JP6634033B2 - 連続波ポンピング・コロイドナノ結晶レーザー - Google Patents
連続波ポンピング・コロイドナノ結晶レーザー Download PDFInfo
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- 238000005086 pumping Methods 0.000 title claims description 7
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- 239000002019 doping agent Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 229910021480 group 4 element Inorganic materials 0.000 claims 1
- 229910021478 group 5 element Inorganic materials 0.000 claims 1
- 150000003346 selenoethers Chemical class 0.000 claims 1
- 150000003568 thioethers Chemical class 0.000 claims 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 22
- 230000005284 excitation Effects 0.000 description 21
- 238000005424 photoluminescence Methods 0.000 description 17
- 238000001228 spectrum Methods 0.000 description 13
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- YBNMDCCMCLUHBL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-pyren-1-ylbutanoate Chemical compound C=1C=C(C2=C34)C=CC3=CC=CC4=CC=C2C=1CCCC(=O)ON1C(=O)CCC1=O YBNMDCCMCLUHBL-UHFFFAOYSA-N 0.000 description 1
- 229910004613 CdTe Inorganic materials 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadecene Natural products CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 1
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- 150000004771 selenides Chemical class 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/347—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIBVI compounds, e.g. ZnCdSe- laser
-
- 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
- H01S3/169—Nanoparticles, e.g. doped nanoparticles acting as a gain material
-
- 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/041—Optical pumping
-
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1053—Comprising an active region having a varying composition or cross-section in a specific direction
- H01S5/1067—Comprising an active region having a varying composition or cross-section in a specific direction comprising nanoparticles
-
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/11—Comprising a photonic bandgap structure
-
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/125—Distributed Bragg reflector [DBR] lasers
-
- 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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/341—Structures having reduced dimensionality, e.g. quantum wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
Description
コロイドナノ結晶が、そのナノ結晶にて電荷キャリアを閉じ込めるための量子井戸を構成し、双励起子利得機構(biexcition gain mechanism)を有するのに適当な2次元ナノ結晶であって、
コロイドナノ結晶は、そのナノ結晶の厚さ方向にて電荷キャリアを強く閉込める(strong confinement)一方、当該ナノ結晶の2つの互いに直交する横方向であって、当該ナノ結晶の厚さ方向に直交する2つの横方向の各々にて電荷キャリアを弱く閉込める(weak confinement)又は閉込めない(no confinement)ようになっている。
1.Grivas,C.&Pollnau M、有機固体集積増幅器およびレーザー、Laser Photon. Rev.6、419〜462(2012)
2.Clark,J.&Lanzani、G.、通信のための有機フォトニック、Nat. Photonics 4、438-446(2010)
3.Klimov,V.I.、ナノ結晶量子ドットにおける光学利得および誘導放出、Science(80-)、290、314〜317(2000)
4.Dang,C、コロイド量子ドット膜の単一励起子利得によって可能となる赤色、緑色および青色のレーザー発振、 Nat. Nanotechnol、7、335-9(2012)
5.Grivas,C他、コロイドナノ結晶からの単一励起領域における単一モードの可変レーザー放射、Nat. Commun. 4、2366(2013)
6.Klimov,V.I.、半導体量子ドットにおける多粒子オージェ速度の量子化、Science(80-) 287、1011〜1013(2000)
7.Garcia-Santamaria、F.他、 「巨大な」ナノ結晶でのオージェ再結合の抑制による光学利得性能の向上、Nano Lett. 9、3482-8(2009)
8.Zavelani-Rossi、M.他、 CdSe / CdSドット/ロッドにおける双励起子オージェ再結合の抑制:キャリアダイナミクスにおける電子構造の役割、Nano Lett. 10、3142-50(2010)
9.Moreels,I.他、コロイド状CdSe / CdS量子ドット・イン・ロッドにおける増幅された自然放出の温度に略依存しない閾値、 Adv. Mater. 24、OP 231-5(2012)
10.Climente,J.I、非対称電子-正孔閉じ込めナノ結晶におけるオージェ再結合抑制、Small 8、754-9(2012)
11.Bae,W.K.他、オージェ再結合の抑制のためのCdSe/CdS量子ドットにおけるコア - シェル界面の制御された合金化、ACS Nano 7、3411-9(2013)
12.Achtstein, A.W.等、二次元コロイドCdSeナノシートにおける電子構造と励起子-フォノン相互作用、Nano Lett. 12、3151-7(2012)
