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In this paper, an all fiber acousto-optic tunable filter based on superimposed fiber Bragg gratings (SFBG-AOTF) is demonstrated and studied. Compared to the normal fiber Bragg gratings based all fiber acousto-optic tunable filter, SFBG-AOTF can modulate the two optical resonant wavelengths of the gratings synchronously. The spectrum of SFBG-AOTF at various acoustic frequencies and under acoustically induced strains, has been analyzed theoretically. Based on simulation results, one can find that each order of the secondary reflection peak is symmetrical with respect to the two primary reflection peaks with SFBG as the center, and the resonant wavelength spacing between the primary reflection peak and the secondary reflection peak which is modulated by the former, is proportional to the acoustic frequency. But the resonant wavelength between the same order secondary reflection peaks which are modulated by two different primary reflection peaks, is independent of the acoustic frequency. The acoustically induced strains mainly affect the variation of the reflectivities of the primary and secondary reflection peaks. In the experiment, the spectra of SFBG-AOTF with acoustic frequencies of 390 and 710 kHz, are measured. The variation trend of the experimental results accords well with the simulated one.
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Keywords:
- superimposed fiber Bragg gratings /
- acousto-optic modulation /
- transmission characteristic
[1] Cuadrado-Laborde C, Díez A, Andrés M V, Cruz J L, Bello-Jiménez M 2011 Opt. Photon. News 22 36
[2] Zhang W D, Huang L G, Gao F, Bo F, Zhang G Q, Xu J J 2013 Opt. Express 21 16621
[3] Wang D Y, Wang Y M, Gong J M, Wang A B 2011 Opt. Lett. 36 3392
[4] Oliveira R A, Canning J, Cook K, Nashqbandi M, Pohl A A P 2011 Sensors Actuat. B-Chem. 157 621
[5] Zhang W D, Gao F, Bo F, Wu Q, Zhang G Q, Xu J J 2011 Opt. Lett. 36 271
[6] Lim S D, Park K J, Eom S, Jeong J-M, Kim B Y, Lee S B 2011 Opt. Lett. 36 1101
[7] Lee K J, Hwang I-K, Park H C, Kim B Y 2010 Opt. Express 18 12059
[8] Liu W F, Russell P S J, Dong L 1997 Opt. Lett. 22 1515
[9] Marques C A F, Bilro L, Kahn L, Oliveira R A, Webb D J, Nogueira R N 2013 J. Lightwave Technol. 31 1551
[10] Li J, Ning T G, Pei L, Qi C H 2009 Opt. Lett. 34 3136
[11] Li J, Ning T G, Pei L, Qi C H, Hu X D, Zhou Q 2010 IEEE Photonic. Tech. L. 22 516
[12] Li Q, Yan F P, Peng W J, Feng T, Feng S C, Tan S Y, Liu P, Ren W H 2012 Opt. Express 20 23684
[13] Zhang J H, Qiao X G, Feng Z Y, Hu M L, Gao H, Zhou R, Yang Y 2012 Acta Phys. Sin. 61 054215 (in Chinese) [张敬花, 乔学光, 冯忠耀, 忽满利, 高宏, 周锐, 杨扬 2012 物理学报 61 054215]
[14] Nan Q M, Song L 2014 Chin. Opt. Lett. 12 S12302
[15] Zhang X L, Zhang F X, Li S J, Wang M, Wang L J, Song Z Q, Sun Z H, Qi H F, Wang C, Peng G D 2014 Chin. Opt. Lett. 12 S10608
[16] Li Z X, Pei L, Liu C, Ning T G, Yu S W 2012 Appl. Opt. 51 7314
[17] Russell P S J 2000 J. Opt. Soc. Am. A 17 1421
[18] Oliveira R A, Neves Jr P T, Pereira J T, Pohl A A P 2008 Opt. Commun. 281 4899
