公开(公告)号：US20190089476A1

公开(公告)日：2019-03-21

申请号：US16192032

申请日：2018-11-15

Applicant: Infinera Corporation

Inventor： Fred A. Kish, JR. ,  Michael Reffle ,  Jeffrey T. Rahn ,  John Osenbach ,  Timothy Butrie ,  Xiaofeng Han ,  Mark Missey ,  Mehrdad Ziari ,  Peter w. Evans

IPC: H04J14/02 ,  H04B10/50 ,  H04B10/079

Abstract: Consistent with the present disclosure, a photonic integrated circuit (PIC) is provided that has 2 N channels (N being an integer). The PIC is optically coupled to N optical fibers, such that each of N polarization multiplexed optical signals are transmitted over a respective one of the N optical fibers. In another example, each of the N optical fibers supply a respective one of N polarization multiplexed optical signals to the PIC for coherent detection and processing. A multiplexer and demultiplexer may be omitted from the PIC, such that the optical signals are not combined on the PIC. As a result, the transmitted and received optical signals incur less loss and amplified spontaneous emission (ASE) noise. In addition, optical taps may be more readily employed on the PIC to measure outputs of the lasers, such as widely tunable lasers (WTLs), without crossing waveguides.

公开(公告)号：US20190081724A1

公开(公告)日：2019-03-14

申请号：US16189074

申请日：2018-11-13

Applicant: Infinera Corporation

Inventor： Jeffrey T. Rahn ,  Fred A. Kish ,  Michael Reffle ,  Peter W. Evans ,  Vikrant Lal

IPC: H04J14/02 ,  H04B10/50 ,  H04B10/079

Abstract: Consistent with the present disclosure, a photonic integrated circuit (PIC) is provided that has 2 N channels (N being an integer). The PIC is optically coupled to N optical fibers, such that each of N polarization multiplexed optical signals are transmitted over a respective one of the N optical fibers. In another example, each of the N optical fibers supply a respective one of N polarization multiplexed optical signals to the PIC for coherent detection and processing. A multiplexer and demultiplexer may be omitted from the PIC, such that the optical signals are not combined on the PIC. As a result, the transmitted and received optical signals incur less loss and amplified spontaneous emission (ASE) noise. In addition, optical taps may be more readily employed on the PIC to measure outputs of the lasers, such as widely tunable lasers (WTLs), without crossing waveguides

公开(公告)号：US20160178861A1

公开(公告)日：2016-06-23

申请号：US14689571

申请日：2015-04-17

Applicant: Infinera Corporation

Inventor： John W. OSENBACH ,  Timothy Butrie ,  Fred A. Kish, JR. ,  Michael Reffle

IPC: G02B6/42 ,  G02B6/13 ,  G02B6/12

CPC classification number: G02B6/4251 ,  G02B6/12004 ,  G02B6/13 ,  G02B6/136 ,  G02B6/4215 ,  G02B6/4219 ,  G02B6/423 ,  G02B6/4257 ,  G02B6/4273 ,  G02B6/4274 ,  G02B2006/12035 ,  G02B2006/12061 ,  G02B2006/12078

Abstract: A device may include a first substrate. The device may include an optical source. The optical source may generate light when a voltage or current is applied to the optical source. The optical source may be being provided on a first region of the first substrate. The device may include a second substrate. A second region of the second substrate may form a cavity with the first region of the first substrate. The optical source may extend into the cavity. The device may include an optical interconnect. The optical interconnect may be provided on or in the second substrate and outside the cavity. The optical interconnect may be configured to receive the light from the optical source.

Abstract translation: 器件可以包括第一衬底。 该装置可以包括光源。 当向光源施加电压或电流时，光源可以产生光。 光源可以设置在第一基板的第一区域上。 该装置可以包括第二基板。 第二基板的第二区域可以与第一基板的第一区域形成空腔。 光源可以延伸到空腔中。 该装置可以包括光学互连。 光学互连可以设置在第二基板上或第二基板中并且在空腔外部。 光学互连可以被配置为接收来自光源的光。