基于飞秒锁模光纤激光脉冲基频光的差频产生红外光梳

马金栋; 吴浩煜; 路桥; 马挺; 时雷; 孙青; 毛庆和

doi:10.7498/aps.67.20172503

摘要

报道了一种基于飞秒锁模光纤激光脉冲基频光的光纤型差频产生（DFG）红外光梳及其研制技术.基于自主研制的重频锁定200 MHz飞秒锁模掺铒光纤激光器，经啁啾脉冲光纤放大与超连续谱产生技术，优化近零色散OFS光纤（型号：OFS-980-20）长度，结合可调延时线，获得了精准同步的基频双色脉冲；以GaSe为非线性晶体，利用光整流技术，产生了可在610 m范围内宽带调谐的DFG红外光梳，光梳最大光谱宽度可达1.3 m.这种光纤型远红外光梳可望在分子光谱精密测量等领域发挥重要作用.

关键词:

Abstract

Optical frequency comb (OFC) is a new type of high-quality laser source. The visible and near-infrared OFCs have become mature, and it has been widely used in optical frequency metrology, time/frequency transfer, precision laser spectroscopy and other fields. Since the mid and far-infrared spectral regions contain a large number of baseband absorption lines for molecules and the absorption intensities are several orders of magnitude higher than those in the visible and near-infrared spectral region, one has made great efforts to develop the mid and far-infrared OFCs in recent years. Although a variety of approaches to achieving infrared OFCs directly have been proposed, the method of difference frequency generation (DFG) infrared OFC based on the optical rectification technique is still more efficient. DFG infrared OFCs with widely tuning ability have been demonstrated based on fiber lasers so far. However, how to obtain the broadband spectrum for a DFG infrared OFC with widely tuning ability still needs to be solved. In this paper we report a fiber-type DFG infrared OFC by using the femtosecond pulses from a mode-locked erbium-doped fiber laser as the fundamental light. Based on the self-developed mode-locked fiber laser oscillator with repetition rate locked, the two-color fundamental pulse trains with the central wavelengths of 1.5 and 2.0 m are respectively achieved after the chirped pulse fiber amplification and all-fiber supercontinuum (SC) generation techniques have been utilized. With a time-domain synchronous detection system based on the intensity autocorrelation principle, the accurate synchronization with the fundamental two-color pulses is obtained by optimizing the OFS compensated fiber length and adjusting a tunable optical delay line. Finally, by using the optical rectification technique, a fiber-type DFG infrared OFC is successfully generated with the help of a suitable designed GaSe nonlinear crystal. Our experimental results also show that the spectral location of the DFG infrared OFC can be tuned by controlling the spectral shape of the SC combined with the adjustment of the phase-matching for the nonlinear crystal. The measured tuning range of the DFG infrared OFC is from 6 to 10 m, and the maximum spectral width is 1.3 m. This fiber-type DFG infrared OFC may play an important role in the molecular spectroscopy, the atmospheric environmental monitoring, and other fields.

Keywords:

作者及机构信息

1.
中国科学技术大学环境科学与光电技术学院, 合肥 230026;

2.
中国科学院安徽光学精密机械研究所, 安徽省光子器件重点实验室, 合肥 230031;

3.
中国计量科学研究院, 光学与激光计量科学研究所, 北京 100029

通信作者: 毛庆和, mqinghe@aiofm.ac.cn

基金项目: 国家自然科学基金（批准号：61377044，61250017）、国家重点基础研究发展计划（批准号：2013CB934304）和中国科学院战略性先导科技专项（B类）（批准号：XDB21010300）资助的课题.

Authors and contacts

1.
School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei 230026, China;

2.
Anhui Provincial Key Laboratory of Photonics Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China;

3.
Division of Optics, National Institute of Metrology, Beijing 100029, China

Corresponding author: Mao Qing-He, mqinghe@aiofm.ac.cn

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61377044, 61250017), the National Basic Research Program of China (Grant No. 2013CB934304), and the Strategic Priority Research Program of the Chinese Academy of Sciences (class B) (Grant No. XDB21010300).

