Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a system includes a display and an optical device. The optical device includes: an optical guiding device configured to guide light to propagate along a first direction within the optical guiding device, the light comprising multiple colors of light; an in-coupling diffractive structure configured to diffract the light to propagate in the optical guiding device; and a plurality of out-coupling diffractive structures arranged downstream of the in-coupling diffractive structure along the first direction and configured to diffract at least part of the light out of the optical guiding device along a second direction different from the first direction towards the display. Each of the plurality of out-coupling diffractive structures is configured to separate the multiple colors of light from each other while suppressing crosstalk between the multiple colors of light.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a system includes a display and a controller coupled to the display. The controller is configured to: obtain primitive data of a plurality of primitives corresponding to an object, the primitive data indicating an overlap between adjacent primitives of the plurality of primitives; generate control signals for a plurality of display elements of a display using the primitive data of the plurality of primitives; and transmit the control signals to the display to modulate the plurality of display elements of the display based on the control signals.

Abstract: A method of forming a contact structure for a silicon carbide semiconductor device, the method comprises the following steps in the following order: forming a gate structure for a transistor comprising a source region in a semiconductor layer; forming a silicide layer on the source region, wherein the silicide layer is self-aligned with the gate structure; providing a dielectric layer over the silicide layer; patterning the dielectric layer to form an opening to the silicide layer; and providing a metal in the opening to form an electric contact to the source region.

Abstract: A silicon carbide device including a trench contact structure configured to connect to a part of a transistor. The trench contact structure includes a trench having sidewalls, a silicide layer located in the trench and covering the sidewalls, and a metal contact element located in the trench and connected to the part of the transistor via the silicide layer.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, an optical device includes: a first optically diffractive component including a first diffractive structure configured to diffract a first color of light having a first incident angle at a first diffracted angle, a second optically diffractive component including a second diffractive structure configured to diffract a second color of light having a second incident angle at a second diffracted angle, a first reflective layer configured to totally reflect the first color of light having the first incident angle and transmit the second color of light, and a second reflective layer configured to totally reflect the second color of light having the second incident angle. The first reflective layer is between the first and second diffractive structures, and the second diffractive structure is between the first and second reflective layers.

Abstract: A processing device including a first cache is coupled to a system memory and a parallel processing unit (PPU) including a second cache. An operation to modify cache lines of the second cache associated with a first aperture of the system memory is received. A first subset of cache lines of the second cache is identified. The first subset of cache lines is associated with the first aperture of the system memory and is different from a second subset of cache lines of a second aperture of the system memory. The first subset of cache lines is modified as specified by the cache operation.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a system includes a display and an optical device. The optical device includes: an optical guiding device configured to guide light to propagate along a first direction within the optical guiding device, the light comprising multiple colors of light; an in-coupling diffractive structure configured to diffract the light to propagate in the optical guiding device; and a plurality of out-coupling diffractive structures arranged downstream of the in-coupling diffractive structure along the first direction and configured to diffract at least part of the light out of the optical guiding device along a second direction different from the first direction towards the display. Each of the plurality of out-coupling diffractive structures is configured to separate the multiple colors of light from each other while suppressing crosstalk between the multiple colors of light.

Abstract: A processing device including a first cache is coupled to a system memory and a parallel processing unit (PPU) including a second cache. An operation to modify cache lines of the second cache associated with a first aperture of the system memory is received. A first subset of cache lines of the second cache is identified. The first subset of cache lines is associated with the first aperture of the system memory and is different from a second subset of cache lines of a second aperture of the system memory. The first subset of cache lines is modified as specified by the cache operation.

Abstract: A processing device including a first cache is coupled to a system memory and a parallel processing unit (PPU) including a second cache. An operation to modify cache lines of the second cache associated with a first aperture of the system memory is received. A first subset of cache lines of the second cache is identified. The first subset of cache lines is associated with the first aperture of the system memory and is different from a second subset of cache lines of a second aperture of the system memory. The first subset of cache lines is modified as specified by the cache operation.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a system includes a display and a controller coupled to the display. The controller is configured to: obtain primitive data of a plurality of primitives corresponding to an object, the primitive data indicating an overlap between adjacent primitives of the plurality of primitives; generate control signals for a plurality of display elements of a display using the primitive data of the plurality of primitives; and transmit the control signals to the display to modulate the plurality of display elements of the display based on the control signals.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a system includes a display and a controller coupled to the display. The controller is configured to: obtain primitive data of a plurality of primitives corresponding to an object, the primitive data indicating an overlap between adjacent primitives of the plurality of primitives; generate control signals for a plurality of display elements of a display using the primitive data of the plurality of primitives; and transmit the control signals to the display to modulate the plurality of display elements of the display based on the control signals.

