公开(公告)号：US11079232B2

公开(公告)日：2021-08-03

申请号：US16511152

申请日：2019-07-15

Applicant: STMicroelectronics S.r.l.

Inventor： Antonio Fincato ,  Enrico Stefano Temporiti Milani ,  Maurizio Zuffada ,  Angelica Simbula

IPC: G01C19/72

Abstract: A device includes an optical resonator having four ports including a first port, a second port, a third port, and a fourth port. A first electronic circuit is configured to calculate a first information representative of a power difference between optical signals supplied by two of the four ports. A method of operating a device is also disclosed.

公开(公告)号：US20200025569A1

公开(公告)日：2020-01-23

申请号：US16511152

申请日：2019-07-15

Applicant: STMicroelectronics S.r.l.

Inventor： Antonio Fincato ,  Enrico Stefano Temporiti Milani ,  Maurizio Zuffada ,  Angelica Simbula

IPC: G01C19/72

Abstract: A device includes an optical resonator having four ports including a first port, a second port, a third port, and a fourth port. A first electronic circuit is configured to calculate a first information representative of a power difference between optical signals supplied by two of the four ports. A method of operating a device is also disclosed.