Component alignment
Granted: January 2, 2018
Patent Number:
9857541
A system may include a substrate and a lens component. The substrate may include pads and solder protuberances. Each solder protuberance may be located on a pad. The lens component may define grooves sized to receive at least a portion of the solder protuberances. The lens component may be positioned relative to the substrate such that at least a portion of each solder protuberance is positioned within the grooves.
Multi-layer substrates including thin film signal lines
Granted: December 26, 2017
Patent Number:
9854687
This disclosure generally relates to high-speed fiber optic networks that use light signals to transmit data over a network. The disclosed subject matter includes devices and methods relating to header subassemblies and/or optoelectronic subassemblies. In some aspects, the disclosed devices and methods may relate to a header subassembly that can include: a multi-layer substrate with a bottom layer, a top layer having top thin film signal lines, and one or more intermediate layers having…
Light-weight on-chip signal monitor with integrated memory management and data collection
Granted: December 26, 2017
Patent Number:
9852057
Embodiments of a device and method to automatically acquire signal quality metrics in a digital communication system are disclosed. The device may include acquisition means to sample the likelihood of a digital communication signal passing through a grid of time and amplitude regions, and storage means by which such likelihood measurements may be accumulated in a computer memory array for analysis. A state machine may execute a method that controls both the acquisition means and the…
Wavelength selective switch for multimode optical systems
Granted: December 26, 2017
Patent Number:
9851508
In an example embodiment, a WSS may include a steering element, an optical subsystem, and a cylindrical lens. The optical subsystem may include a collimating lens and a dispersive element. The optical subsystem may be located between a fiber array and the steering element. The collimating lens may be located between the fiber array and the dispersive element. The cylindrical lens may be located between the optical subsystem and the steering element.
Optoelectronic subassembly with components mounted on top and bottom of substrate
Granted: December 19, 2017
Patent Number:
9848498
This disclosure generally relates to high-speed fiber optic networks that use light signals to transmit data over a network. The disclosed subject matter includes devices and methods relating to header subassemblies and/or optoelectronic subassemblies. In some aspects, the disclosed devices and methods may relate to a header subassembly that can include: a substrate with a substrate top and a substrate bottom; at least one optoelectronic transducer on the substrate top; at least one top…
Multi-channel transceiver with laser array and photonic integrated circuit
Granted: December 19, 2017
Patent Number:
9847840
A laser module can include: a laser chip having a plurality of laser diodes; a focusing lens optically coupled to each of the plurality of distinct laser diodes; and a photonic integrated circuit (PIC) having a plurality of optical inlet ports optically coupled to the plurality of laser diodes through the focusing lens. The laser module can include an optical isolator optically coupled to the focusing lens and PIC and positioned between the focusing lens and PIC. The laser chip can…
Multi-rate clock buffer
Granted: December 19, 2017
Patent Number:
9847776
A system may include a driver circuit configured to receive a clock signal. The system may also include a first tuned circuit and a second tuned circuit. The first tuned circuit and the driver circuit may be collectively tuned according to a first frequency range. The first tuned circuit may be configured to be active when a rate of the clock signal is within the first frequency range and to be inactive when the rate is outside of the first frequency range. Further, the second tuned…
Latch mechanisms for modules
Granted: December 12, 2017
Patent Number:
9841568
Latch mechanisms for modules are disclosed. A module includes a housing and a release slide. The housing includes a first rib located on a first side of the housing and a second rib located on a second side of the housing. The release slide is slidingly positioned on the housing. The release slide includes a release slide base, a first release slide arm extending from the release slide base, and a second release slide arm extending from the release slide base. A first flange extending…
Detecting presence of active optical cables in peripheral component interconnect-express links
Granted: December 5, 2017
Patent Number:
9838116
A peripheral component interconnect-express (PCIe) link with presence of an active optical cable (AOC) that couples between an electrical PCIe (E-PCIe) transmitter and an E-PCIe receiver may include the AOC. The AOC may include an electrical-to-optical PCIe (EO-PCIe) transceiver coupled to the E-PCIe transmitter. The EO-PCIe transceiver may include a laser diode driver that includes a common mode voltage output terminal. The EO-PCIe transceiver may include a detection condition circuit…
Directly modulated laser for PON application
Granted: November 28, 2017
Patent Number:
9831631
In an embodiment, a laser includes a gain section. The gain section includes an active region, an upper separate confinement heterostructure (SCH), and a lower SCH. The upper SCH is above the active region and has a thickness of at least 60 nanometers (nm). The lower SCH is below the active region and has a thickness of at least 60 nm.
