. The OPO includes a resonant cavity including one or more non-linear crystals in an optical path thereof. A pump laser...
8970944 Ultrabright long biphoton generation with non-linear optical material  
Improved production of entangled photon pairs (biphotons) via spontaneous parametric down conversion (SPDC) is provided. In one aspect, forward-wave SPDC is performed in a monolithic resonator...
8922873 Compact narrow bandwidth tunable source  
Tunable light sources having a single optical parametric generation (OPG) source that results in an amplified, narrow bandwidth seed beam and methods of tuning therewith are disclosed. The tunable...
8923517 Multi-terminal quantum key distribution system  
A quantum entangled photon pair generating device, an optical frequency dividing filter, a 2N-input/2N-output optical switch, a 2N number of quantum key receiving devices, an optical transmission...
8922874 Cascaded optical parametric amplifier with polarization exchange for noise reduction  
An optical amplification device includes a first optical amplification portion, an intermediate portion and a second optical amplification portion. The first optical amplification portion receives...
8896912 Chirped quasi phase-matched optical parametric amplifier/difference frequency generator (CQPM OPA/DFG)-based optical tuning method, apparatus, and applications  
A method for wavelength tunable output from a broadband spectrum using a quasi phase-matched optical parametric amplifier/difference frequency generator (CQPM OPA/DFG)-based apparatus involves...
8891160 Broadly and fast tunable optical parametric oscillator  
A coherent light source is provided for producing narrow-linewidth output, continuously tunable within a broad (at least one-octave-wide) range of optical wavelengths. The source is based on...
8867122 Optical parametric oscillator  
The present invention relates to an optical parametric oscillator. In particular, the present invention relates to a more optimal rotating image optical parametric oscillator. More specifically,...
8861074 Optical parametric generator based on a slant-stripe periodically poled nonlinear material with optimized lateral output coupling of a terahertz signal  
An optical parametric device comprising a slant-stripe periodically poled nonlinear material that is operable to generate signal in response to interaction with a pump wave, the non-linear...
RE45177 Quasi-phase-matched parametric chirped pulse amplification systems  
Use of quasi-phase-matched (QPM) materials for parametric chirped pulse amplification (PCPA) substantially reduces the required pump peak power and pump brightness, allowing exploitation of...
8830565 Control of relaxation oscillations in intracavity optical parametric oscillators  
An intra-cavity optical parametric oscillator. The oscillator includes means for providing a non-linear loss for suppressing relaxation oscillations.
8797639 Method and system for regenerating and reshaping of optical signals  
A method and an apparatus for processing an optical signal are disclosed wherein an input optical signal having an amplitude profile is combined by means of Bragg scattering with a first pulsed...
8773753 Optical amplifier and optical amplifying apparatus  
An optical amplifier amplifies signal light and includes a pump light source that outputs pump light of a wavelength different from that of the signal light; a combining unit that combines the...
8730567 Terahertz continuous wave generator  
A terahertz continuous wave generator includes: an optical intensity modulator configured to modulate an optical signal into DSB optical signals; a local oscillator configured to generate a...
8731404 Optical transmission system  
An optical transmission system is provided. The optical transmission system includes a user side optical repeater device (ORD), a central office side ORD, and wavelength multiplexing and...
8730566 Grating based optical parametric oscillator and method of dynamically tuning the oscillator for generating desired optical signals  
According to an embodiment of the present invention, an optical parametric oscillator (OPO) (e.g., for a laser transmitting device) includes non-linear optical media, optical beam manipulating...
8717666 Compact solid state entangled photon source  
A compact source of polarization-entangled photons includes a laser source, producing a laser beam, a pair of nonlinear crystals, in optical contact with each other, with one of the pair of...
8717665 Optical wavelength conversion device, and coherent light source using same  
The invention relates to an optical wavelength conversion device adapted to receive at least one first pump beam (λ1) as an input and emitting a different wavelength output beam (λS), which...
8699124 Parametric generator  
A method of optimizing parametric gain in a nonlinear optical crystal that in response to application of a pump beam generates through a parametric generation process signal and idler beams,...
8698399 Multi-wavelength pumping to sustain hot plasma  
A method of sustaining a plasma, by focusing a first wavelength of electromagnetic radiation into a gas within a volume, where the first wavelength is substantially absorbed by a first species of...
8676059 Optical signal processing apparatus and optical communication system  
In an optical signal processing apparatus, carrier light propagates through a nonlinear optical medium. An optical combiner optically combines output control light for generating idler light of...
8599475 Alignment and optimization of a synchronously pumped optical parametric oscillator for nonlinear optical generation  
A synchronously pumped optical parametric oscillator (OPO) comprises a nonlinear optical medium positioned in an optical resonator (e.g., a ring resonator) and is pumped by a pump laser source. A...
8599474 Alignment and optimization of a synchronously pumped optical parametric oscillator for nonlinear optical generation  
A synchronously pumped optical parametric oscillator (OPO) comprises a nonlinear optical medium positioned in an optical resonator (e.g., a ring resonator) and is pumped by a pump laser source. A...
