公开(公告)号：US10281328B2

公开(公告)日：2019-05-07

申请号：US15989386

申请日：2018-05-25

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IMEC VZW

Inventor： Dongho Kim ,  Jeonghwan Song

IPC: G01J3/18 ,  G02B5/18 ,  G02B6/124 ,  G02B6/293 ,  G02B6/02

Abstract: Provided are a Bragg grating and a spectroscopy device including the same. The Bragg grating is disposed at each of opposite ends of a resonator for reflecting light of a certain wavelength band and includes a core member extending from a waveguide of the resonator in a lengthwise direction of the waveguide; a plurality of first refractive members protruding from the core member and spaced apart from each other along the lengthwise direction; and a second refractive member filling spaces between the first refractive members and having a refractive index different from a refractive index of the first refractive members.

公开(公告)号：US20240210318A1

公开(公告)日：2024-06-27

申请号：US18516527

申请日：2023-11-21

Applicant: IMEC VZW

Inventor： Roelof Jansen ,  Jeonghwan Song

IPC: G01N21/64 ,  G01N33/542

CPC classification number: G01N21/6428 ,  G01N33/542

Abstract: Example embodiments relate to alignment-tolerant photonic sensing systems. An example sensing system includes an illumination module for delivery of a light beam. The sensing system also includes a cartridge that includes a photonic sensor chip having a length axis and a width axis. The photonic sensor chip includes a plurality of grating couplers in a first areal portion of the photonic sensor chip. The photonic sensor chip also includes a plurality of sensing sites. Additionally, the photonic sensor chip includes waveguides connecting each grating coupler to a respective sensing site or group of sensing sites of the plurality of sensing sites. Further, the sensing system includes a cartridge holder for releasably receiving and locking the cartridge into a sensing position. The photonic sensor chip is aligned relative to the illumination module up to permitted alignment tolerances when the cartridge is locked into the sensing position.

公开(公告)号：US20230194780A1

公开(公告)日：2023-06-22

申请号：US18066041

申请日：2022-12-14

Applicant: IMEC VZW

Inventor： Jeonghwan Song ,  Marcus Dahlem

IPC: G02B6/12 ,  G02B6/124

CPC classification number: G02B6/12007 ,  G02B6/124 ,  G02B2006/12104 ,  G02B2006/12164 ,  G02B2006/12159 ,  G02B2006/1209

Abstract: An integrated optical structure for multiplexing and/or demultiplexing an optical signal comprises a main waveguide having two parallel side surfaces, a first waveguide which meets the main waveguide at a first region on one of the two side surfaces, and a plurality of second waveguides which meet the main waveguide at a second region on one of the two side surfaces. The second region is spaced at a determined distance from the first region. The two side surfaces are arranged at a first angle relative to an extension direction of the first waveguide and a second angle relative to extension directions of the plurality of second waveguides. The optical structure further comprises one or more waveguide extension structures. Each waveguide extension structure is arranged adjacent to one of the two side surfaces of the main waveguide at a region that is different to the first and the second region.

公开(公告)号：US10012539B2

公开(公告)日：2018-07-03

申请号：US15208953

申请日：2016-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IMEC VZW

Inventor： Dongho Kim ,  Jeonghwan Song

IPC: G02B6/124 ,  G01J3/18 ,  G02B6/293 ,  G02B5/18

CPC classification number: G01J3/1895 ,  G01J2003/1847 ,  G02B5/1861 ,  G02B6/02076 ,  G02B6/124 ,  G02B6/29316 ,  G02B6/29328 ,  G02B6/29356 ,  G02B6/29389

Abstract: Provided are a Bragg grating and a spectroscopy device including the same. The Bragg grating is disposed at each of opposite ends of a resonator for reflecting light of a certain wavelength band and includes a core member extending from a waveguide of the resonator in a lengthwise direction of the waveguide; a plurality of first refractive members protruding from the core member and spaced apart from each other along the lengthwise direction; and a second refractive member filling spaces between the first refractive members and having a refractive index different from a refractive index of the first refractive members.