GB2561435B - T-Shaped arrayed waveguide grating - Google Patents

T-Shaped arrayed waveguide grating Download PDF

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Publication number
GB2561435B
GB2561435B GB1802072.7A GB201802072A GB2561435B GB 2561435 B GB2561435 B GB 2561435B GB 201802072 A GB201802072 A GB 201802072A GB 2561435 B GB2561435 B GB 2561435B
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United Kingdom
Prior art keywords
waveguide grating
arrayed waveguide
shaped arrayed
shaped
grating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1802072.7A
Other versions
GB201802072D0 (en
GB2561435A (en
Inventor
Trita Andrea
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rockley Photonics Ltd
Original Assignee
Rockley Photonics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/643,399 external-priority patent/US10488589B2/en
Application filed by Rockley Photonics Ltd filed Critical Rockley Photonics Ltd
Publication of GB201802072D0 publication Critical patent/GB201802072D0/en
Publication of GB2561435A publication Critical patent/GB2561435A/en
Application granted granted Critical
Publication of GB2561435B publication Critical patent/GB2561435B/en
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
    • G02B6/12026—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the temperature dependence
    • G02B6/12028—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the temperature dependence based on a combination of materials having a different refractive index temperature dependence, i.e. the materials are used for transmitting light
GB1802072.7A 2017-02-08 2018-02-08 T-Shaped arrayed waveguide grating Active GB2561435B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762456613P 2017-02-08 2017-02-08
US15/643,399 US10488589B2 (en) 2017-02-08 2017-07-06 T-shaped arrayed waveguide grating

Publications (3)

Publication Number Publication Date
GB201802072D0 GB201802072D0 (en) 2018-03-28
GB2561435A GB2561435A (en) 2018-10-17
GB2561435B true GB2561435B (en) 2021-01-27

Family

ID=61198847

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1802072.7A Active GB2561435B (en) 2017-02-08 2018-02-08 T-Shaped arrayed waveguide grating

Country Status (1)

Country Link
GB (1) GB2561435B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115144964B (en) * 2022-07-20 2024-02-02 浙江大学 Silicon-based array waveguide grating based on Euler bending wide waveguide

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0826989A2 (en) * 1996-09-02 1998-03-04 Nippon Telegraph And Telephone Corporation Optical signal processing apparatus and optical signal processing method
US5793907A (en) * 1996-03-28 1998-08-11 The Regents Of The University Of California Method and apparatus for a wavelength selective true-time delay for an optically controlled device
US20030161579A1 (en) * 2002-02-22 2003-08-28 Ming Yan Filter response optimization for an arrayed waveguide grating device by adjusting grating optical path length at nanometer scale
EP1698922A2 (en) * 2005-03-04 2006-09-06 Lucent Technologies Inc. Colorless tunable dispersion compensator employing a planar lightwave circuit and a deformable mirror
US7382953B1 (en) * 2007-02-09 2008-06-03 Gemfire Corporation Folded AWG architecture
WO2019016603A1 (en) * 2017-07-17 2019-01-24 Rockley Photonics Limited Athermalized multi-path interference filter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793907A (en) * 1996-03-28 1998-08-11 The Regents Of The University Of California Method and apparatus for a wavelength selective true-time delay for an optically controlled device
EP0826989A2 (en) * 1996-09-02 1998-03-04 Nippon Telegraph And Telephone Corporation Optical signal processing apparatus and optical signal processing method
US20030161579A1 (en) * 2002-02-22 2003-08-28 Ming Yan Filter response optimization for an arrayed waveguide grating device by adjusting grating optical path length at nanometer scale
EP1698922A2 (en) * 2005-03-04 2006-09-06 Lucent Technologies Inc. Colorless tunable dispersion compensator employing a planar lightwave circuit and a deformable mirror
US7382953B1 (en) * 2007-02-09 2008-06-03 Gemfire Corporation Folded AWG architecture
WO2019016603A1 (en) * 2017-07-17 2019-01-24 Rockley Photonics Limited Athermalized multi-path interference filter

Also Published As

Publication number Publication date
GB201802072D0 (en) 2018-03-28
GB2561435A (en) 2018-10-17

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