Single Crystal optical parametric amplifier
Granted: May 5, 2020
Patent Number:
10642127
An apparatus for generating visible light including a laser source emitting a fundamental beam, an optically nonlinear crystal, and a seed source emitting a seed beam. The optically nonlinear crystal receives the fundamental beam. The fundamental beam propagates in the nonlinear crystal at a first phase-matching angle for second-harmonic generation. A portion of the fundamental beam is converted into a second-harmonic beam that propagates in the nonlinear crystal at the first…
Wireless transport framework with uncoded transport tunneling
Granted: March 24, 2020
Patent Number:
10601445
Wireless transport of multiple service versions of a transport framework. First and second information may be processed for transmission, respectively, according to first and second service versions of a transport framework. The first and second information may be encoded using a first type of error correction coding; after processing, the processed first information may include error correction coding according to the first type of error correction coding, while the processed second…
Enhanced polarization weighting to enable scalability in polar code bit distribution
Granted: March 17, 2020
Patent Number:
10594438
Methods and devices are described for determining reliabilities of bit positions in a bit sequence for information bit allocation using polar codes. The reliabilities are calculated using a weighted summation over a binary expansion of each bit position, wherein the summation is weighted by an exponential factor that is selected based at least in part on the coding rate of the polar code. Information bits and frozen bits are allocated to the bit positions based on the determined…
Multiprocessor programming toolkit for design reuse
Granted: March 17, 2020
Patent Number:
10592233
Techniques for specifying and implementing a software application targeted for execution on a multiprocessor array (MPA). The MPA may include a plurality of processing elements, supporting memory, and a high bandwidth interconnection network (IN), communicatively coupling the plurality of processing elements and supporting memory. In some embodiments, software code may include first program instructions executable to perform a function. In some embodiments, the software code may also…
Compact wavelength meter and laser output measurement device
Granted: March 3, 2020
Patent Number:
10578494
An apparatus includes a photonic integrated circuit (PIC) to measure an optical wavelength of a light source. The PIC includes an optical splitter, a plurality of tunable interferometers and one or more detectors. The optical splitter is coupled to the light source, and the interferometers are coupled to the optical splitter. Each interferometer receives a portion of an optical signal of the light source. One or more detectors are coupled to each interferometer, and the interferometers…
Parameterized radio waveform techniques for operating in multiple wireless environments
Granted: February 18, 2020
Patent Number:
10567981
Techniques for operating a wireless network in a plurality of radio operating environments are disclosed. In some embodiments, an apparatus receives a first parameter value set that is selected from a group of multiple parameter value sets, wherein the first parameter value set is appropriate for a first target radio operating environment that corresponds to one or more of: a first level of mobility of user devices or a first range of wireless transmission. In some embodiments, the…
Broadcast/broadband convergence network
Granted: February 18, 2020
Patent Number:
10567971
A broadcast/broadband convergence system that delivers content from content sources to user equipment devices. The system provides: significantly enhanced mobile capability to the broadcast industry; an additional revenue source for the broadcast industry by dynamically selling available spectral resources for use by wireless broadband networks and/or broadcast content off-loaded from wireless broadband networks; additional spectrum for the broadband industry through the dynamic purchase…
Method, device and installation for composing a video signal
Granted: February 18, 2020
Patent Number:
10567676
Method for composing an output video signal (So) from input video signals (Si1, Si2, Si3 . . . Sim), which include input frame sequences (Si1[n], Si2[n], Si2[n] . . . Sim[n]) with a number of pixels for each input frame associated with an input resolution (Ri1, Ri2, Ri3 . . . Rim). The method includes determining a spatial surface on a three-dimensional virtual space associated with each pixel; establishing a visualization point (X0,Y0,Z0) and a visualization window in the…
Multi-portion radio transmissions
Granted: February 11, 2020
Patent Number:
10560299
Techniques are disclosed relating to generating and receiving radio frames with multiple portions that have different encoding schemes. An apparatus may include one or more processing elements configured to receive, via a wireless radio, wireless data that includes a plurality of portions that each include multiple orthogonal frequency-division multiplexing (OFDM) symbols. Different ones of the portions have different frequency transform sizes and different sampling rates. The wireless…
Scrambling sequence design for embedding receiver ID into frozen bits for blind detection
Granted: February 11, 2020
Patent Number:
10560932
Methods and devices are described for encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on downlink control information (DCI) blind detection. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a unique identifier…
Tomographic approach to 3-D holographic refractometry
Granted: February 4, 2020
Patent Number:
10551306
A system for performing 3-dimensional (3-D) digital holographic refractometry includes a splitter to split a source light into a first light beam and a second light beam. A tomographic optical setup shines a sample with the first light beam and generates an image light beam. A detector array generates an interferogram signal in response to being simultaneously exposed to the image light beam and the second light beam.
