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7616854 |
Optical coupling structure
The present invention provides an apparatus and method for operation therefore. The apparatus, in one embodiment, includes an optical coupling structure disposed within a cladding region, wherein...
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7609921 |
Optical fiber part and laser processing machine
An optical fiber part includes an optical fiber having a main fiber, a taper fiber and a small-diameter fiber. The core diameter of the taper fiber decreases along an optical axis. Further, a...
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7603017 |
Multi-color curved multi-light generating apparatus
In accordance with one or more embodiments of the present disclosure, a multi-color curved multi-light generating apparatus comprises a first input component adapted to receive a first input light...
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7599627 |
Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation
An optical homodyne communication system and method in which a side carrier is transmitted along with data bands in an optical data signal, and upon reception, the side carrier is boosted, shifted...
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7593608 |
Optical communications system
In an optical communications link, an optical system including: at least a first input port for delivering an optical signal travelling in the communications link, the optical signal including a...
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7593606 |
Optical modulator including waveguide grating structure and multiple quantum well layer
An optical modulator and related methods are described. In accordance with one embodiment, the optical modulator comprises a horizontal waveguide grating structure (WGS) receiving an incident...
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7590356 |
Variable dispersion compensator
The present invention provides: (1) a compensator that compensates a wide range of amount of dispersion of light in a wide bandwidth band; and (2) a variable dispersion slope compensator applicable...
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7590317 |
High energy fiber optics laser delivery system with improved scrambling capabilities
The methods and apparatus of the present invention provide advantages for remote laser delivery systems that conduct high levels of light energy through a fiber optic cable to a target surface....
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7587109 |
Hybrid fiber coupled artificial compound eye
A hybrid, wide angle imaging system combines high sensitivity superposition arrays with a high resolution apposition array to generate distortion free images with an infinite depth of field. A...
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7583894 |
Interferometric operation of electroabsorption modulators
Methods and apparatus are described for modulating an optical signal using electroabsorption in conjunction with an optical interferometer. Phase-shift keying modulation can be achieved with lower...
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7577327 |
Optical junction apparatus and methods employing optical power transverse-transfer
An optical apparatus comprises an optical device formed on a device substrate, a first optical waveguide formed on the substrate or on the optical device, and a second, mechanically discrete...
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7574081 |
Optical system with optical waveguides
The present invention provides an optical system with waveguides, which comprises first, second and third optical input/output means ( 12, 14, 16 ), fourth and fifth multi-mode optical waveguides (...
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7570850 |
WGM resonators for studying orbital angular momentum of a photon, and methods
An optical system, device, and method that are capable of generating high-order Bessel beams and determining the orbital angular momentum of at least one of the photons of a Bessel beam are...
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7565045 |
Tunable light source apparatus, and adjustment method and control program of the same
The present invention aims to provide a tuning light source apparatus including a multiple-optical resonator, where the resonance frequencies of the respective optical resonators in a...
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7561768 |
Optical branching device
An optical branching device comprises a first lens member comprising a transmitting plane surface, a transmitting convex surface having an approximate center of curvature in the transmitting plane...
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7558451 |
Optical fiber line arranging guide groove capable of sensing optical signals
An optical fiber line arranging guide groove capable of sensing optical signals is provided for detecting the status of optical signals in the optical fiber line. Through an optical detection...
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7558450 |
Microwave photonic delay line with separate tuning of optical carrier
This invention provides a tunable delay of an optical signal having a carrier with an angular frequency ω 0 and a single side band having a signal band with a median angular frequency ω r . The...
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7555220 |
Chromatic dispersion compensator (CDC) in a photonic integrated circuit (PIC) chip and method of operation
An optical equalizer/dispersion compensator (E/CDC) comprises an input/output for receiving a multiplexed channel signal comprising a plurality of channel signals of different wavelengths. An...
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7555178 |
Periodic optical filter
A periodic optical filter for interleaving a plurality of optical signals to provide a multiplexed signal for transmission over an optical fiber is disclosed. The periodic optical filter includes a...
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7548668 |
Programmable optical array
An apparatus having a topology that allows building complicated optical programmable arrays useful for manipulating the phase and/or amplitude of an optical signal. Sophisticated filtering and...
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7542641 |
Multi-channel optical device
The multi-channel optical device includes a demultiplexer in a laser cavity. The demultiplexer is configured to demultiplex a multi-channel light beam into a plurality of channels. The device also...
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7539369 |
Optical device and manufacturing method thereof
An optical device includes: a substrate side waveguide formed on a substrate; and a plurality of optical elements fixed on the substrate. The substrate side waveguide and an optical element side...
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7532790 |
Method of coupling light into microresonators
A method of making a microresonator device includes the steps of providing at least a first substrate and providing a waveguide integrated on the substrate. The waveguide includes a core and a...
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7532789 |
Process tolerant planar ring resonator dispersion compensator
In general, in one aspect, an apparatus includes an optical bus arm and a ring resonator arm. The apparatus also includes first, second and third directional couplers between the optical bus arm...
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7532779 |
Single mode (SM) fiber optical reader system and method for interrogating resonant waveguide-grating sensor(s)
An optical reader system is described herein which has a single mode (SM) optical fiber launch/receive system that uses one or more SM optical fibers to interrogate a biosensor and does not use...
