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7620330 |
Optical receiver device and method
An optoelectronic device has a bright detector and a dark detector and reduces noise in the output of the bright detector using the output of the dark detector.
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7618201 |
Optical module
An optical-waveguide device mounted on a fixing member having a pair of opposing upright walls and a sub-mount unit including a metallic sub-mount of a rectangular solid shape inserted between the...
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7618200 |
Photoelectric coupling assembly and manufacturing method thereof
A photoelectric coupling assembly and manufacturing method thereof enabling a three dimensional electrical wiring pattern is provided. The assembly includes a photoelectric conversion unit equipped...
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7618199 |
Optical communication apparatus and optical transceiver thereof
An optical transceiver disposed within a cage includes a main body, a handle and a sliding element. The handle is coupled with the main body. The sliding element is secured to the handle and has an...
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7614802 |
Optically coupled device and optical module including optically coupled device
An optically coupled device and an optical module including the optically coupled device are provided in which a photoelectric conversion device can be easily and appropriately positioned, and...
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7614801 |
Optical axis adjusting method, optical module producing method, optical axis adjusting apparatus, and optical module
An optical axis adjusting method for adjusting a tilt angle of an optical axis in two regions optically coupled in a holding member includes the steps of: roughly adjusting the optical axis by...
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7613400 |
Multi-level optical data communication circuit
A driver circuit is coupled to an optical waveguide transmitter. The driver circuit has a current generator that is in series with the transmitter, and a current robbing circuit is coupled to the...
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7604419 |
Optical module and optical connector having same
An optical module capable of preventing the efficiency of optical coupling from deteriorating even if temperature varies. The optical module 1 has a holder 2 and an aspherical lens 11, which...
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7597486 |
Managing backreflection
In one example, an optical device includes a body having a first surface and a second surface. At least a portion of the body is formed from a material that is transmissible to light. The body is...
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7589915 |
Optical element, optical module holder including optical element, optical module, and optical connector
It is to provide an optical element, an optical module holder including the optical element, an optical module, and an optical connector that can attenuate with high accuracy an amount of light...
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7585120 |
Optical device and method of manufacturing the same, optical device adaptor, and optical component stopper
An optical device includes: a first optical component that has an end face oblique with respect to a plane perpendicular to an optical axis; a second optical component that is optically coupled to...
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7572069 |
Surface warp resistant optical devices
In at least one example, an optical component includes a central optical surface proximate an optical axis, a peripheral portion extending radially from the central optical surface, and a stepped...
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7572068 |
Laser module having detachable transparent member covering light-output window
A laser module includes: a chassis having a light-output window from which one or more laser beams are outputted; a hermetically sealed package which is fixed to the chassis; one or more...
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7567760 |
Method and apparatus for providing diagnostic features for an optical transceiver
A method and apparatus for providing diagnostic features for an optical transceiver, in which the optical transceiver uses electronic dispersion compensation (EDC) in order to alleviate distortion...
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7567758 |
Transceiver module and integrated circuit with multi-rate eye openers and bypass
A transceiver module having intergrated eye diagram opening functionality for reducing jitter is describe. The transceiver module may transmitter eye opener and a receiver eye opener integrated in...
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7565053 |
Fiber optic dust cap and dust plug with high power protection
A dust cap and a dust plug for installation with optical fiber connectors and optical fiber adapters respectively. The dust cap and the dust plug have features that protect an optical interface on...
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7563036 |
Optical element module and method of assembling the optical element module
An optical element module includes a lead frame an optical element mounted on the lead frame, a resin housing including an opening part, and a tube body. The resin housing contains a part of the...
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7559705 |
Optical ROSA for long reach optical transceiver
A receiver optical amplifier assembly (ROSA) is disclosed that provides for greater tolerances in alignment. The ROSA includes a multimode fiber stub to receive a light beam from a single mode...
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7559703 |
Optical module and data communication system including the optical module
An optical module includes a fiber array, a laser diode array, a photodiode array and a micro-lens array. The fiber array includes optical fibers which are divided to a transmitter group and a...
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7556440 |
Dual-lensed unitary optical receiver assembly
A unitary optical receiver assembly is formed to include a V-groove passively aligned with a first aspheric lens (the lens formed along a surface perpendicular to the V-groove). An optical fiber is...
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7549804 |
Optical unit having a transmitter including a semiconductor source and fiber optic element and method of making same
A housing for a device has first and second segments with opposed adjacent surfaces fixedly connected to each other. The first segment fixedly carries a semiconductor optical source for emitting a...
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7547151 |
Optical module package and optical module
An optical module package that optically couples an optical device and an optical fiber includes: a first surface on which an optical plug that supports one end of the optical fiber is mounted; a...
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7543999 |
Optical module hermetically packaged in micro-machined structures
An optical module comprising an opto-electronic component, a lens and a mirror that is hermetically sealed by a micro housing containing a lid and a base is disclosed. The optical module may be...
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7543994 |
Multi-optical fiber connector module for use with a transceiver module and method for coupling optical signals between the transceiver module and multiple optical fibers
A multi-fiber connector module for optical communications is provided that receives collimated beams of light from a transceiver module and focuses the collimated beams to respective focal points...
