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Based on the 2D-PC wave multilayer film structure, a method to broaden the bandwidth of polarization beam splitter is proposed, which is composed of two different thickness periodic film stacks. Combined with the evaluation function of polarization splitting characteristic, the particle swarm optimization method is employed to design the optimal structural parameters. A broadband and compact polarization beam splitter is acquired, in which the center wavelength is 565 nm and its working range has achieved 220 nm with the average extinction ratio over 30 dB. In addition, by using the finite difference time domain method, the band structure and transmission spectrum of the wave-structure multilayer film are calculated, the angle sensitivity of the structure is investigated in detail. And we also study the electromagnetic field in the wavy-structure. Simulation results prove that the structure composed of the two different thickness periodic film stacks can avoid the discontinuity of bandgap, and PSO method can accelerate the convergence of the optimization algorithm and extend the bandwidth effectively.
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Keywords:
- polarization beam splitter /
- photonic crystal /
- optical film /
- particle swarm optimization
[1] Shen X P, Han K, Li H P, Shen Y F, Wang Z Y 2008 Acta Phys. Sin. 57 1737 (in Chinese)[沈晓鹏, 韩奎, 李海鹏, 沈义峰, 王子煜 2008 57 1737]
[2] Gerald W, Roger P, Andrew R H 2011 Opt. Lett. 36 1332
[3] Zhang Y G, Sheng Y J, Ai M N, Zhang M J, Gu P F, Tang J F 2001 Optical Instruments 23 198 (in Chinese) [章岳光, 盛永江, 艾曼灵, 张梅骄, 顾培夫, 唐晋发 2001 光学仪器 23 198]
[4] Schonbrun E, Wu Q, Park W 2006 Opt. Lett. 31 3104
[5] Morita Y, Tsuji Y, Hirayama K 2008 IEEE Photonic Technology Letters 20 93
[6] Liu T, Zakharian A R, Fallahi M 2005 IEEE Photonic Technology Letters 17 1435
[7] Zheng W H, Xing M X, Ren G, Johnson S G, Zhou W J, Chen W, Chen L H 2009 Opt. Express 17 8657
[8] Han K, Wang Z Y, Shen X P, Wu Q H, Tong X, Tang G, Wu Y X 2011 Acta Phys. Sin. 60 044212 (in Chinese)[韩奎, 王子煜, 沈晓鹏, 吴琼华, 童星, 唐刚, 吴玉喜 2011 60 044212]
[9] Zhang X, Liao Q H, Chen S W, Hu P, Yu T B, Liu N H 2011 Acta Phys. Sin. 60 104215 (in Chinese)[张旋, 廖清华, 陈淑文, 胡萍, 于天宝, 刘念华 2011 60 104215]
[10] Han B L, Lou S Q, Tang W L, Su W, Zou H, Wang X 2013 Acta Phys. Sin. 62 244202
[11] Jong M P, Sun G L, Hae R P, Myung H L 2010 J. Opt. Soc. Am. B 27 2247
[12] Lu M F, Shan M L, Yang T H 2010 Applied Optics 49 724
[13] Chen S H, Wang C H, Ye Y W, Lee C C, Liang K S, Huang C C 2011 Applied Optics 50 368
[14] Raymond L, Forrest P H, Karl S.K, Ronald B S, Michael S 1990 IEEE Transactions On Electromagnetic Compatibility 32 222
[15] Sentenac A, Greffet J J, Pincemin F 1997 J. Opt. Soc. Am. B 14 339
