IP Library Granted Patent US 12,041,397
Granted Patent B1
US 12,041,397 · App. 17/896,668 · Granted Jul 16, 2024

Switch

Inventors: Christopher Doerr (Middletown, NJ); Benny Mikkelsen (Newton, MA); Ian Dedic (London, GB); John LoMedico (Boston, MA); Song Jiang (Watchung, NJ)
Assignee: Acacia Communications, Inc.
H04Q11/0005G02B6/421G02B6/4269G02B6/4292H01L25/18H04B10/25H04Q2011/0039
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Quick Facts
Patent No.
US 12,041,397
App. No.
17/896,668
Granted
Jul 16, 2024
Kind
B1
Abstract

An apparatus and system, including a switch; and a set of tiles; wherein each of the set of tiles include a PIC die, a DSP die, a driver die, and a TIA die and methods thereto.

Claims (21)

1. An apparatus comprising:

a switch comprising a plurality of optical components; and

a set of tiles; wherein the set of tiles comprises a PIC die, a DSP die, a driver die, and a TIA die, wherein one or more of the dies has a backside, wherein the backside of one or more dies is exposed to dissipate heat, wherein one or more of the dies is flip chip bonded, wherein further comprising an XSR SERDES interface, the XSR SERDES interface in electrical communication with the switch and one or more of the tiles of the set of tiles.

2. The apparatus of claim 1 , wherein each tile is enabled to be mounted on a same substrate as the switch by a socket, and wherein each tile may be replaced.

3. The apparatus of claim 2 , wherein each tile of the set of tiles has a substrate and wherein the DSP is flip chip bonded to the substrate; wherein each tile of the set of tiles has a PIC; wherein the PIC is wire bonded to the substrate.

4. The apparatus of claim 1 , wherein each tile of the set of tiles has a short fiber jumper enabling a multi-fiber connection.

5. The apparatus of claim 1 , wherein the set of tiles has 16 tiles.

6. The apparatus of claim 1 , wherein each tile of the set of tiles converts optical signals to electrical signals and converts electrical signals to optical signals.

7. The apparatus of claim 4 , wherein short means less than 6 cm.

8. The apparatus of claim 1 , wherein each tile of the set of tiles has a short fiber connect optically connecting the tile to an MPO connector.

9. The apparatus of claim 1 , wherein each tile of the set of tiles are connected to the switch by a socket.

10. The apparatus of claim 1 , wherein the DSP is mounted to a substrate on the tile.

11. The apparatus of claim 10 , wherein the PIC is mounted to a substrate on the tile.

12. The apparatus of claim 11 , wherein the TIA die is mounted on the PIC.

13. The apparatus of claim 12 , wherein a thermal interface material is thermally connected to the backsides of the driver, DSP, and TIA die.

14. The apparatus of claim 13 , wherein the DSP is mounted to a substrate on the tile and a thermally connected material is thermally connected to a top of the DSP.

15. The apparatus of claim 14 , wherein the tile further includes a heat sink; wherein the heat sink is thermally connected to the thermal interface material connected to the top of the TIA; wherein the heat sink is thermally connected to the thermal interface material thermally connected to the top of the TIA die.

16. The apparatus of claim 15 , wherein a thermally connected material is connected to a top of the heat sink of the tile.

17. The apparatus of claim 16 , wherein the switch includes a lid, wherein the lid is thermally connected to a heat sink of each tile of the set of tiles.

18. The apparatus of claim 1 , wherein one or more tiles comprises two driver dies and two TIA dies.

19. The apparatus of claim 1 , wherein the plurality of optical components are coherent optical components.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2024
From: ACACIA COMMUNICATIONS, INC.
To: ACACIA TECHNOLOGY, INC.
Reel/Frame 066832/0659 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 26, 2022
From: DOERR, CHRISTOPHER; MIKKELSEN, BENNY; DEDIC, IAN; LOMEDICO, JOHN; JIANG, SONG
To: ACACIA COMMUNICATIONS, INC.
Reel/Frame 060914/0617 →
Continuity (2)
Continuation 16938721 · Jul 24, 2020
Provisional Application 62879095 · Jul 26, 2019