Abstract:
Various apparatuses, circuits, systems, and methods for optical communication are disclosed. In some implementations an optical transmitter includes an optical data port configured to engage an optical fiber. The optical transmitter also includes a plurality of lasers coupled to the optical data port and configured and arranged to transmit respective optical signals over the optical fiber via the optical data port when selected. A control circuit of the optical transmitter is configured to receive an input data signal and encode the input data signal for transmission over the optical fiber by selecting one or more of the plurality of lasers at a time. The control circuit is configured to select one or more of the plurality of lasers at a time according to one of a frequency modulation encoding algorithm or an amplitude modulation encoding algorithm.
Abstract:
Various apparatuses, circuits, systems, and methods for optical communication are disclosed. In some implementations, an apparatus includes a package substrate and f first interposer mounted on the package substrate. The apparatus also includes a logic circuit and an optical interface circuit connected to the logic circuit via the first interposer. One of the optical interface circuit or the logic circuit is mounted on the first interposer. The optical interface circuit includes a driver circuit configured to receive electronic data signals from the logic circuit. The optical interface circuit also includes an optical transmitter circuit coupled to the driver circuit and configured to output optical data signals encoding the electronic data signals.
Abstract:
An apparatus includes a plurality of programmable hardware resources and an analog-to-digital converter (ADC) disposed on an IC die. The ADC is configured to quantize values of one or more analog parameters of the IC die. The apparatus also includes a configuration control circuit configured to program the programmable hardware resources in response to a set of configuration data. The programmable hardware resources are programmed to implement a set of circuits specified by the configuration data and to connect the ADC to respective nodes of the IC die for sampling the analog parameters. The apparatus also includes an interface circuit coupled to the ADC and configured to generate a control signal based on quantized values of the one or more analog parameters from the ADC. The interface circuit outputs the control signal to a power supply coupled to a power terminal of the IC die.
Abstract:
A master-slave flip-flop implemented in an integrated circuit comprises a master latch coupled to receive data at an input; and a slave latch coupled to an output of the master latch, wherein the slave latch comprises an SEU-enhanced latch, and the master latch is not enhanced for SEU protection. A method of implementing a master-slave flip-flop in an integrated circuit is also described.
Abstract:
In an adaptation module relating generally to adaptive optical channel compensation, an analysis module is coupled to receive a first data signal and a second data signal and coupled to provide first information and second information. A comparison module is coupled to compare the first information and the second information to provide third information. An adjustment module is coupled to receive the third information to provide fourth information to compensate for distortion in the second data signal with reference to the first data signal. The second data signal is associated with a conversion of the first data signal to an optical signal for communication via an optical channel.
Abstract:
Various apparatuses, circuits, systems, and methods for optical communication are disclosed. In some implementations, an apparatus includes a package substrate and f first interposer mounted on the package substrate. The apparatus also includes a logic circuit and an optical interface circuit connected to the logic circuit via the first interposer. One of the optical interface circuit or the logic circuit is mounted on the first interposer. The optical interface circuit includes a driver circuit configured to receive electronic data signals from the logic circuit. The optical interface circuit also includes an optical transmitter circuit coupled to the driver circuit and configured to output optical data signals encoding the electronic data signals.
Abstract:
An example integrated circuit (IC) package includes: a processing system and a programmable IC disposed on a substrate, the processing system coupled to the programmable IC through interconnect of the substrate; the processing system including components coupled to a ring interconnect, the components including a processor and an interface controller. The programmable IC includes: an interface endpoint coupled to the interface controller through the interconnect; and at least one peripheral coupled to the interface endpoint and configured for communication with the ring interconnect of the processing system through the interconnect endpoint and the interface controller.
Abstract:
Various apparatuses, circuits, systems, and methods for optical communication are disclosed. In some implementations, an apparatus includes multiple lasers that input an electronic signal. Each laser encodes and outputs a respective optical data signal based on the electronic signal. Each laser has a different configuration of one or more first optical parameters. A first selection circuit selects the respective optical data signal from one of the lasers. Multiple optical components configure second optical parameters of an input optical data signal. A second selection circuit inputs the selected optical data signal from the first selection circuit and provides the selected optical data signal to one of the optical components. A third selection circuit selects the optical data signal output from the one optical component.
Abstract:
Various apparatuses, circuits, systems, and methods for optical communication are disclosed. In some implementations an optical communication device includes an optical data port configured to support an optical fiber in a fixed position. The optical communication device may further include a plurality of optical communication circuits, each oriented to communicate optical signals at a respective position of a cross section of the optical fiber connected to the optical data port and a control circuit, responsive to optical signals communicated on the optical fiber connected to the optical data port and configured to determine ones of the plurality of optical communication circuits that are misaligned with the optical fiber and disable the determined ones of the plurality of optical communication circuits.
Abstract:
Systems and methods therefor relating generally to electro-absorption modulation are disclosed. In a system thereof, a waveguide is for propagating an optical signal. A segmented electro-absorption modulator (“SEAM”) includes: a segmented anode having at least two anode segments spaced apart from one another alongside a first side of the waveguide; and a segmented cathode having at least two cathode segments spaced apart from one another alongside a second side of the waveguide corresponding to the at least two anode segments.