[16] Liu J H 2009 Ph. D. Dissertation (Changsha: Central South University) (in Chinese) [刘建华 2009 博士学位论文 (长沙: 中南大学)]
[17] Luo Z, Shen W D, Liu X, Gu P F, Xia C 2010 Chinese Optics Letters 8 342
[18] Yasuo Ohtera, Teppei Onuki, Yoshihiko Inoue, Shojiro Kawakami 2007 Journal of Lightwave Technology 25 499
[19] Zhao H J, Yang S L, Zhang D, Liang K Y, Cheng Z F, Shi D P 2009 Acta Phys. Sin. 58 6236 (in Chinese) [赵华君, 杨守良, 张东, 梁康有, 程正富, 石东平 2009 58 6236]
[20] Hong L, Yang C Y, Shen W D, Ye H, Zhang Y G, Liu X 2013 Acta Phys. Sin. 62 064204 (in Chinese)[洪亮, 杨陈楹, 沈伟东, 叶辉, 章岳光, 刘旭 2013 62 064204]
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[1] Shen X P, Han K, Li H P, Shen Y F, Wang Z Y 2008 Acta Phys. Sin. 57 1737 (in Chinese)[沈晓鹏, 韩奎, 李海鹏, 沈义峰, 王子煜 2008 57 1737]
[2] Gerald W, Roger P, Andrew R H 2011 Opt. Lett. 36 1332
[3] Zhang Y G, Sheng Y J, Ai M N, Zhang M J, Gu P F, Tang J F 2001 Optical Instruments 23 198 (in Chinese) [章岳光, 盛永江, 艾曼灵, 张梅骄, 顾培夫, 唐晋发 2001 光学仪器 23 198]
[4] Schonbrun E, Wu Q, Park W 2006 Opt. Lett. 31 3104
[5] Morita Y, Tsuji Y, Hirayama K 2008 IEEE Photonic Technology Letters 20 93
[6] Liu T, Zakharian A R, Fallahi M 2005 IEEE Photonic Technology Letters 17 1435
[7] Zheng W H, Xing M X, Ren G, Johnson S G, Zhou W J, Chen W, Chen L H 2009 Opt. Express 17 8657
[8] Han K, Wang Z Y, Shen X P, Wu Q H, Tong X, Tang G, Wu Y X 2011 Acta Phys. Sin. 60 044212 (in Chinese)[韩奎, 王子煜, 沈晓鹏, 吴琼华, 童星, 唐刚, 吴玉喜 2011 60 044212]
[9] Zhang X, Liao Q H, Chen S W, Hu P, Yu T B, Liu N H 2011 Acta Phys. Sin. 60 104215 (in Chinese)[张旋, 廖清华, 陈淑文, 胡萍, 于天宝, 刘念华 2011 60 104215]
[10] Han B L, Lou S Q, Tang W L, Su W, Zou H, Wang X 2013 Acta Phys. Sin. 62 244202
[11] Jong M P, Sun G L, Hae R P, Myung H L 2010 J. Opt. Soc. Am. B 27 2247
[12] Lu M F, Shan M L, Yang T H 2010 Applied Optics 49 724
[13] Chen S H, Wang C H, Ye Y W, Lee C C, Liang K S, Huang C C 2011 Applied Optics 50 368
[14] Raymond L, Forrest P H, Karl S.K, Ronald B S, Michael S 1990 IEEE Transactions On Electromagnetic Compatibility 32 222
[15] Sentenac A, Greffet J J, Pincemin F 1997 J. Opt. Soc. Am. B 14 339
[16] Liu J H 2009 Ph. D. Dissertation (Changsha: Central South University) (in Chinese) [刘建华 2009 博士学位论文 (长沙: 中南大学)]
[17] Luo Z, Shen W D, Liu X, Gu P F, Xia C 2010 Chinese Optics Letters 8 342
[18] Yasuo Ohtera, Teppei Onuki, Yoshihiko Inoue, Shojiro Kawakami 2007 Journal of Lightwave Technology 25 499
[19] Zhao H J, Yang S L, Zhang D, Liang K Y, Cheng Z F, Shi D P 2009 Acta Phys. Sin. 58 6236 (in Chinese) [赵华君, 杨守良, 张东, 梁康有, 程正富, 石东平 2009 58 6236]
[20] Hong L, Yang C Y, Shen W D, Ye H, Zhang Y G, Liu X 2013 Acta Phys. Sin. 62 064204 (in Chinese)[洪亮, 杨陈楹, 沈伟东, 叶辉, 章岳光, 刘旭 2013 62 064204]
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