JP2020166053A - 光変調器 - Google Patents
光変調器 Download PDFInfo
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- JP2020166053A JP2020166053A JP2019064447A JP2019064447A JP2020166053A JP 2020166053 A JP2020166053 A JP 2020166053A JP 2019064447 A JP2019064447 A JP 2019064447A JP 2019064447 A JP2019064447 A JP 2019064447A JP 2020166053 A JP2020166053 A JP 2020166053A
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- substrate
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- electrode
- modulation
- optical waveguide
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/035—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect in an optical waveguide structure
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/212—Mach-Zehnder type
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/20—LiNbO3, LiTaO3
Abstract
Description
前記接地電極と前記基板との間に前記樹脂が配設される場合には、前記樹脂の幅が前記接地電極の幅の1/2以下に設定されることを特徴とする。
2a〜2c 分岐部
3a〜3c 合成部
5 基板
6 リブ部
7 補強基板
8 樹脂
10 光導波路
11 電界
G、G1、G2 接地電極
S 信号電極
Claims (12)
- 電気光学効果を有する基板と、
前記基板に形成された光導波路と、
前記基板上に設けられており、前記光導波路を伝搬する光波を変調する変調電極と、を備える光変調器であって、
前記変調電極の底面の一部と、前記変調電極の底面の一部に対向する前記基板との間に、樹脂が配設されていることを特徴とする光変調器。 - 前記変調電極が前記光導波路の一部に沿って配置された信号電極および接地電極からなり、前記信号電極および前記接地電極の少なくとも一方の底面の一部と、前記信号電極および前記接地電極の少なくとも一方に対向する前記基板との間に、前記樹脂が配設されていることを特徴とする請求項1に記載の光変調器。
- 前記信号電極と前記基板との間に前記樹脂が配設される場合には、前記樹脂の幅が前記信号電極の幅の1/3以下に設定され、
前記接地電極と前記基板との間に前記樹脂が配設される場合には、前記樹脂の幅が前記接地電極の幅の1/2以下に設定されることを特徴とする請求項2に記載の光変調器。 - 前記変調電極内に前記樹脂が配設されていることを特徴とする請求項1から3のいずれか1つに記載の光変調器。
- 前記変調電極と前記基板との接触面が前記光導波路に対して左右対称となるように前記樹脂が配設されていることを特徴とする請求項1から4のいずれか1つに記載の光変調器。
- 前記変調電極の底面と前記基板との接触面が前記光導波路の近位側に配置されるように前記樹脂が配設されていることを特徴とする請求項1から5のいずれか1つに記載の光変調器。
- 前記樹脂の厚さが1.0μm以上であることを特徴とする請求項1から6のいずれか1つに記載の光変調器。
- 前記樹脂は、熱可塑性樹脂および熱硬化性樹脂のいずれか一方であることを特徴とする請求項1から7のいずれか1つに記載の光変調器。
- 前記基板の厚さが4.0μm以下であることを特徴とする請求項1から8のいずれか1つに記載の光変調器。
- 前記基板上に突設されたリブ部が前記光導波路として用いられることを特徴とする請求項1から9のいずれか1つに記載の光変調器。
- 前記変調電極は金属からなり、前記基板はニオブ酸リチウムからなることを特徴とする請求項1から10のいずれか1つに記載の光変調器。
- 複数のマッハツェンダー部により前記光導波路が形成されていることを特徴とする請求項1から11のいずれか1つに記載の光変調器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019064447A JP7207086B2 (ja) | 2019-03-28 | 2019-03-28 | 光変調器 |
US17/593,924 US20220179247A1 (en) | 2019-03-28 | 2019-08-14 | Optical modulator |
PCT/JP2019/031908 WO2020194782A1 (ja) | 2019-03-28 | 2019-08-14 | 光変調器 |
CN201980094910.1A CN113646694B (zh) | 2019-03-28 | 2019-08-14 | 光调制器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019064447A JP7207086B2 (ja) | 2019-03-28 | 2019-03-28 | 光変調器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020166053A true JP2020166053A (ja) | 2020-10-08 |
JP7207086B2 JP7207086B2 (ja) | 2023-01-18 |
Family
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JP2019064447A Active JP7207086B2 (ja) | 2019-03-28 | 2019-03-28 | 光変調器 |
Country Status (4)
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US (1) | US20220179247A1 (ja) |
JP (1) | JP7207086B2 (ja) |
CN (1) | CN113646694B (ja) |
WO (1) | WO2020194782A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09297289A (ja) * | 1996-05-08 | 1997-11-18 | Nippon Telegr & Teleph Corp <Ntt> | 光制御デバイスとその動作方法 |