[19] Liu C, Pei L, Li Z X, Ning T G, Gao S, Kang Z X, Sun J 2013 Acta Phys. Sin. 62 034208 (in Chinese) [刘超, 裴丽, 李卓轩, 宁提纲, 高嵩, 康泽新, 孙将 2013 物理学报 62 034208]
[20] Liu C, Pei L, Li Z X, Ning T G, Yu S W, Kang Z X 2013 Appl. Opt. 52 3318
[21] Wu L Y, Pei L, Liu C, Wang Y Q, Weng S J, Wang J S 2014 Chin. Phys. B 23 110702
[22] Delgado-Pinar M, Diez A, Cruz J L, Andres M V 2007 Appl. Phys. Lett. 90 171110
[23] Cuadrado-Laborde C, Diez A, Delgado-Pinar M, Cruz J L, Andr 閟 M V 2009 Opt. Lett. 34 1111
[24] Marques C A F, Oliveira R A, Pohl A A P, Nogueira R N 2013 Opt. Fiber Technol. 19 121
[25] Zeng X K, Rao Y J 2010 Acta Phys. Sin. 59 8597 (in Chinese) [曾祥楷, 饶云江 2010 物理学报 59 8597]
[26] Zeng X K, Liang K 2011 Opt. Express 19 22797
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[1] Cuadrado-Laborde C, Díez A, Andrés M V, Cruz J L, Bello-Jiménez M 2011 Opt. Photon. News 22 36
[2] Zhang W D, Huang L G, Gao F, Bo F, Zhang G Q, Xu J J 2013 Opt. Express 21 16621
[3] Wang D Y, Wang Y M, Gong J M, Wang A B 2011 Opt. Lett. 36 3392
[4] Oliveira R A, Canning J, Cook K, Nashqbandi M, Pohl A A P 2011 Sensors Actuat. B-Chem. 157 621
[5] Zhang W D, Gao F, Bo F, Wu Q, Zhang G Q, Xu J J 2011 Opt. Lett. 36 271
[6] Lim S D, Park K J, Eom S, Jeong J-M, Kim B Y, Lee S B 2011 Opt. Lett. 36 1101
[7] Lee K J, Hwang I-K, Park H C, Kim B Y 2010 Opt. Express 18 12059
[8] Liu W F, Russell P S J, Dong L 1997 Opt. Lett. 22 1515
[9] Marques C A F, Bilro L, Kahn L, Oliveira R A, Webb D J, Nogueira R N 2013 J. Lightwave Technol. 31 1551
[10] Li J, Ning T G, Pei L, Qi C H 2009 Opt. Lett. 34 3136
[11] Li J, Ning T G, Pei L, Qi C H, Hu X D, Zhou Q 2010 IEEE Photonic. Tech. L. 22 516
[12] Li Q, Yan F P, Peng W J, Feng T, Feng S C, Tan S Y, Liu P, Ren W H 2012 Opt. Express 20 23684
[13] Zhang J H, Qiao X G, Feng Z Y, Hu M L, Gao H, Zhou R, Yang Y 2012 Acta Phys. Sin. 61 054215 (in Chinese) [张敬花, 乔学光, 冯忠耀, 忽满利, 高宏, 周锐, 杨扬 2012 物理学报 61 054215]
[14] Nan Q M, Song L 2014 Chin. Opt. Lett. 12 S12302
[15] Zhang X L, Zhang F X, Li S J, Wang M, Wang L J, Song Z Q, Sun Z H, Qi H F, Wang C, Peng G D 2014 Chin. Opt. Lett. 12 S10608
[16] Li Z X, Pei L, Liu C, Ning T G, Yu S W 2012 Appl. Opt. 51 7314
[17] Russell P S J 2000 J. Opt. Soc. Am. A 17 1421
[18] Oliveira R A, Neves Jr P T, Pereira J T, Pohl A A P 2008 Opt. Commun. 281 4899
[19] Liu C, Pei L, Li Z X, Ning T G, Gao S, Kang Z X, Sun J 2013 Acta Phys. Sin. 62 034208 (in Chinese) [刘超, 裴丽, 李卓轩, 宁提纲, 高嵩, 康泽新, 孙将 2013 物理学报 62 034208]
[20] Liu C, Pei L, Li Z X, Ning T G, Yu S W, Kang Z X 2013 Appl. Opt. 52 3318
[21] Wu L Y, Pei L, Liu C, Wang Y Q, Weng S J, Wang J S 2014 Chin. Phys. B 23 110702
[22] Delgado-Pinar M, Diez A, Cruz J L, Andres M V 2007 Appl. Phys. Lett. 90 171110
[23] Cuadrado-Laborde C, Diez A, Delgado-Pinar M, Cruz J L, Andr 閟 M V 2009 Opt. Lett. 34 1111
[24] Marques C A F, Oliveira R A, Pohl A A P, Nogueira R N 2013 Opt. Fiber Technol. 19 121
[25] Zeng X K, Rao Y J 2010 Acta Phys. Sin. 59 8597 (in Chinese) [曾祥楷, 饶云江 2010 物理学报 59 8597]
[26] Zeng X K, Liang K 2011 Opt. Express 19 22797
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