Aberration compensated diode-laser stack
Granted: January 21, 2020
Patent Number:
10539805
Optical output beams from a vertical stack of diode-laser bars are focused by a simple focusing lens on an optical axis of the lens. The optical output beams from outlying diode-laser bars in the vertical stack are tilted with respect to the optical axis of the focusing lens such that optical output from the whole vertical stack is brought to a common focus location on the optical axis of the focusing lens.
Scrambling sequence design for multi-mode block discrimination on DCI blind detection
Granted: January 14, 2020
Patent Number:
10536305
Methods and devices are described for polar encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on control information blind detection and decoding. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a user equipment…
High power sub-400 femtosecond MOPA with solid-state power amplifier
Granted: January 14, 2020
Patent Number:
10535975
Laser-apparatus includes a fiber-MOPA arranged to deliver amplified seed optical pulses having a wavelength of about 1043 nanometers to a multi-pass ytterbium-doped yttrium aluminum garnet solid-state optical amplifier for further amplification.
Processing system with interspersed processors with multi-layer interconnection
Granted: December 31, 2019
Patent Number:
10521285
Embodiments of a multi-processor array are disclosed that may include a plurality of processors and configurable communication elements coupled together in a interspersed arrangement. Each configurable communication element may include a local memory and a plurality of routing engines. The local memory may be coupled to a subset of the plurality of processors. Each routing engine may be configured to receive one or more messages from a plurality of sources, assign each received message…
Modular ultraviolet pulsed laser-source
Granted: December 31, 2019
Patent Number:
10520789
Apparatus for generating ultraviolet (UV) pulsed laser-radiation for material-processing includes a laser-source providing infrared (IR) pulsed laser-radiation and a frequency-conversion module. A lithium tetraborate (Li2B4O7) crystal located within the frequency-conversion module converts the IR pulsed laser-radiation to UV pulsed laser-radiation by non-linear harmonic generation. The frequency-conversion module is an airtight enclosure that may be evacuated or contain a dry gas. A…
Birefringent prism for wavelength separation
Granted: November 12, 2019
Patent Number:
10474004
An optical ring-resonator converts visible wavelength radiation to ultraviolet wavelength radiation by frequency-doubling the visible wavelength radiation in an optically nonlinear crystal. The resonator includes an uncoated birefringent out-coupling prism. The visible wavelength radiation passes through faces of the prism at a Brewster-angle. Ultraviolet wavelength radiation enters the prism, is totally internally reflected, directed out of the prism at a Brewster-angle, and exits the…
Frequency-conversion crystal for femtosecond-laser pulses
Granted: October 15, 2019
Patent Number:
10444597
An optically nonlinear crystal is arranged for frequency-doubling an input pulse. The crystal has parallel facets each coated with a reflective coating. The crystal is arranged with respect to the input pulse such that the input pulse makes a plurality of forward and reverse passes between the coatings. A frequency-doubled pulse is generated on the forward passes. The input pulse and the frequency-doubled pulse propagate with different group velocities in the crystal such that temporal…
Electro-optical crystal-mounted apparatus and systems for use in laser cavities/assemblies
Granted: October 8, 2019
Patent Number:
10437084
An electro-optical crystal-mounted apparatus includes a compactly configured mounting sub-assembly, and a compactly configured position adjustment sub-assembly onto which the mounting sub-assembly is mounted. The mounting sub-assembly includes a mount including a thermally conductive and electrically insulating material, an electro-optical crystal housed within a cavity of the mount, and a layer of electrically conductive material disposed on at least a portion of the mount. The mounting…
Multimedia streams which use control information to associate audiovisual streams
Granted: September 24, 2019
Patent Number:
10425462
A system and method for wirelessly transmitting audiovisual information. A first plurality of packets including audiovisual information may be generated. A second plurality of packets including error correction coding information for the audiovisual information may be generated. Control information for associating the error correction coding information with the audiovisual information may be generated, and a third plurality of packets including the control information may also be…
