基于聚合物支撑形貌液晶/聚合物光栅的低阈值分布反馈式激光器

刘丽娟; 黄文彬; 刁志辉; 张桂洋; 彭增辉; 刘永刚; 宣丽

doi:10.7498/aps.63.194202

摘要

利用低光强曝光进行全息液晶/聚合物光栅（HPDLC）的制备，获得了内部无液晶微滴具有聚合物支撑形貌的低散射透射光栅结构. 分别研究了染料PM567，DCM，DCJTI 的放大的自发辐射（ASE）阈值及相对出射光强等性质，得到三种染料中DCJIT的ASE阈值最低，相对出射光强最高，表明DCJTI更适于制备低阈值、高转化效率激光器. 分别采用这三种染料制备基于聚合物支撑形貌光栅的分布反馈式激光器，通过改变光栅周期得到不同出射波长的激光. 其中，以DCJTI为工作物质，得到中心波长为648 nm，阈值为0.65 μJ/pulse，转化效率为1.6%，线宽为0.3 nm的高性能激光. 与国内外同类激光器相比，在阈值、转化效率、线宽三个方面均有不同程度的提高.

关键词:

Abstract

We have made a low scattering holographic polymer dispersed liquid crystal (HPDLC) transmission grating with polymer scaffolding morphology, which was fabricated under the condition of low curing intensity and no liquid crystal droplet. We studied the amplified spontaneous emission (ASE) thresholds and relative intensities of PM567(4, 4-difluoro-1, 3, 5, 7, 8-pentamethyl-2, 6-diethyl-4-bora-3a, 4a-diaza-s-indacene), DCM (4-Dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4H-pyran), and DCJTI(4-dicyanomethylene)-2-isopropyl-6-(1, 1, 7, 7-tetramethylzulolidyl-9-enyl)-4H-pyran). It is shown that the dye DCJTI has the best properties of ASE, the lowest threshold and the highest relative intensity among the three dyes. Results suggest that DCJIT is a promising material for low threshold, high slope efficiency lasers. Each dye was doped in HPDLC grating with polymer scaffolding morphology individually, and lasers with different wavelengths can be obtained by changing the period of the gratings. The excellent laser property is obtained from the DCJIT-doped laser. A spectral linewidth of 0.3 nm is observed at pump energy threshold 0.65 J/pulse and a conversion efficiency of 1.6% is achieved at the operating wavelength 635 nm. The laser performance is improved in some aspects such as threshold energy, conversion efficiency, and linewidth to some extent as compared with those reported previously.

Keywords:

polymer dispersed liquid crystal grating /
distributed feedback laser /
low threshold

作者及机构信息

1.
中国科学院长春光学精密机械与物理研究所, 应用光学国家重点实验室, 长春 130033;

2.
中国科学院大学, 北京 100049

基金项目: 国家自然科学基金（批准号：11174274，11174279，61205021，11204299，61378075，61377032）资助的课题.

Authors and contacts

1.
State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;

2.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 11174274, 11174279, 61205021, 11204299, 61378075, 61377032).

