发明申请
US20050100278A1 Method and apparatus for a polarization insensitive arrayed waveguide grating (AWG)
有权
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基本信息:
- 专利标题: Method and apparatus for a polarization insensitive arrayed waveguide grating (AWG)
- 专利标题(中):用于偏振不敏感阵列波导光栅(AWG)的方法和装置
- 申请号:US11016241 申请日:2004-12-17
- 公开(公告)号:US20050100278A1 公开(公告)日:2005-05-12
- 发明人: Charles Joyner , Mark Missey , Radhakrishnan Nagarajan , Fred Kish
- 申请人: Charles Joyner , Mark Missey , Radhakrishnan Nagarajan , Fred Kish
- 申请人地址: US CA Sunnyvale
- 专利权人: Infinera Corporation
- 当前专利权人: Infinera Corporation
- 当前专利权人地址: US CA Sunnyvale
- 主分类号: G02B6/34
- IPC分类号: G02B6/34 ; G02B6/42
摘要:
An arrayed waveguide grating (AWG) comprises at least two free space regions, a plurality of grating arms extending between the two space regions, a passivation layer formed over the arrayed waveguide grating and a plurality of inputs at least to one of the free space regions to receive a plurality of channel signals separated by a predetermined channel spacing. A depth of the passivation layer chosen by providing a TE to TM wavelength shift between TE and TM modes propagating through the arrayed waveguide grating being approximately less than or equal to 20% of a magnitude of the channel spacing.
摘要(中):
阵列波导光栅(AWG)包括至少两个自由空间区域,在两个空间区域之间延伸的多个光栅臂,在阵列波导光栅上形成的钝化层,以及至少一个自由空间区域 以接收由预定信道间隔分开的多个信道信号。 通过在通过阵列波导光栅传播的TE和TM模式之间提供TE到TM波长移位而选择的钝化层的深度大约小于或等于信道间隔幅度的20%。
公开/授权文献:
IPC结构图谱:
G | 物理 |
--G02 | 光学 |
----G02B | 光学元件、系统或仪器 |
------G02B6/00 | 光导;包含光导和其他光学元件(如耦合器)的装置的结构零部件 |
--------G02B6/02 | .带有包层的光导纤维 |
----------G02B6/26 | ..光耦合装置 |
------------G02B6/34 | ...利用棱镜或光栅 |