8599476 Alignment and optimization of a synchronously pumped optical parametric oscillator for nonlinear optical generation  
A synchronously pumped optical parametric oscillator (OPO) comprises a nonlinear optical medium positioned in an optical resonator (e.g., a ring resonator) and is pumped by a pump laser source. A...
8543013 Technique for detection of optical data signals  
Technology for detecting an optical data signal carried in a combined optical signal that comprises a carrier optical signal modulated by the optical data signal and also comprises ASE noise. The...
8542435 Nested-cavity optical parametric oscillator for fast frequency tuning  
Nested-cavity optical parametric oscillator for fast frequency tuning including a source of pump radiation (fp), a non linear crystal situated within two resonant cavities for the signal and...
8531760 Semiconductor wavelength converting devices and light sources for generating infrared rays  
It is provided a wavelength converting device oscillating an idler light having a wavelength of 5 to 10 μm from a pump light. The wavelength of the idler light is longer than that of the pump...
8514482 Terahertz electromagnetic wave generating element  
A terahertz electromagnetic wave generating element can include a generation layer, and a plurality of pairs of layer structures provided on opposite sides thereof. The layer structures are each...
8498043 Optical parametric oscillator with optimized output coupling  
An optical parametric oscillator including a nonlinear crystal pumped by a laser source and an optical resonator, including an optical interferometer, which determines a level of output coupling...
8488231 Generator of polarization entangled photon pairs and method of generating the same  
A wavelength-multiplexed polarization entangled photon pair generator (1) includes: a pump light source (2); a polarization entangled photon pair generating body (4) on which pump light (3)...
8482847 Systems and methods for fiber optic parametric amplification and nonlinear optical fiber for use therein  
A high confinement nonlinear optical fiber is provided along with methods of parametric amplification for use thereof. The nonlinear optical fiber may include a plurality of concentric layers...
8477410 Optical parametric oscillator pumped by femtosecond thin-disk laser  
Pulses from a mode-locked Yb-doped laser are spectrally broadened, and temporally compressed, then frequency-doubled and used to pump an optical parametric oscillator (OPO). The OPO output is...
8462424 Optical apparatus  
An optical parametric oscillator (OPO) comprises a resonant cavity for signal light, and an optically non-linear medium disposed in the resonant cavity for converting pump light into the signal...
8451529 Method and system for optical conversion  
A cA crystal configured to change a frequency of a laser through an optical parametric oscillation (OPO) process and a difference frequency generation (DFG) process is provided. The crystal...
8445875 Optical crystal and terahertz wave generation device and method  
An optical crystal includes a first non-linear optical crystal that generates terahertz waves corresponding to a difference frequency component in incident light with two different wavelengths by...
8441720 Methods and devices for generation of broadband pulsed radiation  
Methods and apparatus for non-collinear optical parametric ampliffication (NOPA) are provided. Broadband phase matching is achieved with a non-collinear geometry and a divergent signal seed to...
8441719 Photon pair generating apparatus and photon pair generating method  
In a photon pair generating apparatus for generating a pair of correlated photons by hyper-parametric scattering, a light-shaping section irradiates an optical resonator with two beams of light of...
8427738 Nonlinear frequency conversion in nanoslot optical waveguides  
A waveguide device for frequency mixing or conversion through birefringent phase matching, having two suspended horizontal waveguides with an air-filled horizontal nanoslot between them. The...
8422119 Compensation of beam walkoff in nonlinear crystal using cylindrical lens  
A nonlinear optical system may include optics, a non-linear optical crystal, and a uni-axial focusing element. The non-linear optical crystal is configured to generate an output beam from a...
8390921 Cavity-enhanced parametric amplification at full repetition rate  
Seed light pulses and pump light pulses are generated; the seed light pulses are preferably chirped; and both are directed into an enhancement cavity at a full repetition rate. The enhancement...
8384990 Infrared frequency comb methods, arrangements and applications  
Certain embodiments relate to and involve producing broadband phase-locked frequency combs in the near-infrared and mid-infrared spectral ranges. One such embodiment is directed to a system, with...
8384989 Electromagnetic wave oscillating devices  
A device of oscillating an electromagnetic wave having a frequency of 0.1 THz to 3 THz from pump and idler waves by parametric effect. The device includes a supporting body, an oscillating...
8369003 Wavelength tunable single-pass optical parametric amplifier  
A single-pass optical parametric amplifier is provided. The single-pass optical parametric amplifier comprises a light source emitting a fundamental wave having a wavelength range; a nonlinear...
8355197 Electromagnetic wave oscillating devices  
An oscillating device includes an oscillating substrate of a non-linear optical crystal and having an incident face where a pump wave and an idler wave are made incident; a first waveguide...
8351110 Optical-signal processing apparatus  
An optical-signal processing apparatus includes a polarizer that is provided at an output terminal of an optical fiber, and polarization control units that adjust a first excitation light and a...

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