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An all-optical switching model system comprising a single pulsed pump beam at 355 nm and a cw He-Ne signal beam at 632.8 nm was demonstrated with 2-(2'-hydroxyphenyl) benzothiazole(HBT) in five different polar solvents. The origin of the optical switching effect was discussed, and it was verified that fast excited state intramolecular proton transfer (ESIPT) of HBT and the slow thermal effect of solvent together induced the change of the refractive index of HBT solutions, which lead to the signal beam deflection and dominated the optical switching "off" and "on" states, respectively. The slow thermal effect of solvent results in the "tail" phenomenon of the optical switching recovery, and reducing the signal beam waist radius is a viable means for accelerating the recovery of the optical switching. The results indicated that the HBT molecule could be an excellent candidate for high-speed and high-sensitivity optical switching devices. This work provides a theoretical as well as experimental basis for the production of ultra-fast all-optical switching device.
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Keywords:
- all-optical switching /
- 2-(2'-hydroxyphenyl)benzothiazole (HBT) /
- excited state proton transfer (ESPT) /
- optical nonlinearity
[1] Li Z H, Xue Y L, Deng Z Q, Shen T G 2009 Optik 120 605
[2] Roy S, Sharma P, Dharmadhikari A K, Mathur D 2004 Opt. Commun. 237 251
[3] Nishizawa N, Ukai Y, Goto T 2005 Opt. Express 13 8128
[4] Rodriguez E, Kellermann G, Craievich A F, Jimenez E, César C L, Barbosa L C 2008 Superlattice Microst. 43 626
[5] Kim Y, Kim N, Chung Y, Paek U C, Han W T 2004 Opt. Express 12 651
[6] Janke C, Gómez Rivas J, Haring Bolivar P, Kurz H 2005 Opt. Lett. 30 2357
[7] Zheng J J, Guo Y X, Li X P, Zhang G L, Chen W J 2006 J. Opt. A: Pure Appl. Op. 8 835
[8] Zheng J J, Zhang G L, Guo Y X, Li X P, Chen W J 2007 Chinese Phy. 16 1047
[9] Zheng J J, Zhang G L, Wu F, Ma L N, Chen W J 2008 Spectrosc. Spect. Anal. 28 970 (in Chinese) [郑加金、张桂兰、吴 峰、马丽娜、陈文驹 2008 光谱学与光谱分析28 970]
[10] Aquino A J A, Plasser F, Barbatti M, Lischka H 2009 Croat. Chem. Acta 82 105
[11] Basaric N, Wan P 2006 Photochem. Photobiol. 5 656
[12] Mondal S K, Ghosh S, Sahu K, Sen P, Bhattacharyya K 2007 J. Chem. Sci. 119 71
[13] Rini M, Dreyer J, Nibbering E T J, Elsaesser T 2003 Chem. Phys. Lett. 374 13
[14] Costela A, Garcia-Moreno I 1996 Chem. Phys. Lett. 249 373
[15] Santran S, Martinez-Rosas M, Canioni L, Sarger L, Glebova L N, Tirpak A, Glebov L B 2006 Opt. Mater. 28 401
[16] Shao Y Q, Guo Q 2006 Acta Phys. Sin. 55 2751(in Chinese)[邵毅全、郭 旗2006 55 2751]
[17] Sheik-Bahae M, Said A A, Wei T H, Hagan D J, Van Stryland E W 1990 IEEE J. Quantum Elect. 26 760
[18] Strobl K, Golub I 1992 IEEE J. Quantum Elect. 28 1435
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[1] Li Z H, Xue Y L, Deng Z Q, Shen T G 2009 Optik 120 605
[2] Roy S, Sharma P, Dharmadhikari A K, Mathur D 2004 Opt. Commun. 237 251
[3] Nishizawa N, Ukai Y, Goto T 2005 Opt. Express 13 8128
[4] Rodriguez E, Kellermann G, Craievich A F, Jimenez E, César C L, Barbosa L C 2008 Superlattice Microst. 43 626
[5] Kim Y, Kim N, Chung Y, Paek U C, Han W T 2004 Opt. Express 12 651
[6] Janke C, Gómez Rivas J, Haring Bolivar P, Kurz H 2005 Opt. Lett. 30 2357
[7] Zheng J J, Guo Y X, Li X P, Zhang G L, Chen W J 2006 J. Opt. A: Pure Appl. Op. 8 835
[8] Zheng J J, Zhang G L, Guo Y X, Li X P, Chen W J 2007 Chinese Phy. 16 1047
[9] Zheng J J, Zhang G L, Wu F, Ma L N, Chen W J 2008 Spectrosc. Spect. Anal. 28 970 (in Chinese) [郑加金、张桂兰、吴 峰、马丽娜、陈文驹 2008 光谱学与光谱分析28 970]
[10] Aquino A J A, Plasser F, Barbatti M, Lischka H 2009 Croat. Chem. Acta 82 105
[11] Basaric N, Wan P 2006 Photochem. Photobiol. 5 656
[12] Mondal S K, Ghosh S, Sahu K, Sen P, Bhattacharyya K 2007 J. Chem. Sci. 119 71
[13] Rini M, Dreyer J, Nibbering E T J, Elsaesser T 2003 Chem. Phys. Lett. 374 13
[14] Costela A, Garcia-Moreno I 1996 Chem. Phys. Lett. 249 373
[15] Santran S, Martinez-Rosas M, Canioni L, Sarger L, Glebova L N, Tirpak A, Glebov L B 2006 Opt. Mater. 28 401
[16] Shao Y Q, Guo Q 2006 Acta Phys. Sin. 55 2751(in Chinese)[邵毅全、郭 旗2006 55 2751]
[17] Sheik-Bahae M, Said A A, Wei T H, Hagan D J, Van Stryland E W 1990 IEEE J. Quantum Elect. 26 760
[18] Strobl K, Golub I 1992 IEEE J. Quantum Elect. 28 1435
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