JP7803564B2 - 回折格子結合器 - Google Patents

回折格子結合器

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Publication number
JP7803564B2
JP7803564B2 JP2023543744A JP2023543744A JP7803564B2 JP 7803564 B2 JP7803564 B2 JP 7803564B2 JP 2023543744 A JP2023543744 A JP 2023543744A JP 2023543744 A JP2023543744 A JP 2023543744A JP 7803564 B2 JP7803564 B2 JP 7803564B2
Authority
JP
Japan
Prior art keywords
refractive index
light
modified refractive
diffraction grating
base material
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
JP2023543744A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023026712A5 (https=
JPWO2023026712A1 (https=
Inventor
進 野田
卓也 井上
昌宏 吉田
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.)
Kyoto University NUC
Original Assignee
Kyoto University NUC
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
Application filed by Kyoto University NUC filed Critical Kyoto University NUC
Publication of JPWO2023026712A1 publication Critical patent/JPWO2023026712A1/ja
Publication of JPWO2023026712A5 publication Critical patent/JPWO2023026712A5/ja
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • 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
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/0225—Out-coupling of light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Integrated Circuits (AREA)
JP2023543744A 2021-08-24 2022-07-12 回折格子結合器 Active JP7803564B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021136313 2021-08-24
JP2021136313 2021-08-24
PCT/JP2022/027386 WO2023026712A1 (ja) 2021-08-24 2022-07-12 回折格子結合器

Publications (3)

Publication Number Publication Date
JPWO2023026712A1 JPWO2023026712A1 (https=) 2023-03-02
JPWO2023026712A5 JPWO2023026712A5 (https=) 2024-05-20
JP7803564B2 true JP7803564B2 (ja) 2026-01-21

Family

ID=85322745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543744A Active JP7803564B2 (ja) 2021-08-24 2022-07-12 回折格子結合器

Country Status (3)

Country Link
US (1) US20240369748A1 (https=)
JP (1) JP7803564B2 (https=)
WO (1) WO2023026712A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025047600A1 (ja) 2023-08-30 2025-03-06 国立大学法人京都大学 回折格子結合器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150260913A1 (en) 2012-08-17 2015-09-17 Oracle International Corporation Grating coupler for inter-chip optical coupling
US20170363931A1 (en) 2016-06-17 2017-12-21 Raymond C. Rumpf Spatially variant photonic crystal apparatus, methods, and applications
WO2018155535A1 (ja) 2017-02-24 2018-08-30 国立大学法人横浜国立大学 光偏向デバイス

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4899218B2 (ja) * 2007-08-30 2012-03-21 国立大学法人 筑波大学 ブレーズ型光結合素子及びそれを使用した光機能素子

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150260913A1 (en) 2012-08-17 2015-09-17 Oracle International Corporation Grating coupler for inter-chip optical coupling
US20170363931A1 (en) 2016-06-17 2017-12-21 Raymond C. Rumpf Spatially variant photonic crystal apparatus, methods, and applications
WO2018155535A1 (ja) 2017-02-24 2018-08-30 国立大学法人横浜国立大学 光偏向デバイス

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
J.Gelleta, et al.，フォトニック結晶レーザの結合波理論による解析ＩＩ－外部反射を用いるフォトニック結晶における光損失－ Coupled-wave analysis for photonic crystal surface-emitting lasers II-Optical loss in photonic crystals with external reflection-，＜第６３回＞応用物理学会春季学術講演会講演予稿集 ，2016年03月03日，p.1763
LIANG,Y. et al.， "Three-dimensional coupled-wave model for square-lattice photonic crystal lasers with transverse electric polarization: A general approach"，PHYSICAL REVIEW B，2011年11月22日，Vol.84，pp.195119-1 - 195119-11
MIZUTANI, A. et al.，"A grating coupler with a trapezoidal hole array for perfectly vertical light coupling between optical fibers and waveguides"，APPLIED PHYSICS EXPRESS，2017年11月21日，Vol. 10，pp.122501-1 -122501-4
前川 享平, 他，傾斜した空孔を有するフォトニック結晶構造の作製－円偏光ビームの出射に向けて－ Fabrication of Photonic-Crystal Structures with Tilted Air Holes-For Generation of Circular-Polarized Beam-，＜第６３回＞応用物理学会春季学術講演会講演予稿集 ，2016年03月03日，p.1765

Also Published As

Publication number Publication date
US20240369748A1 (en) 2024-11-07
WO2023026712A1 (ja) 2023-03-02
JPWO2023026712A1 (https=) 2023-03-02

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