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7539366 |
Optical transceiver module
An optical module. The optical module includes a printed circuit board and an opto-chip. The opto-chip includes a transparent carrier with an optoelectronic device array and an associated...
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7526162 |
Collimator
An epoxy-free collimator assembly is configured with a ferrule and a lens operative to move within an outer case to a desired position therebetween. The collimator assembly further has an aligning...
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7517158 |
Method for manufacturing an optical module
The invention provides a method for manufacturing a optical subassembly even when the assembly involves the positional deviation of the components that induces the discrepancy in the direction of...
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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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7507035 |
Optical module with metal stem and metal cap resistance-welded to stem
The present invention provides a new arrangement of the stem and the cap resistance-welded to the stem, in which the deformation induced by the welding in a portion adjacent to the projection does...
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7488124 |
Optical transmitting and receiving module holder and optical module
An optical transmitting and receiving module holder that can quickly, easily, and accurately adjust the relative positions of an optical transmitting module holder section and an optical receiving...
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7488118 |
Optical coupling element and optical coupling unit
An optical coupling element disposed between an optical fiber and an optical element that face each other and optically coupling these two facing components includes a substantially cylindrical...
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7488117 |
Large tolerance fiber optic transmitter and receiver
An optical transmitter relaxes the tolerance between a source assembly and a fiber receptacle to facilitate passive alignment. The source assembly includes a light source and a lens. The lens is...
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7484897 |
Optical module, optical module substrate and optical coupling structure
There is provided an optical module for coupling with a fiber optic cable through an optical connector, including a module body connectable with a plug of the optical connector by a dedicated guide...
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7483638 |
Optical transceiver
The present invention provides an optical transceiver that enables to reduce the crosstalk from the optical transmitter to the optical receiver. The regenerator of the optical transceiver includes...
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7477847 |
Optical and electrical channel feedback in optical transceiver module
Optical transceivers have loopback and pass-through paths for diagnosing transceiver components and optical networks connected to the optical transceiver or for routing data out of the transceiver...
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7476040 |
Compact optical sub-assembly with ceramic package
The present invention relates to an optical sub-assembly, i.e. a receiver optical subassembly or a transmitter optical sub-assembly, for use in an optical transceiver device. The optical...
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7474822 |
Optical fiber collimator
In the optical fiber collimator according to the invention, a transparent block having a refractive index that is substantially the same as the refractive indices of the lens and optical fiber is...
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7471854 |
Laser module allowing direct light modulation and laser display employing the same
Provided are a laser module allowing direct light modulation and a laser display employing the laser module. The laser module may include a semiconductor chip, a Volume Bragg Grating (VBG), a pump...
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7467897 |
Light transmitting modules with optical power monitoring
An optical module, such as a package for a vertical cavity surface emitting laser diode (VCSEL) or other light emitting device, includes monitoring of the emitted optical power by tapping the...
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7465106 |
Optical receptacle
An optical receptacle includes: a fiber stub having a ferrule and an optical fiber in a through-hole of the ferrule; a holder to which an rear end of the fiber stub is fixed; and a sleeve for...
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7460788 |
Transmitting and receiving device
A transmitting and receiving device, in which the received signal which is produced by the receiving device has only a small amount of crosstalk. This object is achieved by providing a transmitting...
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7460749 |
Optical transmission device that employs vertical cavity surface-emitting laser diode as light source
The first and second light-emitting regions are provided on the light source. When the first optical fiber having the first core diameter is connected, the light emitted from the first...
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7457337 |
Optical module having case grounding using bypass capacitor
According to embodiments of the present invention, an optical transponder includes a transmitter optical subassembly (TOSA). In one embodiment, the electrical ground of the TOSA may be DC-isolated...
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7455463 |
High density array of optical transceiver modules
Embodiments of the present invention are directed to high density arrays of optical transceiver modules. A first fabricated package includes a light source and/or light detector, a first surface...
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7455462 |
Zone two fiber optic cable
A module-to-fiber connection includes a fiber optic module and a fiber optic cable assembly. The fiber optic module includes (1) a ferrule interface having a port for receiving a ferrule, (2) an...
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7455461 |
Optoelectronic component and method for the production thereof
To secure an optical lens over an optoelectronic transmitter or receiver, it is proposed to use a UV-initiated or photoinitiated, cationically curing epoxy resin, by means of which the bonded joint...
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7452139 |
Aligning lens carriers and ferrules with alignment frames
Methods of aligning lens carriers and ferrules with alignment frames during assembly of optical cable connectors are disclosed. In one aspect, a method may include coupling an alignment frame with...
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7447437 |
Interface arrangement for opto-electronic data transfer, and plug-in opto-electronic transceiver
An interface arrangement for opto-electronic data transfer which has an electrical plug connection part which includes at least one electrical contact used by a connected plug-in transceiver to...
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7444047 |
Multiplexing optical system
A multiplexing optical system includes collimator lenses, a first condensing lens, a second condensing lens and an optical fiber. The collimator lenses collimate divergent laser beams that have...
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7441965 |
Connector
A connector is disclosed that includes a housing and a module assembly disposed inside the housing. The module assembly includes a semiconductor element, a light receiving element, a light emitting...
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