公开(公告)号：US20240319440A1

公开(公告)日：2024-09-26

申请号：US18189668

申请日：2023-03-24

申请人： Cisco Technology, Inc.

发明人： Long CHEN

IPC分类号： G02B6/136 ,  G02B6/12 ,  G02B6/132

CPC分类号： G02B6/136 ,  G02B6/12004 ,  G02B6/132 ,  G02B2006/1204 ,  G02B2006/12047 ,  G02B2006/12085 ,  G02B2006/12197

摘要： A method includes providing a sacrificial wafer, contacting the sacrificial wafer to a photonic device wafer, and bonding the sacrificial wafer to the photonic device wafer. The sacrificial wafer includes a substrate and an electro-optical material strip disposed within a dielectric matrix. The photonic device wafer includes a photonic device die, and the electro-optical material strip is disposed proximate to the photonic device die. A photonic device structure includes a photonic device wafer and a sacrificial wafer. The photonic device structure includes a device wafer substrate and a photonic device die fabricated in a device wafer dielectric layer. The sacrificial wafer includes a sacrificial wafer substrate and an electro-optical material strip embedded in a sacrificial wafer dielectric matrix. The sacrificial wafer dielectric matrix is bonded to the device wafer dielectric layer, and the electro-optical material strip is disposed proximate to the photonic device die.

公开(公告)号：US20240295694A1

公开(公告)日：2024-09-05

申请号：US18177552

申请日：2023-03-02

申请人： Cisco Technology, Inc.

发明人： Jock T. BOVINGTON ,  Mark C. NOWELL ,  Matthew J. TRAVERSO ,  Long CHEN

IPC分类号： G02B6/126 ,  G02B6/27

CPC分类号： G02B6/126 ,  G02B6/2766 ,  G02B6/2773

摘要： A system, method, and photonic chip for an optical circulator are described. The system includes a first polarization splitter, a first optical circuit, and a first controller. The first polarization splitter receives, at a first port of the first polarization splitter, a first optical signal. The first optical circuit is optically coupled to the first polarization splitter. The first optical circuit includes a first plurality of phase shifters. The first optical circuit receives, at a first port of the first optical circuit, a second optical signal. The first controller adjusts the first plurality of phase shifters such that the first optical circuit outputs the first optical signal at a second port of the first optical circuit and such that the first polarization splitter outputs the second optical signal at the first port of the first polarization splitter.

公开(公告)号：US20240272385A1

公开(公告)日：2024-08-15

申请号：US18167003

申请日：2023-02-09

申请人： Cisco Technology, Inc.

发明人： Li CHEN ,  Long CHEN ,  Norbert SCHLEPPLE ,  Aparna R. PRASAD ,  Vipulkumar K. PATEL

IPC分类号： G02B6/42

CPC分类号： G02B6/4251 ,  G02B6/4212 ,  G02B6/4214 ,  G02B6/4238

摘要： Photonic packages with underfill dam structures are described. The underfill dam structures address various underfill material location issues by controlling where an underfill material flows and which areas of the photonic package underfill material is excluded from entering.