公开(公告)号：US20170317471A1

公开(公告)日：2017-11-02

申请号：US15522210

申请日：2015-11-06

Applicant: Agency for Science, Technology and Research

Inventor： Ter-hoe Lor ,  Qian Wang ,  Vivek Krishnamurthy

IPC: H01S5/12 ,  H01S5/22 ,  H01S5/125 ,  H01S5/10 ,  H01S5/343 ,  H01S5/02

CPC classification number: H01S5/1237 ,  G02B6/1228 ,  G02B6/124 ,  G02B6/14 ,  G02B2006/12061 ,  G02B2006/12097 ,  G02B2006/12107 ,  G02B2006/12121 ,  G02B2006/12195 ,  H01S5/0085 ,  H01S5/021 ,  H01S5/0422 ,  H01S5/1014 ,  H01S5/1032 ,  H01S5/1039 ,  H01S5/124 ,  H01S5/125 ,  H01S5/22 ,  H01S5/34306 ,  H01S5/4012 ,  H01S5/4087

Abstract: According to various embodiments, there is provided an optical device including a first waveguide configured to guide a light wave along a longitudinal axis; a first grating at least partially formed in the first waveguide, the first grating arranged away from the longitudinal axis in a first direction; and a second grating at least partially formed in the first waveguide, the second grating arranged away from the longitudinal axis in a second direction; wherein the second direction is different from the first direction.