参考文献

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[4]	Li M S, Wu S T, Fuh AY-G Appl 2006 Phys. Lett. 88 091109
[5]	Jakubiak R, Bunning T J, Vaia R A, Natarajan L V, Tondiglia V P 2003 Adv. Mater. 15 241
[6]	Jakubiak R, Natarajan L V, Tondiglia V, He G S, Prasad P N, Bunning T J, Vaia R A 2004 Appl. Phys. Lett. 85 6095
[7]	Hsiao VKS, Lu C, He G S, Pan M, Cartwright A N, Prasad P N 2005 Opt. Express. 13 3787
[8]	Liu Y J, Sun X W, Elim H I, Ji W 2007 Appl. Phys. Lett. 90 011109
[9]	Deng S P, Huang W B, Liu Y G, Diao Z H, P eng Z H, Yao L S, Xuan L 2012 Acta Phys. Sin. 61 126101(in Chinese) [邓舒鹏, 黄文彬, 刘永刚, 刁志辉, 彭增辉, 姚丽双, 宣丽 2012 61 126101]
[10]	Huang W B, Diao Z H, Yao L S, Cao Z L, Liu Y G, Ma J, Xuan L 2013 Appl. Phys. Express 6 022702
[11]	Ye C, Shi L, Wang J, Lo D, Zhu X G 2003 Appl. Phys. Lett. 83 4101
[12]	Jakubiak R, Tondiglia V P, Natarajan L V, Sutherland R L, Lloyd P, Bunning T J, Vaia R A 2005 Adv. Mater. 17 2807
[13]	Sutherland R L, Natarajan L V, Tondiglia V P 1993 Chem. Mater. 5 1533
[14]	Diao Z H, Huang W B, Deng S P, Liu Y G, P eng Z H, Yao L S, Xuan L 2013 Acta Phys. Sin. 62 034202(in Chinese) [刁志辉, 黄文彬, 邓舒鹏, 刘永刚, 彭增辉, 姚丽双, 宣丽 2013 62 034202]
[15]	Sutherland R L 2002 J. Opt. Soc. Am. B. 19 2995
[16]	Drevenšek-Olenik I, Fally M, Ellabban M A 2006 Phys. Rev. E 74 021707
[17]	Vardanyan K K, Qi J, Eakin J N, Sarkar M D, Crawford G P 2002 Appl. Phys. Lett. 81 4736
[18]	McGehee M D, Heeger A J 2000 Adv. Mater. 12 1655
[19]	Kevin P K, Colin B, Stephen L, Werner J B, Fryad Z H, Henning R, Steffen P, Annett T, Hartwig T, Hans-Heinrich H 1999 J. Appl. Phys. 86 6155
[20]	Sarkar M D, Qi J, Crawford G P 2002 Polymer. 43 7335
[21]	Huang W B, Liu Y G, Diao Z H, Yang C L, Yao L S, Ma J, Xuan L 2012 Appl. Opt. 51 4013
[22]	Caputo R, Luca A D, Sio L D, Pezzi L, Strangi G, CUmeton, Veltri A, Asquini R, dAlessandro A, Donisi D, Beccherelli R, Sukhov A V, Tabiryan N V 2009 J. Opt. A: Pure Appl. Opt. 11 024017
[23]	Sutherland R L, Natarajan L V, Tondiglia V P, J. Bunning T, Adams W W 1994 Appl. Phys. Lett. 64 1074
[24]	Caputo R, Sio L D, Veltri A, Umeton C, Sukhov A V 2004 Opt. Lett. 29 1261
[25]	McGehee M D, Gupta R, Veenstra S, Miller E K, A. Diaz-Garc Ma, Heeger J 1998 Phys. Rev. B 58 7035
[26]	Tsutsumi N, Kawahira T, Sakai W 2003 Appl. Phys. Lett. 83 2533
[27]	Takahashi H, Naito H 2004 Thin Solid Films 477 53
[28]	Kogelnik H, Shank C V 1972 J. Appl. Phys. 43 2327

