Disclosed are an optical signal communication method, and an optical signal transmission device and an optical signal reception device which perform the method. The optical signal communication method may comprise the steps of: receiving input data to be modulated into an optical signal, modulating the input data into the optical signal, and transmitting the optical signal to an optical signal reception device, wherein the optical signal includes a start pulse and an end pulse, and a time interval between the start pulse and the end pulse is determined on the basis of a data value of the input data.

Disclosed are an optical signal communication method, and an optical signal transmission device and an optical signal reception device which perform the method. The optical signal communication method may comprise the steps of: receiving input data to be modulated into an optical signal, modulating the input data into the optical signal, and transmitting the optical signal to an optical signal reception device, wherein the optical signal includes a start pulse and an end pulse, and a time interval between the start pulse and the end pulse is determined on the basis of a data value of the input data.

Disclosed herein are methods, devices, and system for beam forming and beam steering within ultra-wideband, wireless optical communication devices and systems. According to one embodiment, a free space optical (FSO) communication apparatus is disclosed. The FSO communication apparatus includes a semiconductor optical device configured to have a transient response time of less than 500 picoseconds (ps), a lens, and a first band select filter.

Disclosed herein are methods, devices, and system for beam forming and beam steering within ultra-wideband, wireless optical communication devices and systems. According to one embodiment, a free space optical (FSO) communication apparatus is disclosed. The FSO communication apparatus includes a semiconductor optical device configured to have a transient response time of less than 500 picoseconds (ps), a lens, and a first band select filter.

Systems and methods for performing operations based on LIDAR communications are described. An example device may include one or more processors and a memory coupled to the one or more processors. The memory includes instructions that, when executed by the one or more processors, cause the device to receive data associated with a modulated optical signal emitted by a transmitter of a first LIDAR device and received by a receiver of a second LIDAR device coupled to a vehicle and the device, generate a rendering of an environment of the vehicle based on information from one or more LIDAR devices coupled to the vehicle, and update the rendering based on the received data. Updating the rendering includes updating an object rendering of an object in the environment of the vehicle. The instructions further cause the device to provide the updated rendering for display on a display coupled to the vehicle.

[Problem] An optical receiver using a polarization demultiplexing technique is miniaturized.

[Solution] An optical receiver 100A for receiving a polarization multiplexed signal obtained by performing orthogonal polarization multiplexing on two optical signals. The optical receiver includes an IL 1 splitting the polarization multiplexed signal into two transmitted signals that are asymmetric in terms of a light transmission characteristic, O/Es 2a and 2b converting the transmitted signals resulting from the split into electrical signals, a downsampler 3 downsampling the electrical signals resulting from the conversion to generate low-speed digital signals, a calculator 4 calculating coefficients of a polarization separation matrix from the resultant low-speed digital signals, a level adjuster 5A adjusting, in accordance with the coefficients resulting from the calculation, signal levels of the electrical signals resulting from the conversion to generate a plurality of adjustment signals, adders 6Aa and 6Ab adding the generated adjustment signals to generate addition signals, and discriminators 7a and 7b restoring and extracting the two optical signals from the generated addition signals.

An optic signal receiver is provided that comprises an optic signal detection unit an estimation unit, and a feedback control unit to provide a detector control signal. The optic signal detection unit comprises an adaptive optic module, a mode splitting module and a signal detection module, wherein the adaptive optic module is to modify a received optic input signal under control of the detector control signal into a multi-mode optic output signal, the mode splitting module is configured to branch the multi-mode optic output signal off into multiple reduced mode optic signals and the signal detection module is configured to issue a detection signal, the signal detection module comprising a plurality of signal detection sections that are each configured to measure an intensity of a respective one of the reduced mode optic signals and to provide a respective indicator indicative of the measured intensity as a component of the detection signal. The feedback control unit is configured to minimize a difference between the detection signal and a detection reference signal with the detector control signal. The estimation unit is configured to issue a further input signal to the feedback control unit based on a model of the optic signal detection unit.

Multiple-link optical terabit terminals (MLOTT) allowing high speed data transfer rates in terabit per second range in an omnidirectional fashion are disclosed. The described terminals have multifaceted structure, provide full coverage, implement single laser or laser arrays, and single detector or detector arrays to achieve higher transmission rates. Wavelength division multiplexing schemes can also be used when implementing the disclosed terminals for higher data rates. Steerable mirrors and lenses can be implemented as part of the terminals and based on angle-of-arrival calculations performed in real time.

An information handling system includes a plurality of network nodes and a processor. The network nodes each include an optical link and a reflectometry analyzer. The reflection analyzers provide reflectometry results that each provide a characterization of physical properties of the associated optical link. The processor receives the reflectometry results, and, for each optical link, analyzes the reflectometry results to determine a fingerprint of the physical properties of the associated optical link. The processor further determines a status for each of the optical links based upon the associated fingerprints, and displays a map of the information handling system including each network node and the associated optical link, wherein the map provides an indication of the status for each of the optical links.

An information handling system includes a plurality of network nodes and a processor. The network nodes each include an optical link and a reflectometry analyzer. The reflection analyzers provide reflectometry results that each provide a characterization of physical properties of the associated optical link. The processor receives the reflectometry results, and, for each optical link, analyzes the reflectometry results to determine a fingerprint of the physical properties of the associated optical link. The processor further determines a status for each of the optical links based upon the associated fingerprints, and displays a map of the information handling system including each network node and the associated optical link, wherein the map provides an indication of the status for each of the optical links.