JP2008192829A - 光増幅器及びその製造方法。 - Google Patents
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- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 4
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- 229910052769 Ytterbium Inorganic materials 0.000 abstract description 17
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 abstract 1
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Images
Classifications
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- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/0632—Thin film lasers in which light propagates in the plane of the thin film
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/163—Solid materials characterised by a crystal matrix
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/163—Solid materials characterised by a crystal matrix
- H01S3/1675—Solid materials characterised by a crystal matrix titanate, germanate, molybdate, tungstate
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Lasers (AREA)
Abstract
【解決手段】Pb1−xLax(ZryTi1−y)1−x/4O3(PLZT:0<x<0.3、0<y<1.0)を含んで構成される光導波路層であって、Yb(イットリビウム)がドープ量0.2モル%以上、11.0モル%以下でドープされ、且つエピタキシャル成長によって形成される単結晶膜からなる光導波路層を有することを特徴とする光増幅器である。
【選択図】図7
Description
本発明の光増幅器は、Pb1−xLax(ZryTi1−y)1−x/4O3(PLZT:0<x<0.3、0<y<1.0)を含んで構成される光導波路層であって、Yb(イットリビウム)がドープ量0.2モル%以上、11.0モル%以下でドープされ、且つエピタキシャル成長によって形成される単結晶膜からなる光導波路層を有することを特徴としている。
基板上に、光導波路層前駆体としてアモルファス膜を形成する工程と、
前記アモルファス膜を加熱し、エピタキャシャル成長によって光導波路層を形成する工程と、
を有することを特徴としている。
本実施例では、以下に示すようにして、図7及び図8に示すリブ型光導波路層を用いた光増幅器を作製した。図7及び図8に示す光増幅器100は、基板10の上にバッファ層12、スラブ型光導波路層14、チャンネル状光導波路層16を順次設け、さらに、スラブ型光導波路層14及びチャンネル状光導波路層16を覆うようにクラッド層18を設けたものである。
本比較例として、以下のように変更した以外は実施例1と同様にして光増幅器を得た。
本比較例として、以下のように変更した以外は実施例1と同様にして光増幅器を得た。
本実施例として、以下のように変更した以外は実施例1と同様にして光増幅器を得た。
本実施例では、以下に示すようにして、図9及び図10に示すリブ型光導波路層を用いた光増幅器を作製した。図9及び図10に示す光増幅器100は、基板10の上にバッファ層12、スラブ型光導波路層14、チャンネル状光導波路層16を順次設け、チャンネル状光導波路層16上にクラッド層18を設けたものである。
本実施例では、以下に示すようにして、図11及び図12に示すリブ型光導波路層を用いた光増幅器を作製した。図11及び図12に示す光増幅器100は、基板10の上に第一のバッファ層12A(スラブ型バッファ層)、第二のバッファ層12B(スラブ型バッファ層上にチャネル型バッファ層が設けられた凸状バッファ層)、チャンネル状光導波路層16を順次設け、チャンネル状光導波路層16上にクラッド層18を設けたものである。
本実施例では、以下に示すようにして、図13及び図14に示すリブ型光導波路層を用いた光増幅器を作製した。図13及び図14に示す光増幅器100は、基板10の上にバッファ層12、チャンネル状光導波路層16を順次設け、バッファ層12及びチャンネル状光導波路層16を覆うようにクラッド層18を設けたものである。図13及び図14に示す光増幅器100では、バッファ層12上でチャンネル状光導波路層16を湾曲させて巻き回して配設している。
12 バッファ層
14 スラブ型光導波路層
16 チャンネル状光導波路層
18 クラッド層
Claims (7)
- Pb1−xLax(ZryTi1−y)1−x/4O3(PLZT:0<x<0.3、0<y<1.0)を含んで構成される光導波路層であって、Yb(イットリビウム)がドープ量0.2モル%以上、11.0モル%以下でドープされ、且つエピタキシャル成長によって形成される単結晶膜からなる光導波路層を有することを特徴とする光増幅器。
- 前記光導波路層には、Er(エルビウム)がドープ量3.0モル%以下ドープされていることを特徴とする請求項1に記載の光増幅器。
- 前記光導波路層と共に、バッファ層及びクラッド層を有し、
当該光導波路層、前記バッファ層及び前記クラッド層は、互いに異なる組成のPLZTを含んで構成される、
ことを特徴とする請求項1乃至2のいずれか1項に記載の光増幅器。 - 前記光導波路層は、チャンネル状光導波路層を有することを特徴とする請求項1乃至3のいずれか1項に記載の光増幅器。