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7529454 |
Photonic crystal surface states
A photonic crystal may be configured to support a surface state for logic.
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7526148 |
High-sensitivity fiber-compatible optical acoustic sensor
An acoustic sensor includes at least one photonic crystal structure having at least one optical resonance with a resonance frequency and a resonance lineshape. The acoustic sensor further includes...
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7520681 |
Butt coupling structure and method of photonic quantum ring hole emitter
An optical coupling structure includes a PQR hole emitter having a PQR hole, and an optical fiber whose one side is tapered into the PQR hole. An index-matching solution such as a photo-resist or a...
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7519240 |
Multi-section coupler to mitigate guide-guide asymmetry
A wavelength independent multi-section optical coupler having at least three optical couplers, and at least two differential phase cells. Each optical coupler has two waveguides forming a coupling...
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7515785 |
Dispersion compensation element, optical crystal, dispersion compensation system, dispersion compensation method
In a dispersion compensation element 10 X, a plurality of regions (I) and (II) mutually different in radius and interval of holes 24 are set, and voltages applied at electrodes 30 A and 30 B...
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7512344 |
Variable dispersion compensator
A dispersion compensator is applicable to a WDM optical transmission system and features low loss, wideband usage, and minimum ripple. The dispersion compensator is constructed so that the light...
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7509052 |
Optical receiver, optical transmitter and optical transceiver
An optical receiver includes a first light receiving element to convert an optical signal to an electric signal and to output the electric signal from one end. A light receiving element row is...
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7505640 |
Integrated optics polarization beam splitter using form birefringence
A method for separating the orthogonal polarization components of an incident optical signal into two spatially separated output ports is described. The method comprises a Mach-Zehnder...
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7502532 |
Multi-ring resonator implementation of optical spectrum reshaper for chirp managed laser technology
There is provided a fiber optic transmission system, comprising:
an optical signal source adapted to produce a frequency modulated signal; and a multi-ring resonator optical spectrum...
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7502531 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Multi-channel array processor
A method and apparatus for monitoring one or more environmental parameters using interferometric sensor(s), a cross-correlator, a two-dimensional photosensitive array and optical focusing means are...
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7499615 |
System and methods for routing optical signals
A system and methods for routing optical signals are disclosed. The system includes a first large core hollow waveguide having a reflective coating covering an interior of the waveguide and...
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7496253 |
Wide passband optical interleaver
A wide passband optical interleaver includes a first optical splitter, having a first output terminal and a second output terminal. A first optical route is coupled to the first output terminal. A...
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7496127 |
Optical device coupling light propagating in optical waveguide with diffraction grating
An optical waveguide propagates a laser beam. Main diffraction grating and sub-diffraction grating couple light propagating in the optical waveguide. The main diffraction grating and the...
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7492979 |
Photonic crystal laser sensors and methods
A sensor apparatus includes a laser optically coupled to a photonic crystal structure configured to provide an evanescent field through a sensed medium region such that the photonic crystal...
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7486895 |
Effective control algorithm for optical polarization mode dispersion compensators
The present invention includes apparatus and method of a variable step size dithering control algorithm for polarization mode dispersion controllers (PMDCs). The dithering step size of the PCs is...
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7486857 |
Temperature-independent optical wavelength identification apparatus and optical wavelength identification method
The distance between an optical diffraction device and a focusing lens, and the coefficient of the focal length change of the focusing lens, are adjusted based on the calculation expression of...
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7486852 |
Apparatus and method for suppression of stimulated brillouin scattering in an optical fiber
A technique for suppressing stimulated Brillouin scattering (SBS) in fibers intended to handle high powers. A fiber is embedded in an elongated embedding material to form an embedded fiber...
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7486851 |
Tunable single-channel dispersion compensator for high-speed optical systems
One embodiment of the present invention includes a plurality of first optical elements and a second optical element optically coupled to one another in cascaded fashion. Each first optical element...
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7486849 |
Optical switch
An optical switch, comprising an optical resonator, a first input optical waveguide optically coupled to the optical resonator for guiding a first optical signal to the optical resonator; a second...
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7483601 |
Polarization maintaining optical device
A polarization maintaining optical device may include a polarization maintaining optical array. The device may also include a microlens array to receive light from the polarization maintaining...
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7477848 |
Optical receiving apparatus and method for controlling the optical receiving apparatus
An optical receiving apparatus sets, efficiently and optimally, a delay interferometer and a variable wavelength dispersion compensator in the apparatus. The apparatus has a variable dispersion...
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7474823 |
Tunable dispersion compensation
Dispersion compensation for an optical signal having a first frequency range is described. The optical signal is applied to a dispersion compensating material having a negatively refracting...
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7474820 |
Micro-optic adapters and tips for surgical illumination fibers
A microstructure optical adapter or tip according to the present disclosure may incorporate precision micro structure optical components engaging the input or output end of light energy delivery...
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7474810 |
Method and apparatus for controlling light flux with sub-micron plasmon waveguides
Apparatuses and methods for modulating electromagnetic radiation are disclosed. A plasmon waveguide including an array of metallic nanoparticles disposed on a dielectric substrate is provided. The...
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7471858 |
Configurable dispersion compensation trimmer
The invention pertains to optical fiber transmission systems, and is particularly relevant to transmission of large volumes of data over long distances at high rates. An improved apparatus...
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