Communication devices including an illumination source and a physical input sensor
Granted: November 21, 2017
Patent Number:
9824552
Communication devices are disclosed. In an example embodiment, a communication device may include a communication module including an illumination source and a body element. The body element may be configured to allow illumination generated by the illumination source to propagate within and illuminate at least a portion of an outer surface of the body element.
Lens receptacles
Granted: November 21, 2017
Patent Number:
9823430
This disclosure generally relates to high-speed fiber optic networks that use light signals to transmit data over a network. The disclosed subject matter includes devices and methods relating to lens receptacles and/or optoelectronic subassemblies. In some aspects, the disclosed devices and methods relate to a lens receptacle including a receptacle body extending between a receptacle top and a receptacle bottom, the receptacle body including: a port body defining a receptacle port with a…
Interconnect structure for coupling an electronic unit and an optical unit, and optoelectronic module
Granted: November 7, 2017
Patent Number:
9814153
An optoelectronic module is provide and includes an electronic unit, an optical unit, and an interconnect structure. The electronic unit is capable of outputting and/or receiving electric signals, while the optical unit is capable of converting the electric signals into optical signals. The interconnect structure connects the electronic unit and the optical unit, and includes an electrically conducting substrate and a pair of transmission leads connecting electronic unit and the optical…
Multi-lens optical components
Granted: October 31, 2017
Patent Number:
9804349
This disclosure generally relates to high-speed fiber optic networks that use light signals to transmit data over a network. The disclosed subject matter includes devices and methods relating to multi-lens optical components and/or optoelectronic subassemblies. In some aspects, devices and methods relate to an optical component including a housing defining a cavity and a lens array having a plurality of lenses on an optically transmissive portion of the housing. In some aspects, devices…
Latch for communication module
Granted: October 24, 2017
Patent Number:
9798099
A communication module includes a printed circuit board, a housing including a left and right sidewall, a top and bottom panel, and a catch pin extending from the bottom panel, the housing enclosing the circuit board and configured to be inserted into and removed from the host device, and a delatch assembly slidably engaged with the bottom panel of the housing, including first and second delatch arms extending underneath the bottom panel of the housing and configured to removably engage…
SWDM OSAs
Granted: October 17, 2017
Patent Number:
9794017
In an example embodiment, an N-channel WDM OSA includes active optical devices coupled to a carrier, an optical block, and a MUX or a DEMUX. The optical block may be positioned above the active optical devices and coupled to the carrier. The optical block may include a bottom with lenses formed in the bottom that are aligned with the active optical devices; a first side that extends up from the bottom; a second side that extends up from the bottom and is opposite the first side; a port…
Thermal management structures for optoelectronic modules
Granted: October 10, 2017
Patent Number:
9788417
An example embodiment includes optoelectronic module. The optoelectronic module may include a lens assembly, a module board, heat-generating components, and a thermally conductive plate. The lens assembly may be secured to the module board. The module board may include a printed circuit board (PCB). The heat-generating components may be mounted to the PCB. The thermally conductive plate may be secured to a surface of the module board. The thermally conductive plate may define an opening…
Hermetically sealing an optical subassembly
Granted: September 26, 2017
Patent Number:
9772467
A method may include selecting a transistor-outline can (TO-can) assembly cap. The method may further include welding the TO-can assembly cap to a rim that surrounds an optical opening of an optical subassembly box (OSA) such that the TO-can assembly cap hermetically seals the optical opening and allows optical signals to pass through the TO-can assembly cap and the optical opening.
Pipelined pixel applications in liquid crystal on silicon chip
Granted: September 19, 2017
Patent Number:
9767757
An example embodiment includes a LCOS IC. The LCOS IC includes multiple pixels, a column driver, and multiple conductive lines. The pixels are arranged in a pixel array. The column driver is configured to supply multiple signals to a column of pixels included in the pixel array. Each of the conductive lines couples the column driver to a subset of pixels in the column of pixels. The conductive lines are configured such that two or more of the signals can be supplied to two or more of the…
Beam steering modulated VCSEL
Granted: September 12, 2017
Patent Number:
9762027
A VCSEL can include: an electro-optic modulator between a lasing active region and a light emitting surface. The electro-optic modulator can include: an electro-optically active region; a modulator mirror region over the electro-optically active region; and at least one electrical insulator region separating the modulator mirror region into at least two separate modulator mirror cavities electrically isolated from each other, wherein each separate modulator mirror cavity and a…