JP2010256761A (ja) * | 2009-04-28 | 2010-11-11 | Nec Corp | 半導体マッハツェンダー光変調器及びその製造方法、半導体光集積素子及びその製造方法 |
JP2014071383A (ja) * | 2012-09-28 | 2014-04-21 | Sumitomo Osaka Cement Co Ltd | 光変調器 |
JP2017054033A (ja) * | 2015-09-10 | 2017-03-16 | 凸版印刷株式会社 | 高分子光導波路およびその製造方法 |
US9664931B1 (en) * | 2012-11-16 | 2017-05-30 | Hrl Laboratories, Llc | Electro-optic modulation structures |
JP2017129834A (ja) * | 2015-08-21 | 2017-07-27 | Tdk株式会社 | 光導波路素子およびこれを用いた光変調器 |
US20170299811A1 (en) * | 2016-04-15 | 2017-10-19 | Northwestern University | X(2) Modulators and Related Devices with Barium Titanate Photonic Crystal Waveguides |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0409238B1 (en) * | 1989-07-20 | 1995-02-15 | Nec Corporation | Optical control device |
JPH09211403A (ja) * | 1996-02-01 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 光制御素子 |
US5895742A (en) * | 1996-07-19 | 1999-04-20 | Uniphase Telecommunications Products, Inc. | Velocity-matched traveling-wave electro-optical modulator using a benzocyclobutene buffer layer |
JP3362105B2 (ja) * | 1997-03-31 | 2003-01-07 | 住友大阪セメント株式会社 | 導波路型光変調器 |
JP3049245B2 (ja) * | 1998-08-10 | 2000-06-05 | 住友大阪セメント株式会社 | 導波路型光変調器 |
US6846428B2 (en) * | 2001-03-20 | 2005-01-25 | Wisconsin Alumni Research Foundation | Thin film lithium niobate and method of producing the same |
JP2006243376A (ja) * | 2005-03-03 | 2006-09-14 | Ricoh Co Ltd | 有機導波路型光変調器 |
JP2008039859A (ja) * | 2006-08-01 | 2008-02-21 | Fujitsu Ltd | 光変調器 |
JP2014066940A (ja) * | 2012-09-26 | 2014-04-17 | Sumitomo Osaka Cement Co Ltd | 光変調器 |
-
2019
- 2019-03-28 JP JP2019064447A patent/JP7207086B2/ja active Active
- 2019-08-14 US US17/593,924 patent/US20220179247A1/en active Pending
- 2019-08-14 WO PCT/JP2019/031908 patent/WO2020194782A1/ja active Application Filing
- 2019-08-14 CN CN201980094910.1A patent/CN113646694B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09297289A (ja) * | 1996-05-08 | 1997-11-18 | Nippon Telegr & Teleph Corp <Ntt> | 光制御デバイスとその動作方法 |
JP2010256761A (ja) * | 2009-04-28 | 2010-11-11 | Nec Corp | 半導体マッハツェンダー光変調器及びその製造方法、半導体光集積素子及びその製造方法 |
JP2014071383A (ja) * | 2012-09-28 | 2014-04-21 | Sumitomo Osaka Cement Co Ltd | 光変調器 |
US9664931B1 (en) * | 2012-11-16 | 2017-05-30 | Hrl Laboratories, Llc | Electro-optic modulation structures |
JP2017129834A (ja) * | 2015-08-21 | 2017-07-27 | Tdk株式会社 | 光導波路素子およびこれを用いた光変調器 |
JP2017054033A (ja) * | 2015-09-10 | 2017-03-16 | 凸版印刷株式会社 | 高分子光導波路およびその製造方法 |
US20170299811A1 (en) * | 2016-04-15 | 2017-10-19 | Northwestern University | X(2) Modulators and Related Devices with Barium Titanate Photonic Crystal Waveguides |
Also Published As
Publication number | Publication date |
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CN113646694B (zh) | 2024-04-09 |
JP7207086B2 (ja) | 2023-01-18 |
US20220179247A1 (en) | 2022-06-09 |
WO2020194782A1 (ja) | 2020-10-01 |
CN113646694A (zh) | 2021-11-12 |
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