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7016569 |
Back-side-of-die, through-wafer guided-wave optical clock distribution networks, method of fabrication thereof, and uses thereof
Systems and methods for back-of-die, through-wafer guided-wave optical clock distribution systems (networks) are disclosed. A representative back-of-die, through-wafer guided-wave optical clock...
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7016568 |
Arrayed waveguide grating with increased uniformity of a performance parameter
An arrayed waveguide grating (AWG) device ( 1 ) comprising a substrate having a first array of waveguides ( 8 ) optically coupled between first and second slab couplers ( 3, 4 ) and a second array...
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7016559 |
Optical transmitter-receiver and optical fiber
Light emitted from a light-emitting element is reflected by a beam splitter and made incident upon an optical fiber, while light launched from the optical fiber passes through the beam splitter and...
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7016594 |
Heat actuated steering mount for maintaining frequency alignment in wavelength selective components for optical telecommunications
A simple and robust heat actuated steering device for use with mirrors and other optical components of optical telecommunications equipment is described, together with systems which implement such...
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7013063 |
System for higher-order dispersion compensation including phase modulation
A higher-order dispersion compensator including a chromatic dispersion compensator coupled to receive an input signal; a phase modulator optically coupled to the chromatic dispersion compensator,...
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7013062 |
Material for thermal compensation and optical communication device using the material
A material for temperature compensation consists of a sinter produced by baking any of crystalline powder, crystallized glass powder, and partially crystalline glass powder. The sinter has a...
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7010192 |
Optical fiber array block embedding optical device therein
An optical fiber array block includes at least one optical waveguide having an optical fiber zone, and an optical device. An optical signal leakage window is formed at the optical waveguide, and...
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7004642 |
Opto-electrical module packaging
The opto-electrical module packaging installs opto-electrical devices on a conductive leadframe to form an opto-electrical module. The opto-electrical module is then packaged using a molding...
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7006725 |
High extinction ratio fiber interferometer
A high extinction ratio interferometer is disclosed. The interferometer includes a first and second optical fiber each having a first end and a reflective end and an optical coupler for coupling...
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7003210 |
Display device comprising an optical waveguide plate and method of operating for the same
The display device ( 1 ) comprises picture elements ( 5 ) arranged in substantially parallel lines ( 6 ) on a display panel ( 2 ), and selection means ( 3 ) for controlling the decoupling of light...
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6999657 |
High density optical data storage
A data storage apparatus includes an array of optical fibers. The array has a first end and a second end. The first end of the array includes multiple optical fiber ends, each optical fiber end...
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6999656 |
Optical device with concave mirror
New designs of optical devices, particularly for adding or dropping a selected wavelength or a group of wavelengths are disclosed. In one aspect, no collimators or the like are used. Instead, two...
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6999494 |
Packaging and passive alignment of microlens and molded receptacle
A planar wafer-level packaging method is provided for a laser and a microlens. Light from the laser is directed and shaped by the microlens to couple into an external light guide. A plurality of...
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6999653 |
4-port wavelength selective router
The present invention relates to a 4-port wavelength selective router and the add/drop multiplexer using the above router. More particularly, it relates to a 4-port wavelength selective router that...
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6996302 |
Optical demultiplexer, optical multi-/demultiplexer, and optical device
The present invention provides an optical demultiplexer and an optical multi-/demultiplexer at low cost without reducing performance capabilities. The optical demultiplexer includes a multi-mode...
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6996305 |
Printed circuit board with opto-via holes and process of forming the opto-via holes
Disclosed is a printed circuit board with opto-via holes for transmitting an optical signal to an optical waveguide in the PCB, and a process of forming the opto-via holes. The process comprises...
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6993217 |
Optical switch device
In an optical switch device: output waveguides are arranged with such a pitch as to realize a split wavelength gap equal to or smaller than half of a gap between operating wavelengths of optical...
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6993213 |
Semiconductor optical waveguide device including s-shaped waveguides
Substantially S-shaped optical waveguides are embedded in a semiconductor substrate, and at least two optical waveguide returning parts are interposed between the input and output ends of the...
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6990275 |
Stray light absorber including grating array
An optical component comprising an optical waveguide and adjacent to it at least one grating array adapted to reflect stray light away from said optical waveguide. The use of a grating array with a...
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6987907 |
Tunable holographic drop filter with quasi phase-conjugate fiber coupling
The present invention is a method and apparatus for a rotating, tunable, holographic drop filter connected to a fiber optic source. The filter uses a quasi phase-conjugate optical system for a...
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6987909 |
Optical systems and athermalized optical component apparatuses and methods for use therein
An athermalized optical fiber component assembly including a limiting member, a mounting structure attached to the limiting member, a temperature compensating substrate attached to the mounting...
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6987903 |
Optical transmission network, optical transmission apparatus, dispersion compensator arrangement calculation apparatus and dispersion compensator arrangement calculation method
An optical transmission network includes a first dispersion compensator arranged in a maximum dispersion span having a maximum dispersion value and searched out from within a maximum dispersion...
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6987906 |
Optical connection device
An optical connection device according to the invention is an optical connection device for optically coupling light propagated through an optical waveguide to an optical element arranged outside...
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6987591 |
Volume hologram
A volume hologram for modifying a characteristic of an input microwave beam and a method for manufacturing thereof are disclosed. The hologram is fabricated from a multi-layer artificial dielectric...
