COMMUNICATIONS MODULE INTEGRATED BOOT AND RELEASE SLIDE
Granted: April 7, 2011
Application Number:
20110081114
One embodiment includes an integrated boot and release slide having a release slide and a boot. The release slide includes a main body, a plurality of arms, and a plurality of coupling structures. The arms extend from a first end of the main body. The coupling structures extend from a second end of the main body opposite the first end. The boot is overmolded over the coupling structures of the release slide and defines a cavity configured to slidably receive a communications cable.
SIMPLIFIED AND SHORTENED PARALLEL CABLE
Granted: April 7, 2011
Application Number:
20110081119
One embodiment includes a connector comprising a connector housing, a ferrule, and a crimp ring. The connector housing has inner and outer surfaces extending between forward and rear ends of the connector housing. The inner surfaces defined a passageway extending lengthwise between the forward and rear ends. The connector housing includes at least one protrusion formed on one of the outer surfaces that is configured to engage a corresponding connector engaging structure of an alignment…
OPTICAL SUBASSEMBLY GROUNDING IN AN OPTOELECTRONIC MODULE
Granted: April 7, 2011
Application Number:
20110081120
Optical subassembly grounding in an optoelectronic module. In one example embodiment, a conductive OSA grounding gasket assembly includes a top gasket and a bottom gasket. The top gasket includes a top shell surface and a top OSA surface. The top shell surface is configured to be in direct physical contact with a conductive top shell of an optoelectronic module. The top OSA surface is configured to make direct physical contact with a conductive housing of an OSA. The bottom gasket…
LATCHING MECHANISM FOR A MODULE
Granted: April 7, 2011
Application Number:
20110080008
One embodiment includes a latching mechanism having a latch, a cam and a slider. The cam is configured to rotate about an axis of rotation. The cam is also configured to displace an end of the latch when the cam is rotated about the axis of rotation. The slider is operably connected to the cam and is configured to cause the cam to rotate about the axis of rotation. Some embodiments also include a retaining cover and a boot. The retaining cover secures a second end of the latch to a…
MULTICHANNEL TUNABLE OPTICAL DISPERSION COMPENSATOR
Granted: March 31, 2011
Application Number:
20110076023
An embodiment of the invention includes a tunable optical dispersion compensator (TODC) comprising a first beam displacer on an optical path, wherein the first beam displacer separates an optical signal into a first beam and a second beam, and one or more polarizing beam splitters on the optical path, wherein the one or more polarizing beam splitters keep the first beam and the second beam on the optical path. The TODC also comprises one or more etalons on the optical path, wherein the…
HIGH-SPEED SPECTRAL GAIN OFFSET OPTICAL TRANSMITTER
Granted: March 31, 2011
Application Number:
20110076032
In one example, a DFB laser includes a substrate, an active region, and a grating. The active region is formed above the substrate and is designed to emit light having a gain peak wavelength. The grating is formed above the active region and is designed to provide optical feedback for light having a lasing peak wavelength. The gain peak wavelength is longer than the lasing peak wavelength and a difference between the gain peak wavelength and the lasing peak wavelength at room temperature…
OPTICAL INTERLEAVER AND DEINTERLEAVER
Granted: March 24, 2011
Application Number:
20110069959
Optical interleavers and deinterleavers. In one example embodiment, an optical deinterleaver includes first, second, and third filter cells interleaved with first and second waveplates. The filter cells are configured to filter optical signals propagating on first, second, and third paths of an optical loop. The optical deinterleaver also includes a retro reflector optically coupled with the filter cells and waveplates. The retro reflector is configured to reflect the optical signals…
OPTOELECTRONIC SUBASSEMBLY WITH INTEGRAL THERMOELECTRIC COOLER DRIVER
Granted: March 17, 2011
Application Number:
20110062312
Optical subassemblies including optical transmit and receive subassemblies. The optical subassemblies comprise a housing, and first and second substrates mounted within the housing. Also disposed within the housing is a thermoelectric cooler (TEC) thermally coupled to the first substrate. An optical transmitter is mounted on the first substrate, and thermally coupled to the TEC. A TEC driver is mounted on the second substrate and electrically coupled to the TEC. In some embodiments a…
ASYMMETRICAL INTERLEAVER AND DEINTERLEAVER
Granted: March 17, 2011
Application Number:
20110064406
Asymmetrical interleavers and deinterleavers. In one example embodiment, an asymmetrical deinterleaver includes first, second, third, fourth, and fifth filter cells interleaved with first, second, third, and fourth waveplates and followed by a fifth waveplate. The filter cells are configured to filter optical signals propagating on first and second legs of an optical loop. The asymmetrical deinterleaver also includes a retro reflector optically coupled with the filter cells and…
OPTO-ISOLATOR INCLUDING A VERTICAL CAVITY SURFACE EMITTING LASER
Granted: March 10, 2011
Application Number:
20110057128
The present invention relates to opto-isolators. Opto-isolators are disclosed that include a transmitter package and a vertical VCSEL disposed within the transmitter package. The opto-isolators further include a receiver package and a photodetector disposed within the receiver package. The photodetector is optically coupled to the VCSEL and configured to receive an output optical signal generated by the VCSEL. The opto-isolators further include an alignment package configured to receive…
EFFICIENT CARRIER INJECTION IN A SEMICONDUCTOR DEVICE
Granted: March 3, 2011
Application Number:
20110049471
Semiconductor devices such as VCSELs, SELs, LEDs, and HBTs are manufactured to have a wide bandgap material near a narrow bandgap material. Electron injection is improved by an intermediate structure positioned between the wide bandgap material and the narrow bandgap material. The intermediate structure is an inflection, such as a plateau, in the ramping of the composition between the wide bandgap material and the narrow bandgap material. The intermediate structure is highly doped and…
HEAT MANAGEMENT IN AN ELECTRONIC MODULE
Granted: February 24, 2011
Application Number:
20110044006
In one example, a heat management system suitable for use in connection with an electronic module is disclosed. In a disclosed embodiment the heat management system includes a module guide configured to receive an electronic module. At least two heat sink elements are configured and arranged for movement independent of each other. At least two retention elements are configured to bias a respective heat sink element against any electronic module that is positioned within the module guide.
