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We have proposed a novel surface plasmonic nanolaser based on a nanowire/air gap/metal thin film hybrid structure to carry out theoretical research and simulation analysis. Opening an air groove in the MgF2 insulating layer, then making a nanowire embedded on the top of the air slot but maintaining a gap between the nanowire and the metal layer, thereby we produce a coupled hybrid plasmonic waveguide and a significant field enhancement effect. This structure enables the realization of an air gap. By simulating the modal properties and the lasing threshold of the hybrid plasmonic mode under different geometric parameters, the capacity of subwavelength scale with low propagation loss and high field confinement is demonstrated. Finally we achieve the nanolaser's optimal structure size. Compared with the general diffraction limit laser, this structure can reduce the physical size of the device and the physical mode. The proposed nanolaser could be easily integrated with various nanophotonic devices, and it may become an appealing candidate for future active plasmonic systems.
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Keywords:
- surface plasmon /
- hybrid plasmonic waveguides /
- nanolaser
[1] Duan X F, Huang Y, Agarwal R, Lieber C M 2003 Nature 421 241
[2] Sorger V J, Ye Z L, Oulton R F, Wang Y, Bartal G, Yin X B, Zhang X 2011 Nature Communications 2 331
[3] Oulton R F, Sorger V J, Zentraf T, Ma R M, Gladden C, Dai L, Bartal G, Zhang X 2009 Nature 461 629
[4] Noginov M A, Zhu G, Belgrave A M, Bakker R, Shalaev V M, Narimanov E E, Stout S, Herz E, Suteewong T, Winsner U 2009 Nature 460 1110
[5] Barnes W L, Dereux A, Ebbesen T W 2003 Nature 424 824
[6] Zijlstra P, Chon J W M, Gu M 2009 Nature 459 410
[7] Fujii M, Leuthold J, Freude W 2009 IEEE Photon. Technol. Lett. 21 362
[8] Bian Y S, Zheng Z, Liu Y, Liu J, Zhu J S, Zhou T 2011 Opt. Exp. 19 22417
[9] Zhu L 2010 IEEE photon. Technol. Lett. 22 535
[10] Oulton R F, Sorger V J, Genor D A, Pile D F P, Zhang X 2008 Nature Photon. 2 496
[11] Bian Y S, Zheng Z, Liu Y, Zhu J S, Zhou T 2011 IEEE photon. Technol. Lett. 23 884
[12] Raether H 1986 Surface Plasmons on Smooth and Rough Surfaces and on Gratings (New York, London: Springer-Verlag) p8
[13] Selvan S T, Hayakawa T, Nogami M 1999 Phys. Chem. B 103 7064
[14] Chen X, Zhao Q, Fang L, Wang C T, Luo X G 2011 High Power Laser and Partical Beams 23 806 (in Chinese) [陈欣, 赵青, 方亮, 王长涛, 罗先刚 2011 强激光与粒子束 23 806]
[15] Liang G F, Zhao Q, Chen X, Wang C T, Zhao Z Y, Luo X G 2012 Acta Phys. Sin. 10 104203 (in Chinese) [梁高峰, 赵青, 陈欣, 王长涛, 赵泽宇, 罗先刚 2012 10 104203]
[16] Sun H B, Maeda M, Takada K, Chon J W M, Gu M, Kawata S 2003 Appl. Phys. Lett. 83 819
[17] Taflove A, Hagness S C 2005 Computational Electrodynamics: The Finite-Difference Time-Domain Method (Boston London: Artech House) p354
[18] Zhang Y Q, Ge D B 2009 Acta Phys. Sin. 58 4573 (in Chinese) [张玉强, 葛德彪 2009 58 4573]
[19] Chen L, Li X, Wang G P, Li W, Chen S H, Xiao L, Gao D S 2012 IEEE J. Lightwave Technol. 30 163
[20] Chen L, Zhang T, Li X, Huang W P 2012 Opt. Exp. 20 20535
[21] Coldren L A, Corzine S W 1995 Diode Lasers and Photonic Integrated Circuits Hoboken (NewYork: Wiley Interscience Publication)
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[1] Duan X F, Huang Y, Agarwal R, Lieber C M 2003 Nature 421 241
[2] Sorger V J, Ye Z L, Oulton R F, Wang Y, Bartal G, Yin X B, Zhang X 2011 Nature Communications 2 331
[3] Oulton R F, Sorger V J, Zentraf T, Ma R M, Gladden C, Dai L, Bartal G, Zhang X 2009 Nature 461 629
[4] Noginov M A, Zhu G, Belgrave A M, Bakker R, Shalaev V M, Narimanov E E, Stout S, Herz E, Suteewong T, Winsner U 2009 Nature 460 1110
[5] Barnes W L, Dereux A, Ebbesen T W 2003 Nature 424 824
[6] Zijlstra P, Chon J W M, Gu M 2009 Nature 459 410
[7] Fujii M, Leuthold J, Freude W 2009 IEEE Photon. Technol. Lett. 21 362
[8] Bian Y S, Zheng Z, Liu Y, Liu J, Zhu J S, Zhou T 2011 Opt. Exp. 19 22417
[9] Zhu L 2010 IEEE photon. Technol. Lett. 22 535
[10] Oulton R F, Sorger V J, Genor D A, Pile D F P, Zhang X 2008 Nature Photon. 2 496
[11] Bian Y S, Zheng Z, Liu Y, Zhu J S, Zhou T 2011 IEEE photon. Technol. Lett. 23 884
[12] Raether H 1986 Surface Plasmons on Smooth and Rough Surfaces and on Gratings (New York, London: Springer-Verlag) p8
[13] Selvan S T, Hayakawa T, Nogami M 1999 Phys. Chem. B 103 7064
[14] Chen X, Zhao Q, Fang L, Wang C T, Luo X G 2011 High Power Laser and Partical Beams 23 806 (in Chinese) [陈欣, 赵青, 方亮, 王长涛, 罗先刚 2011 强激光与粒子束 23 806]
[15] Liang G F, Zhao Q, Chen X, Wang C T, Zhao Z Y, Luo X G 2012 Acta Phys. Sin. 10 104203 (in Chinese) [梁高峰, 赵青, 陈欣, 王长涛, 赵泽宇, 罗先刚 2012 10 104203]
[16] Sun H B, Maeda M, Takada K, Chon J W M, Gu M, Kawata S 2003 Appl. Phys. Lett. 83 819
[17] Taflove A, Hagness S C 2005 Computational Electrodynamics: The Finite-Difference Time-Domain Method (Boston London: Artech House) p354
[18] Zhang Y Q, Ge D B 2009 Acta Phys. Sin. 58 4573 (in Chinese) [张玉强, 葛德彪 2009 58 4573]
[19] Chen L, Li X, Wang G P, Li W, Chen S H, Xiao L, Gao D S 2012 IEEE J. Lightwave Technol. 30 163
[20] Chen L, Zhang T, Li X, Huang W P 2012 Opt. Exp. 20 20535
[21] Coldren L A, Corzine S W 1995 Diode Lasers and Photonic Integrated Circuits Hoboken (NewYork: Wiley Interscience Publication)
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