公开(公告)号：US20240219631A1

公开(公告)日：2024-07-04

申请号：US18608568

申请日：2024-03-18

Applicant: Shanghai Jiao Tong University

Inventor： Liangjun LU ,  Ziheng NI ,  Linjie ZHOU ,  Jianping CHEN ,  Jiao LIU

IPC: G02B6/12 ,  G01S7/481 ,  G01S17/02

CPC classification number: G02B6/12011 ,  G01S7/4818 ,  G01S17/02 ,  G02B6/12004

Abstract: A silicon-based reconfigurable microwave photonic multi-beam forming network chip comprises an optical fiber coupler, an optical switch array, an optical divider, an ultra-wideband continuously adjustable optical true delay line array and a detector array; the optical fiber coupler is configured for inputting a single-sideband modulated optical signal of a microwave photonic phased array radar; the optical switch array and optical divider are configured for forming the reconstruction of the number of array elements used for a microwave photonic multi-beam and a microwave photonic single-beam; the ultra-wideband continuously adjustable optical true delay line array is configured for independently adjusting the delay on each microwave array element; and the detector array is configured for outputting a microwave signal. The chip provides large instantaneous bandwidth, high resolution, and reconfigurable microwave photonic multi-beam forming for the microwave photonic phased array radar.