VERTICAL CAVITY SURFACE EMITTING LASER HAVING MULTIPLE TOP-SIDE CONTACTS
Granted: February 24, 2011
Application Number:
20110045621
A VCSEL with undoped mirrors. An essentially undoped bottom DBR mirror is formed on a substrate. A periodically doped first conduction layer region is formed on the bottom DBR mirror. The first conduction layer region is heavily doped at a location where the optical electric field is at about a minimum. An active layer, including quantum wells, is on the first conduction layer region. A periodically doped second conduction layer region is connected to the active layer. The second…
ENCRYPTED OPTOELECTRONIC MODULE
Granted: February 10, 2011
Application Number:
20110033049
Methods and systems for encrypting and decrypting data are described. An exemplary system includes an optical transceiver that includes at least one of an encryption block and a decryption block. The optical transceiver also has at least one encryption and decryption key stored at the transceiver. The encryption block receives unencrypted data and performs encryption operations on the data using the encryption and decryption key. The decryption block receives encrypted data and performs…
High Bandwidth Demodulator System And Method
Granted: January 27, 2011
Application Number:
20110019994
A method of analysing an input signal, the method including the steps of: (a) dividing a first input signal into first and second orthogonal signal polarisation components; (b) dividing a second input signal into orthogonal first and second orthogonal local polarisation components; (c) mixing the first orthogonal signal component with the second orthogonal local polarisation component to provide a first mixed signal; (d) mixing the second orthogonal signal component with the first…
INTER-TRANSCEIVER MODULE COMMUNICATION FOR OPTIMIZATION OF LINK BETWEEN TRANSCEIVERS
Granted: January 27, 2011
Application Number:
20110020007
Two or more optical transceivers coupled to each other by an optical link to optimize communication over the optical link. A first transceiver generates electrical data that represents an operational parameter for optimization. The transceiver then converts the electrical data into an optical signal and transmits the optical signal over the optical link to a second transceiver. The second transceiver recovers the electrical data from the optical signal and uses the recovered electrical…
ELECTRICAL OVERSTRESS EVENT INDICATOR ON ELECTRONIC CIRCUITRY
Granted: January 20, 2011
Application Number:
20110012739
Detecting electrical overstress events in electronic circuitry such as optical emitters. In one example embodiment, a laser includes an active area and a contact region in electrical communication with the active area. A portion of the contact region is configured to manifest a change in a visual attribute of the portion in response to exposure of the portion to an electrical overstress event.
QUANTIFYING LINK QUALITY IN AN OPTOELECTRONIC MODULE
Granted: January 13, 2011
Application Number:
20110008053
In one example embodiment, an optoelectronic module includes an optical receiver and a post-amplifier. The optical receiver is configured to receive an optical signal and generate an electrical data signal corresponding to the optical signal. The post-amplifier is electrically connected to the optical receiver and is configured to amplify the electrical data signal. The optoelectronic module further includes means for quantifying a quality of the optical signal from which the amplified…
HIGH-POWER OPTICAL BURN-IN
Granted: January 13, 2011
Application Number:
20110008917
Semiconductor lasers are aged to identify weak or flawed devices, resulting in improved reliability of the remaining devices. The lasers can be aged using a high-power optical burn-in that includes providing a high drive current to the lasers for a period of time, and maintaining the ambient temperature of the lasers at a low temperature. After the high-power optical burn-in, the output of the lasers can be measured to determine if the lasers are operating within specifications. Those…
MICROCODE CONFIGURABLE FREQUENCY CLOCK
Granted: January 13, 2011
Application Number:
20110010576
A microcode configurable frequency clock that may be used to control the speed of high speed comparison in an operational optical transceiver. The frequency clock includes a memory and a logic circuit. The memory receives microcode generated data relating to the desired speed of comparison. The logic circuit is configured to receive an input clock signal and to produce an output clock signal by frequency dividing the input signal based on the microcode generated data. The output clock is…
