Glass interposer optical resonator device and method

Patent metadata

Field	Value
Publication number	US-12306480-B2
Application number	US-202117470652-A
Country	US
Kind code	B2
Filing date	Sep 9, 2021
Priority date	Sep 9, 2021
Publication date	May 20, 2025
Grant date	May 20, 2025

Abstract

An electro-optical system having one or more electro-optical devices integrally formed within a substrate and associated methods are disclosed. An electro-optical system including an electro-optic switch is shown. An electro-optical system including an electro-optic modulator is shown. An electro-optical system including an optical resonator is shown.

First claim

The invention claimed is:

1. An electro-optic system, comprising:
a photonic die;
a glass interposer coupled to the photonic die;
an optical fiber connector coupled to the glass interposer, and an optical resonator integrated with the glass interposer and coupled between the optical fiber connector and the photonic die, wherein:
the photonic die is paired with a semiconductor die in a chip sub-assembly; and
the photonic die and semiconductor die are coupled together by a bridge die located beneath both the photonic die and the semiconductor die.

2. The electro-optic system of claim 1 , wherein the optical resonator includes a cavity in the glass interposer and a pair of partially reflective mirrors.

3. The electro-optic system of claim 1 , wherein the optical resonator includes a rare earth material region and a pair of partially reflective mirrors.

4. The electro-optic system of claim 3 , wherein the rare earth material region includes Er3+ dopant in the glass interposer.

5. The electro-optic system of claim 1 , wherein the photonic die is recessed within a cavity in the glass interposer to align with at least one waveguide formed in the glass interposer.

6. The electro-optic system of claim 1 , wherein multiple optical resonators are coupled in series, and integrated with the glass interposer and coupled between the optical fiber connector and the photonic die.

7. The electro-optic system of claim 1 , further including a wavelength multiplexer between the optical fiber connector and the photonic die with multiple waveguides multiplexed to a single optical fiber.

8. The electro-optic system of claim 7 , wherein each of the multiple waveguides includes a respective optical resonator.

9. A computing system, comprising:
a device housing;
an electro-optic system within the device housing, the electro-optic system comprising:
a photonic die;
a glass interposer coupled to the photonic die;
an optical fiber connector coupled to the glass interposer, and an optical resonator integrated with the glass interposer and coupled between the optical fiber connector and the photonic die, wherein:
the photonic die is paired with a semiconductor die in a chip sub-assembly; and
the photonic die and semiconductor die are coupled together by a bridge die located beneath both the photonic die and the semiconductor die; and

one or more memory dies coupled to the electro-optic system.

10. The computing system of claim 9 , further including an antenna.

11. The computing system of claim 9 , wherein the device housing includes a server device housing.

12. The computing system of claim 9 , wherein the photonic die is paired with a semiconductor die in a chip sub-assembly.

13. The computing system of claim 9 , wherein the photonic die is recessed within a cavity in the glass interposer to align with at least one waveguide formed in the glass interposer.

14. The computing system of claim 9 , wherein multiple optical resonators are coupled in series, and integrated with the glass interposer and coupled between the optical fiber connector and the photonic die.

15. The computing system of claim 9 , further including a wavelength multiplexer between the optical fiber connector and the photonic die with multiple waveguides multiplexed to a single optical fiber.

Assignees

• Intel Corp

Inventors

• Tanaka Hiroki
• Marin Brandon C
• Darmawikarta Kristof
• Pietambaram Srinivas Venkata Ramanuja
• Ecton Jeremy D
• Ranjan Rajeev

Classifications

• G02F1/0311 Primary

  Structural association of optical elements, e.g. lenses, polarizers, phase plates, with the crystal · CPC title

• G02F1/035 Primary

  in an optical waveguide structure · CPC title