13.Ithurria,S、二次元電子構造を有するコロイド状ナノプレートレット、 Nat. Mater 10、936-41(2011)
14.Voigt,J他、光励起スペクトルから決定されるCdSおよびCdSe単結晶のバンドパラメータ、Phys. Status Solidi 91,、189-199(1979)
15.Woggon,U.他、CdS/ZnS量子構造における局在した励起子の巨大結合エネルギーPhys. Rev. B61、12632-12635(2000)
16.Kim,J他、GaAs量子井戸におけるBiexcitonの熱力学GaAs量子井戸における双励起子の熱力学、 Phys. Rev.B50、15099〜15107(1994)
17.Kunneman,L.T.他、二次元CdSeおよびCdSe/CdZnSコア/シェルナノプレートレットの電子-正孔対の二分子オージェ再結合、J.Phys. Chem. Lett. 4、3574〜3578(2013)
18.Homburg,O.他、二重井戸を有するZnSe系レーザーの双励起子利得特性、Phys、Rev. B60、5743-5750(1999)
19. Malko,A.V.他、ナノ結晶量子ドット固体を用いた増幅された自然放出〜マイクロリング・レイジング、 Appl. Phys、 Lett. 81,1303(2002)
20. Chenais,B.他、固体有機レーザーの最近の進歩、Polym. Int. 61、390〜406(2012)
21.Mahler,B.他、コア/シェルコロイド半導体ナノプレートレット、 J. Am. Chem. Soc. 134、18591-8(2012)
Claims (6)
- 利得媒体として半導体材料のコロイドナノ結晶のフィルムを有して成る光ポンピングされるレーザー・デバイスであって、
コロイドナノ結晶は、該ナノ結晶にて電荷キャリアを閉じ込めるための2次元量子井戸を形成する2次元ナノ結晶であって、双励起子利得機構を有する2次元ナノ結晶であり、
コロイドナノ結晶が、該コロイドナノ結晶の厚さ方向(z)に1〜5nmの範囲の厚さを有し、前記コロイドナノ結晶が、該コロイドナノ結晶の2つの互いに直交する横方向(x,y)の各々にて約20〜約30nmに等しい寸法を有しているか、あるいは、前記コロイドナノ結晶が、該コロイドナノ結晶の厚さ方向(z)に約1.5nmの寸法を有し、該コロイドナノ結晶の該横方向(x)に約8.5nmの寸法およびそれと直交する該横方向(y)に約35.3nmの寸法を有しており、それによって該コロイドナノ結晶が該厚さ方向(z)における電荷キャリアの強い閉込めを供しており、該コロイドナノ結晶が前記2つの横方向(x,y)にて電荷キャリアの弱い閉込めを供するか若しくは電荷キャリアの閉込めを供さない、レーザー・デバイス。 - コロイドナノ結晶は、第I族、第II族、第III族、第IV族および第V族の元素のセレナイド、スルフィドおよびテルリドから成る群から選択される半導体から成る、請求項1に記載のレーザー・デバイス。
- コロイドナノ結晶は、10%未満の濃度の原子ドーパントを更に含む、請求項2に記載のレーザー・デバイス。
- コロイド2次元ナノ結晶のフィルムが、該コロイド2次元ナノ結晶の放出ピークに重なるフォトニック・ギャップを有する共振キャビティに配置されている、請求項1〜3のいずれかに記載のレーザー・デバイス。
- 連続波光学ポンピング源を更に有して成る、請求項1〜4のいずれかに記載のレーザー・デバイス。
- パルス光学ポンピング源を更に有して成る、請求項1〜4のいずれかに記載のレーザー・デバイス。
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PCT/IB2015/054053 WO2015186033A1 (en) | 2014-06-03 | 2015-05-29 | Continuous-wave pumped colloidal nanocrystal laser |
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EP3402018A1 (en) | 2017-05-10 | 2018-11-14 | Universiteit Gent | Light amplification method using an optical gain medium comprising quantum dots |
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US7515333B1 (en) * | 2002-06-13 | 2009-04-07 | Nanosy's, Inc. | Nanotechnology-enabled optoelectronics |
JP4421319B2 (ja) * | 2004-02-13 | 2010-02-24 | 独立行政法人科学技術振興機構 | レーザ装置及びレーザ発振方法 |
US20070063208A1 (en) * | 2005-03-24 | 2007-03-22 | Klimov Victor I | Nanocrystal/photonic crystal composites |
ATE551723T1 (de) * | 2005-08-25 | 2012-04-15 | Edward Sargent | Optische quantum-dot-vorrichtungen mit erhöhter verstärkung und empfindlichkeit |
US8208502B2 (en) * | 2006-10-03 | 2012-06-26 | California Institute Of Technology | Fiber-coupled solid state microcavity light emitters |
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EP2163301A3 (en) * | 2008-09-11 | 2010-04-28 | Centre National De La Recherche Scientifique (Cnrs) | Process for manufacturing colloidal materials, colloidal materials and their uses |
JP2010263083A (ja) * | 2009-05-07 | 2010-11-18 | Murata Mfg Co Ltd | 光半導体素子 |
FR2966474B1 (fr) * | 2010-10-25 | 2013-12-20 | Solarwell | Procede de fabrication d'un materiau nanocristallin |
US8658065B2 (en) * | 2011-01-07 | 2014-02-25 | The Board Of Trustees Of The University Of Arkansas | Colloidal semiconductor nanocrystals having 1-dimensional quantum confinement and methods of making the same |
US8259772B2 (en) | 2011-02-04 | 2012-09-04 | Fondazione Istituto Italiano Di Technologia | Fabrication of lasing microcavities consisting of highly luminescent colloidal nanocrystals |
WO2014014529A2 (en) * | 2012-04-11 | 2014-01-23 | Brown University | Red, green, and blue lasing enabled by single-exciton gain colloidal quantum dot films |
GB201313282D0 (en) * | 2013-07-25 | 2013-09-11 | Ibm | Optically pumpable waveguide amplifier with amplifier having tapered input and output |
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