Back to results
US 11,676,636 B2Granted
Scalable storage device
AssigneeSeagate Technology LLC
InventorsKevin A. Gomez, Dan Mohr, Daniel Joseph Klemme, Aditya Jain
Life of this patent
Estimating the term…
Abstract
Implementations described and claimed herein provide a high-capacity, high-bandwidth scalable storage device. The scalable storage device includes a layer stack including at least one memory layer and at least one optical control layer positioned adjacent to the memory layer. The memory layer includes a plurality of memory cells and the optical control layer is adapted to receive optically-encoded read/write signals and to effect read and write operations to the plurality of memory cells through an electrical interface.
Claims14
A storage device comprising:
- a layer stack including at least:
- a memory layer including a plurality of memory cells;
- and
- an optical control layer positioned adjacent to the memory layer in the layer stack, the optical control layer being adapted to receive and transmit optically-encoded read/write signals and effect read and write operations to the plurality of memory cells through an electrical interface;
- and
- a plurality of wave division multiplexers (WDMs) each being positioned to couple optical signals delivered by a bus waveguide to a respective optical-electrical conversion element coupled to the memory layer, the plurality of WDMs including:
- a first subset of WDMs dedicated to transporting write signals from the optical control layer to the memory layer;
- and
- a second subset of WDMs dedicated to transporting read signals from the memory layer to the optical control layer, each of the WDMs in the first subset and in the second subset being tuned for operation at a different wavelength to collectively support parallel transport of multiple read streams and multiple write streams within the bus waveguide.
6 more elements
A storage system comprising:
- a portable storage device including:
- at least one memory layer having a plurality of memory cells;
- and
- at least one optical control layer adjacent to the at least one memory layer, the optical control layer including a bus waveguide that delivers optically-encoded read/write signals to control circuitry that effects read and write operations to the plurality of memory cells through an electrical interface;
- a plurality of wave division multiplexers (WDMs) each being positioned to couple optical signals delivered by a bus waveguide to a respective optical-electrical conversion element coupled to the memory layer, the plurality of WDMs including:
- a first subset of WDMs dedicated to transporting write signals from the optical control layer to the memory layer;
- a second subset of WDMs dedicated to transporting read signals from the memory layer to the optical control layer, each of the WDMs in the first subset and in the second subset being tuned for operation at a different wavelength to collectively support parallel transport of multiple read streams and multiple write streams within the bus waveguide.
4 more elements
A storage system comprising:
- a portable storage device including:
- at least one memory layer having a plurality of memory cells;
- and
- at least one optical control layer adjacent to the at least one memory layer, the optical control layer including a bus waveguide that delivers optically-encoded read/write signals to control circuitry that effects read and write operations to the plurality of memory cells through an electrical interface;
- a dock adapted to receive the portable storage device, the dock including:
- a stack of optical input/output planes, each optical input/output plane including optical signal transport elements adapted to transport the optically-encoded read/write signals to or from an associated one of the optical control layers;
- and
- multiple separation layers each individually being interleaved between a pair of the optical input/output planes in the stack, each of the separation layers having a tunable thickness that facilitates positional adjustments to the optical input/output planes to provide for adjustable precision alignment between each of the optical input/output planes and the associated one of the optical control layers in the portable storage device.
5 more elements
Dependencies are inferred from the claim text.