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6987896 |
Optical isolator
An optical isolator includes a non-reciprocal combination-device and a reflector. The non-reciprocal combination-device has a principal direction and includes a first birefringent wedge, a second...
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6985658 |
Method for the manufacture of optical modifier
The present invention relates to an optical modifier, in which single or several wavelength channels are fed into or fed out of transmission and/or receiving elements including, for examnple, wave...
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6980578 |
Optical bandpass filter using long period gratings
The specification describes an optical filter wherein long period gratings (LPGs) are used in a new configuration to provide in-line bandpass filtering of optical signals. In the basic embodiment,...
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6979136 |
Fiber type optical module
The present invention relates a fiber optical module. A first filter 5 transmits a light with a first predetermined wavelength (λ A ), and reflects lights with a second predetermined wavelength...
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6978065 |
Ruggedized optical fiber collimator
The present invention relates to a ruggedized optical fiber collimator. An embodiment of the present invention includes a housing, an optical fiber, a collimating lens system comprising at least...
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6978066 |
Method for fabricating fiber bragg grating elements and planar light circuits made thereof
A method for fabricating Fiber Bragg Grating elements and planar light circuits made thereof. A mask having a predetermined pattern and a wafer are provided, wherein a light-guiding channel filled...
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6978063 |
Compact optical fiber amplifier module
An optical fiber amplifier module is disclosed which comprises a signal path located between a signal input and a signal output. A WDM coupler and an amplifying gain medium are disposed along the...
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6975805 |
Light channel communication system
The present invention involves a light channel communication component for a vehicle interior member. The light channel communication component comprises an integral polymeric body being a...
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6975792 |
Method and apparatus for coupling light into a waveguide using a slit
A method and a corresponding apparatus for side-coupling light into an optical waveguide, such as a double-cladding fiber, are described. The method includes emitting light from a light source and...
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6974264 |
Optical module and method for producing the same
In a small-sized optical module, opposite side surfaces of a collimator lens ( 2 ) and opposite side surfaces of a polarization compensating filter ( 5 ) are fixed to opposite side surfaces of a...
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6973230 |
Distributed network repeater system
A repeater, useable for connecting switches in a data communication network, is provided in a distributed and/or modular fashion. The repeater includes a plurality of separate and distinct...
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6973234 |
Optical circuit for condensing laser beams, and light source device
Each of guided beam incident portions of an optical waveguide device includes a straight incidence area where laser beams enter, a curved area which curves the laser beams entering from the...
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6973233 |
Variable-wavelength optical output device
In a wavelength-variable light outputting apparatus, a diffraction grating 8 and a shielding member 11 which make wavelength and light quantity variable are attached to galvanometric scanners ...
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6970620 |
Waveguide for receiving and/or radiating electromagnetic radiation
In the region of a distal end at its circumference the waveguide is formed transparent to the radiation which impinges onto the surface of the waveguide at suitable angles, and in the region of the...
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6970624 |
Cladding pumped optical fiber gain devices
The specification describes optical fiber gain devices, such as lasers and amplifiers, wherein losses due to a large step transition between an input section and a gain section are reduced by...
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6965713 |
Optical beam generating and shaping device
A beam generating and shaping device, for use in a free-space optical communication system provides increased uniformity in the distribution of optical radiation power, both at the output of the...
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6963118 |
Hybrid active and electronic circuit with evanescent coupling
A method for forming a hybrid active electronic and optical circuit using a lithography mask. The hybrid active electronic and optical circuit comprising an active electronic device and at least...
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6959131 |
Achromatic fiber-optic power splitter and related methods
An achromatic power splitter is formed from multiple optical fibers. The achromatic power splitter operates single mode, which permits the power splitter to operate substantially insensitive to...
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6959130 |
Optical beam scanning system for compact image display or image acquisition
An optical fiber having a reduced cross-sectional region adjacent to its distal end, which is fused to an optical component, is vibrated, rotating the optical component to scan a region. The...
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6956990 |
Reflecting wedge optical wavelength multiplexer/demultiplexer
A method and apparatus for multiplexing and demultiplexing optical signals. The apparatus includes first and second optical waveguides coupled via an optical coupler. The optical coupler has a...
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6957006 |
Optical element and optical device using the same
An optical element that realizes light path conversion of transmitting light at low loss, allows easy incorporation of functions such as light convergence or the like, and can be easily made into a...
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6956998 |
Compact optical delay lines
The present invention provides an optical delay, for example, an optical delay line, having at least first and second waveguides, each waveguide having a first end at a first side of the device and...
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6956996 |
Tri-state optical systems and methods
Optical systems are provided. A representative optical system includes an optical transceiver with an optical source and an optical receiver. The system also includes an optical bus. At least one...
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6954579 |
Method and apparatus for changing the optical intensity of an optical signal using a movable light transmissive structure
An improved device, which may act as a variable attenuator, changes the optical intensity of an optical signal by moving a platform onto which a light transmissive structure such as a waveguide is...
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6953275 |
System and method for providing a uniform source of light
A system for providing a uniform source of light. The system includes a light pipe having an input surface for receiving light from a light source and an output surface for transmitting the light....
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6954563 |
Optical routing mechanism with integral fiber input/output arrangement on MEMS die
An optical routing mechanism is provided that may be used in a wavelength router configured to receive light having multiple spectral bands from an input fiber and to direct subsets of the spectral...
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