Opto-Electronic Chiplets for Scalable Coherent Interconnects to Zero-Change VLSI Electronics
OwnerDirk Robert ENGLUND, Christopher Louis Panuski +1inventors
InventorsDirk Robert ENGLUND, Christopher Louis Panuski, Hugo Larocque
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Abstract
Optical chiplets can be mounted to zero-change VLSI chips to form an integrated electro-optical device. Control signals for controlling active optical devices on the optical chiplets can be provided from the VLSI chip and coupled to the active optical devices on the optical chiplets. The technology provides small-area, low-energy, RF optical interfaces for VLSI chips.
Claims20
An integrated electro-optical device comprising:
- a very large scale integrated (VLSI) chip comprising a semiconductor substrate and a plurality of integrated circuit (IC) devices, the VLSI chip further comprising a microelectronic interconnection formed on a first side of the VLSI chip;
- and
- an optical chiplet comprising an active optical device, wherein:
- the optical chiplet is mounted to the VLSI chip such that the active optical device is adjacent to the first side of the VLSI chip, and
- a control signal provided from the VLSI chip to the microelectronic interconnection, when the integrated electro-optical device is operating, couples to the active optical device and controls the active optical device on the optical chiplet.
A method of controlling an active optical device that is formed in an integrated electro-optical device, the integrated electro-optical device comprising:
- a very large scale integrated (VLSI) chip comprising a semiconductor substrate and a plurality of integrated circuit (IC) devices, the VLSI chip further comprising a microelectronic interconnection formed on a first side of the VLSI chip;
- and
- an optical chiplet comprising the active optical device, wherein the optical chiplet is mounted to the VLSI chip such that the active optical device is adjacent to the first side of the VLSI chip, the method comprising:
- providing a control signal from the VLSI chip to the microelectronic interconnection such that the control signal couples to and controls the active optical device on the optical chiplet.
A method of making an integrated electro-optical device, the method comprising:
- aligning an active optical device, formed on an optical chiplet, with a microelectronic interconnection formed on a first side of a VLSI chip, the VLSI chip comprising a semiconductor substrate and a plurality of IC devices;
- and
- mounting the optical chiplet to the first side of the VLSI chip such that:
- the active optical device is adjacent to the microelectronic interconnection;
- and
- a control signal provided from the VLSI chip to the microelectronic interconnection, when the integrated electro-optical device is operating, couples to the active optical device and controls the active optical device on the optical chiplet.
Dependencies are inferred from the claim text.