基于KMnF_3∶Yb~(3+),Er~(3+)纳米晶的红光聚合物平面光波导放大器
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摘要
制作了基于KMnF_3∶Yb~(3+),Er~(3+)纳米晶材料的工作波长655 nm的聚合物平面光波导放大器。材料的吸收光谱表明,KMnF_3∶Yb~(3+),Er~(3+)纳米晶在980 nm附近有很强的吸收。在980 nm激光的激发下,由于Er~(3+)和Mn2+能级之间的能量传递,KMnF_3∶Yb~(3+),Er~(3+)纳米晶产生了很强的红色上转换发光。根据KMnF_3∶Yb~(3+),Er~(3+)纳米粒子的发光特性,制备了KMnF_3∶Yb~(3+),Er~(3+)NCs-PMMA复合材料,用其作为芯层设计了掩埋形结构光波导放大器,利用传统的半导体工艺完成器件制备。器件测试结果表明,当655 nm信号光功率为0.1 m W、980 nm泵浦功率为260 m W时,器件获得了2.7 d B的相对增益。
An optical waveguide amplifier at 655 nm based on KMnF_3∶ Yb~(3+),Er~(3+)nanocrtstals-PMMA covalent-linking nanocomposites pumped by a 980 nm laser diode was demonstrated. The absorption spectrum indicates that the nanocrystals have significant absorption at 980 nm. The fluorescence spectrum was measured under the excitation of 980 nm laser. An optical waveguide amplifier with embedded structure was fabricated using KMnF_3∶ Yb~(3+),Er~(3+)NCs-PMMA nanoparticles as the core layer. A relative gain of 2. 7 d B at 655 nm wavelength was obtained when the input signal power was 0. 1 m W and pump power was 260 m W in a 1. 1 cm-long waveguide.
An optical waveguide amplifier at 655 nm based on KMnF_3∶ Yb~(3+),Er~(3+)nanocrtstals-PMMA covalent-linking nanocomposites pumped by a 980 nm laser diode was demonstrated. The absorption spectrum indicates that the nanocrystals have significant absorption at 980 nm. The fluorescence spectrum was measured under the excitation of 980 nm laser. An optical waveguide amplifier with embedded structure was fabricated using KMnF_3∶ Yb~(3+),Er~(3+)NCs-PMMA nanoparticles as the core layer. A relative gain of 2. 7 d B at 655 nm wavelength was obtained when the input signal power was 0. 1 m W and pump power was 260 m W in a 1. 1 cm-long waveguide.
引文
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[3]ENNEN H,SCHNEIDER J,POMRENKE G,et al..1.54-μm luminescence of erbium-implantedⅢ-V semiconductors and silicon[J].Appl.Phys.Lett.,1983,43(10):943-946.
[4]ZHOU K J,PAN S M,NGO N Q,et al..Gain equalization of EDFA using a loop filter with a single polarization controller[J].Chin.Opt.Lett.,2012,10(7):070604.
[5]SINGH S,KALER R S.Flat-gain L-band Raman-EDFA hybrid optical amplifier for dense wavelength division multiplexed system[J].IEEE Photon.Technol.Lett.,2013,25(3):250-252.
[6]REDDY A A,BABU S S,PRADEESH K,et al..Optical properties of highly Er3+-doped sodium-aluminium-phosphate glasses for broadband 1.5μm emission[J].J.Alloys Compd.,2011,509(9):4047-4052.
[7]FERNANDEZ T T,EATON S M,DELLA V G,et al..Femtosecond laser written optical waveguide amplifier in phosphotellurite glass[J].Opt.Express,2010,18(19):20289-20297.
[8]ZHANG D M,CHEN C,SUN X,et al..Optical properties of Er(DBM)3Phen-doped polymer and fabrication of ridge waveguide[J].Opt.Commun.,2007,278(1):90-93.
[9]ZHAI X S,LI J,LIU S S,et al..Enhancement of 1.53μm emission band in Na YF4∶Er3+,Yb3+,Ce3+nanocrystals for polymer-based optical waveguide amplifiers[J].Opt.Mater.Express,2013,3(2):270-277.
[10]LO W S,KWOK W M,LAW G L,et al..Impressive europium red emission induced by two-photon excitation for biological applications[J].Inorg.Chem.,2011,50(12):5309-5311.
[11]LAW G L,KWOK W M,WONG W T.Terbium luminescence sensitized through three-photon excitation in a self-assembled unlinked antenna[J].J.Phys.Chem.B,2007,111(37):10858-10861.
[12]KAGAMI M.Optical technologies for car applications innovation of the optical waveguide device fabrication[J].Opt.Commun.Perspect.Next Gen.Technol.,2007:23-25.
[13]QIN G S,YAMASHITA T,ARAI Y,et al..22 d B all-fiber green amplifier using Er3+-doped fluoride fiber[J].Opt.Commun.,2007,279(2):298-302.
[14]LI T,LIU T J,CHEN C,et al..Gain characteristics of La F3∶Er,Yb nanoparticle-doped waveguide amplifier[J].J.Nanosci.Nanotechnol.,2011,11(11):9409-9414.
[15]LIANG H,ZHANG Q J,ZHENG Z Q,et al..Optical amplification of Eu(DBM)3Phen-doped polymer optical fiber[J].Opt.Lett.,2004,29(5):477-479.
[16]ZHENG Z Q,MING H,SUN X H,et al..Study of Eu(DBM)3phen-doped optical polymer waveguides[J].J.Opt.Soc.Am.B,2005,22(4):820-824.
[17]TSANG K C,WONG C Y,PUN E Y B.High-gain optical amplification in Eu3+-doped polymer[J].Opt.Lett.,2010,35(4):520-522.
[18]WANG J,WANG F,WANG C,et al..Single-band upconversion emission in lanthanide-doped KMn F3nanocrystals[J].Angew.Chem.Int.Ed.Engl.,2011,50(44):10369-10372.
[19]SELL D D,GREENE R L,WHITE R M.Optical exciton-magnon absorption in Mn F2[J].Phys.Rev.,1967,158(2):489-510.
[20]马春生,秦政坤,张大明.光波导器件设计与模拟[M].北京:高等教育出版社,2012.MA C S,QIN Z K,ZHANG D M.Design and Simulation of Optical Waveguide Devices[M].Beijing:Higher Education Press,2012.(in Chinese)
[21]WANG T J,ZHAO D,ZHANG M L,et al..Optical waveguide amplifiers based on Na YF4∶Er3+,Yb3+NPs-PMMA covalent-linking nanocomposites[J].Opt.Mater.Express,2015,5(3):469-478.
[22]KARVE G,BIHARI B,CHEN R T.Demonstration of optical gain at 1.06μm in a neodymium-doped polyimide waveguide[J].Appl.Phys.Lett.,2000,77(9):1253-1255.