- 請求項1乃至4のいずれか1項に記載の光増幅器を製造する光増幅器の製造方法であって、
基板上に、光導波路層前駆体としてアモルファス膜を形成するアモルファス化工程と、
前記アモルファス膜を加熱して結晶化し、エピタキャシャル成長によって光導波路層を形成する結晶化工程と、
を有することを特徴とする光増幅器の製造方法。 - 前記アモルファス膜又は前記光導波路層の少なくとも1部に対し、エッチングを施し、チャンネル状光導波路層を形成する工程をさらに有することを特徴とする請求項5に記載の光増幅器の製造方法。
- 前記アモルファス化工程は、前記基板上に光導波路層前駆体溶液を塗布して、加熱することによりアモルファス膜を形成するアモルファス化工程であることを特徴とする請求項5に記載の光増幅器の製造方法。
Priority Applications (3)
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JP2007025691A JP2008192829A (ja) | 2007-02-05 | 2007-02-05 | 光増幅器及びその製造方法。 |
PCT/JP2008/051828 WO2008096733A1 (ja) | 2007-02-05 | 2008-02-05 | 光増幅器及びその製造方法 |
US12/525,813 US20100110536A1 (en) | 2007-02-05 | 2008-02-05 | Optical amplifier and production method thereof |
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JP2007025691A JP2008192829A (ja) | 2007-02-05 | 2007-02-05 | 光増幅器及びその製造方法。 |
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US (1) | US20100110536A1 (ja) |
JP (1) | JP2008192829A (ja) |
WO (1) | WO2008096733A1 (ja) |
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JP2017069252A (ja) * | 2015-09-28 | 2017-04-06 | 三菱電機株式会社 | 平面導波路型レーザ増幅器 |
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JP5226449B2 (ja) * | 2008-10-03 | 2013-07-03 | スタンレー電気株式会社 | 半導体発光装置 |
US9711928B2 (en) * | 2012-06-22 | 2017-07-18 | Clemson University Research Foundation | Single crystals with internal doping with laser ions prepared by a hydrothermal method |
CN104810823B (zh) * | 2014-01-24 | 2017-07-14 | 国际商业机器公司 | 产生变电站负荷转供控制参数的方法、设备及系统 |
US10156025B2 (en) | 2015-05-04 | 2018-12-18 | University Of South Carolina | Monolithic heterogeneous single crystals with multiple regimes for solid state laser applications |
CN112062562B (zh) * | 2020-09-17 | 2022-04-19 | 广西大学 | 一种knn基超高击穿电场单晶薄膜材料的制备方法 |
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JPH11199393A (ja) * | 1998-01-16 | 1999-07-27 | Fuji Xerox Co Ltd | 強誘電体薄膜素子の作製方法 |
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JP2007163691A (ja) * | 2005-12-12 | 2007-06-28 | Fujitsu Ltd | 光学素子及び光損失測定装置 |
JP2007258494A (ja) * | 2006-03-23 | 2007-10-04 | Nozomi Photonics Co Ltd | 光増幅器及びその製造方法。 |
US7791791B2 (en) * | 2006-06-09 | 2010-09-07 | Boston Applied Technologies, Incorporated | Transparent electro-optic gain ceramics and devices |
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JPH02236506A (ja) * | 1988-10-21 | 1990-09-19 | Sony Corp | 光導波路装置 |
JPH03253823A (ja) * | 1990-03-05 | 1991-11-12 | Fujikura Ltd | 光アンプ |
JPH11199393A (ja) * | 1998-01-16 | 1999-07-27 | Fuji Xerox Co Ltd | 強誘電体薄膜素子の作製方法 |
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JP2017069252A (ja) * | 2015-09-28 | 2017-04-06 | 三菱電機株式会社 | 平面導波路型レーザ増幅器 |
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