施引文献

[1]	Date M, Takeuchi Y, Kato K 1998 J. Phys. D: Appl. Phys. 31 2225
[2]	Zheng Z G, Song J, Zhang L L, Liu Y G, Guo F Z, Ma J, Li W C, Deng S P, Xuan L 2008 Chin. Phys. B 17 3227
[3]	Huang W B, Deng S P, Liu Y G, P eng Z H, Yao L S, Xuan L 2012 Acta Phys. Sin. 61 094208(in Chinese) [黄文彬, 邓舒鹏, 刘永刚, 彭增辉, 姚丽双, 宣丽 2012 61 094208]
[4]	Li M S, Wu S T, Fuh AY-G Appl 2006 Phys. Lett. 88 091109
[5]	Jakubiak R, Bunning T J, Vaia R A, Natarajan L V, Tondiglia V P 2003 Adv. Mater. 15 241
[6]	Jakubiak R, Natarajan L V, Tondiglia V, He G S, Prasad P N, Bunning T J, Vaia R A 2004 Appl. Phys. Lett. 85 6095
[7]	Hsiao VKS, Lu C, He G S, Pan M, Cartwright A N, Prasad P N 2005 Opt. Express. 13 3787
[8]	Liu Y J, Sun X W, Elim H I, Ji W 2007 Appl. Phys. Lett. 90 011109
[9]	Deng S P, Huang W B, Liu Y G, Diao Z H, P eng Z H, Yao L S, Xuan L 2012 Acta Phys. Sin. 61 126101(in Chinese) [邓舒鹏, 黄文彬, 刘永刚, 刁志辉, 彭增辉, 姚丽双, 宣丽 2012 61 126101]
[10]	Huang W B, Diao Z H, Yao L S, Cao Z L, Liu Y G, Ma J, Xuan L 2013 Appl. Phys. Express 6 022702
[11]	Ye C, Shi L, Wang J, Lo D, Zhu X G 2003 Appl. Phys. Lett. 83 4101
[12]	Jakubiak R, Tondiglia V P, Natarajan L V, Sutherland R L, Lloyd P, Bunning T J, Vaia R A 2005 Adv. Mater. 17 2807
[13]	Sutherland R L, Natarajan L V, Tondiglia V P 1993 Chem. Mater. 5 1533
[14]	Diao Z H, Huang W B, Deng S P, Liu Y G, P eng Z H, Yao L S, Xuan L 2013 Acta Phys. Sin. 62 034202(in Chinese) [刁志辉, 黄文彬, 邓舒鹏, 刘永刚, 彭增辉, 姚丽双, 宣丽 2013 62 034202]
[15]	Sutherland R L 2002 J. Opt. Soc. Am. B. 19 2995
[16]	Drevenšek-Olenik I, Fally M, Ellabban M A 2006 Phys. Rev. E 74 021707
[17]	Vardanyan K K, Qi J, Eakin J N, Sarkar M D, Crawford G P 2002 Appl. Phys. Lett. 81 4736
[18]	McGehee M D, Heeger A J 2000 Adv. Mater. 12 1655
[19]	Kevin P K, Colin B, Stephen L, Werner J B, Fryad Z H, Henning R, Steffen P, Annett T, Hartwig T, Hans-Heinrich H 1999 J. Appl. Phys. 86 6155
[20]	Sarkar M D, Qi J, Crawford G P 2002 Polymer. 43 7335
[21]	Huang W B, Liu Y G, Diao Z H, Yang C L, Yao L S, Ma J, Xuan L 2012 Appl. Opt. 51 4013
[22]	Caputo R, Luca A D, Sio L D, Pezzi L, Strangi G, CUmeton, Veltri A, Asquini R, dAlessandro A, Donisi D, Beccherelli R, Sukhov A V, Tabiryan N V 2009 J. Opt. A: Pure Appl. Opt. 11 024017
[23]	Sutherland R L, Natarajan L V, Tondiglia V P, J. Bunning T, Adams W W 1994 Appl. Phys. Lett. 64 1074
[24]	Caputo R, Sio L D, Veltri A, Umeton C, Sukhov A V 2004 Opt. Lett. 29 1261
[25]	McGehee M D, Gupta R, Veenstra S, Miller E K, A. Diaz-Garc Ma, Heeger J 1998 Phys. Rev. B 58 7035
[26]	Tsutsumi N, Kawahira T, Sakai W 2003 Appl. Phys. Lett. 83 2533
[27]	Takahashi H, Naito H 2004 Thin Solid Films 477 53
[28]	Kogelnik H, Shank C V 1972 J. Appl. Phys. 43 2327

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