Abstract: The hybrid tractor/trailer system includes a tractor and a trailer connected to the tractor at a trailer connection. The hybrid tractor/trailer system also includes a battery system, the battery system mechanically connected to the trailer. The hybrid tractor/trailer system further includes a motor controller, wherein the motor controller is in electrical communication with the battery system and an electric motor, the motor in electrical communication with the motor controller. In addition, the hybrid tractor/trailer system includes a gearbox, the gearbox in mechanical communication with the motor and an axle, the axle in mechanical communication with the motor.

Abstract: Methods, apparatus, devices, subsystems, and systems related to irregular devices and methods for designing and fabricating the irregular devices are provided. In one aspect, a device includes: a backplane comprising a plurality of circuits and a plurality of elements arranged on the backplane. Each of the plurality of elements includes a metallic electrode. Each of the metallic electrodes is coupled to a respective circuit of the plurality of circuits in the backplane through a corresponding via of a plurality of vias, and a position relationship between the metallic electrode and the corresponding via satisfies one or more criteria.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a method includes: obtaining primitive data of a plurality of primitives corresponding to an object, and adjusting the primitive data of the plurality of primitives to generate a gap between adjacent primitives of the plurality of primitives.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a system includes: a display having a plurality of display elements and a driving device coupled to the driving device and configured to: obtain a hologram for the display, wherein the hologram comprises, for each display element of the plurality of display elements, a respective sum of electromagnetic (EM) field contributions of a plurality of primitives corresponding to at least one object to the display element; and generate, for each display element of the plurality of display elements, a respective modulation control signal based on the respective sum of EM field contributions of the plurality of primitives to the display element.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, an optical device includes: an optical guiding device configured to guide light to propagate along a first direction within the optical guiding device, the light including multiple colors of light; an in-coupling diffractive structure configured to diffract the light to propagate in the optical guiding device; and a plurality of out-coupling diffractive structures arranged downstream of the in-coupling diffractive structure along the first direction and configured to diffract at least part of the light out of the optical guiding device along a second direction different from the first direction. The optical device can be configured for at least one of: color crosstalk suppression among the multiple colors of light, display zero order light suppression, dispersion compensation, or ambient light blocking.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a device includes a plurality of elements arranged in rows and columns and a controller coupled to the plurality of elements, the controller comprising a plurality of driving circuits and a plurality of row scanners. Each of the plurality of elements is coupled to a respective driving circuit of the plurality of driving circuits. The plurality of row scanners include a row scanner having a series of selectors that are arranged in a column between two adjacent columns of elements, each selector of the series of selectors being configured to select a corresponding row of elements through corresponding driving circuits coupled to the corresponding row of elements.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. A system includes a display and a controller. The display includes: a backplane having a plurality of circuits and a plurality of display elements arranged on the backplane. The plurality of display elements form an irregular pattern. Each of the plurality of display elements is coupled to a respective circuit of the plurality of circuits. The controller is coupled to the display and configured to transmit at least one control signal to at least one display element of the display for modulating at least one property of the at least one display element.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a device includes: an optical guiding device configured to guide light to propagate along a first direction within the optical guiding device, an in-coupling diffractive structure configured to diffract the light to propagate in the optical guiding device, and one or more out-coupling diffractive structures arranged downstream the in-coupling diffractive structure along the first direction and configured to diffract at least part of the light out of the optical guiding device along a second, different direction. The in-coupling diffractive structure is configured to cause a first optical dispersion for the light, and at least one out-coupling diffractive structure is configured to cause a second optical dispersion for the light.

Abstract: Methods, apparatus, devices, subsystems, and systems for holographically displaying three-dimensional objects are provided. In one aspect, a device includes at least one processor and at least one memory coupled to the at least one processor and having instructions executable by the at least one processor to perform operations including: obtaining primitive data of a plurality of primitives corresponding to at least one object based on information of the plurality of primitives, the information of the plurality of primitives comprising respective primitive identifiers of the plurality of primitives; for each primitive of the plurality of primitives, determining an electromagnetic (EM) field contribution to each of a plurality of display elements of a display based on primitive data of the primitive; and for each of the plurality of display elements of the display, generating a sum of the EM field contributions of the plurality of primitives to the display element.