US 12,294,409 B2
Silicon optical chip with integrated antenna array
Sheng Su, Ningbo (CN); Fan Yang, Ningbo (CN); and Qikun Huang, Ningbo (CN)
Assigned to Global Technology Inc., Ningbo (CN)
Filed by Global Technology Inc., Ningbo (CN)
Filed on Mar. 24, 2023, as Appl. No. 18/125,968.
Claims priority of application No. 202211224890.5 (CN), filed on Oct. 9, 2022.
Prior Publication US 2024/0120998 A1, Apr. 11, 2024
Int. Cl. H04B 10/11 (2013.01); H01Q 21/06 (2006.01); H04B 10/50 (2013.01); H04J 14/02 (2006.01)
CPC H04B 10/11 (2013.01) [H01Q 21/06 (2013.01); H04B 10/504 (2013.01); H04J 14/0307 (2023.08)] 6 Claims
OG exemplary drawing
 
1. A silicon optical chip with integrated antenna array, comprising:
a first wavelength division multiplexer configured to receive a first optical signal with a plurality of wavelengths and to divide the first optical signal into a plurality of first wavelength division optical signals;
a second wavelength division multiplexer configured to integrate a plurality of second wavelength division optical signals into a second optical signal;
an antenna array comprising a plurality of antennas;
a plurality of photodiodes signally connected to the first wavelength division multiplexer and configured to transform the plurality of first wavelength division optical signals into a plurality of first radio frequency signals;
a plurality of first amplifiers electrically connected to the plurality of photodiodes and the antenna array, and configured to amplify the plurality of first radio frequency signals and output the plurality of first radio frequency signals that are amplified through the antenna array, wherein the plurality of first amplifiers comprise a plurality of trans-impedance amplifiers and a plurality of power amplifiers, the plurality of trans-impedance amplifiers are connected to the plurality of photodiodes, wherein the plurality of trans-impedance amplifiers comprise a digital trans-impedance amplifier and an analog trans-impedance amplifier, and the plurality of power amplifiers are connected to the plurality of trans-impedance amplifiers and the antenna array;
a plurality of second amplifiers electrically connected to the antenna array, and configured to receive a plurality of second radio frequency signals through the antenna array and to amplify the plurality of second radio frequency signals, wherein the plurality of second amplifiers comprise a plurality of low-noise amplifiers; and
a plurality of electro-optical modulators signally connected to the plurality of second amplifiers and the second wavelength division multiplexer, and configured to transform the plurality of second radio frequency signals that are amplified into the plurality of second wavelength division signals and output the plurality of second wavelength division signals to the second wavelength division multiplexer.