参考文献

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[30]	Dudley J M, Genty G, Coen S 2006 Rev. Mod. Phys. 78 1135
[31]	Agrawal G P 2006 Nonlinear Fiber Optics (San Diego: Academic Press) pp7-12
[32]	Puppe T, Sell A, Kliese R, Hoghooghi N, Zach A, Kaenders W 2016 Opt. Lett. 41 1877

施引文献

[1]	Cundiff S T, Ye J 2003 Rev. Mod. Phys. 75 325
[2]	Jones D, Diddams S A, Ranka J K, Stentz A, Windeler R S, Hall J L, Cundiff S T 2000 Science 288 635
[3]	Udem T, Holzwarth R, Hnsch T W 2002 Nature 416 233
[4]	Margolis H S 2012 Chem. Soc. Rev. 41 5174
[5]	Ebrahim Z M, Sorokina I T 2008 Mid-Infrared Coherent Sources and Applications (Netherlands: Springer Verlag) p26
[6]	Todd M W, Provencal R A, Owano T G, Paldus B A, Kachanov A, Vodopyanov K L, Hunter M, Coy S L, Steinfeld J I, Arnold J T 2002 Appl. Phys. B 75 367
[7]	Schliesser A, Picqu N, Hnsch T W 2012 Nat. Photon. 6 440
[8]	Gustavo V, Sabine R, Johanna W, Dmitry K, Martin J S, Pierre J, Mattias B, Jrme F 2016 Optica 3 252
[9]	Austin G G, Meng J Y, Yoshitomo O, Jaime C, Aseema M, Alexander L G, Michal L 2016 Opt. Express 24 13044
[10]	Adler F, Masłowski P, Foltynowicz A, Cossel K C, Briles T C, Hartl I, Ye J 2010 Opt. Express 18 21861
[11]	Galli I, Bartalini S, Borri S, Cancio P, Mazzotti D, Natale P D, Giusfredi G 2011 Phys. Rev. Lett. 107 270802
[12]	Keilmann F, Gohle C, Holzwarth R 2004 Opt. Lett. 29 1542
[13]	Bernhardt B, Sorokin E, Jacquet P, Thon R, Becker T, Sorokina I T, Picqu N, Hnsch T W 2010 Appl. Phys. B 100 3
[14]	Hugi A, Villares G, Blaser S, Andreas, Liu H C, Faist J 2012 Nature 492 229
[15]	Wang C Y, Herr T, Del'Haye P, Schliesser A, Hofer J, Holzwarth R, Hnsch T W, Picqu N, Kippenberg T J 2013 Nat. Commun. 4 1345
[16]	Adler F, Cossel K C, Thorpe M J, Hartl I, Fermann M E, Ye J 2009 Opt. Lett. 34 1330
[17]	Reid D T, Gale B J S, Sun J 2008 Laser Phys. 18 87
[18]	Gambetta A, Coluccelli N, Cassinerio M, Gatti D, Laporta P, Galzerano G, Marangoni M 2013 Opt. Lett. 38 1155
[19]	Foreman S M, Marian A, Ye J, Petrukhin E A, Gubin M A, Mcke O D, Wong F N C, Ippen E P, Krtner F X 2005 Opt. Lett. 30 570
[20]	Schliesser A, Brehm M, Keilmann F 2005 Opt. Express 13 9029
[21]	Gambetta A, Ramponi R, Marangoni M 2008 Opt. Lett. 33 2671
[22]	Keilmann F, Amarie S 2012 J. Infrared Millim. Te. 33 479
[23]	Li J S, Yao J Q, Xu X Y, Zhong K, Xu D G, Wang P 2010 Acta Phot. Sin. 39 1491 (in Chinese) [李建松, 姚建铨, 徐小燕, 钟凯, 徐德刚, 王鹏 2010 光子学报 39 1491]
[24]	Hu C, Yue W, Chen T, Jiang P, Wu B, Shen Y 2017 Appl. Opt. 56 1574
[25]	Meng F, Cao S Y, Cai Y, Wang G Z, Cao J P, Li T C, Fang Z J 2011 Acta Phys. Sin. 60 100601 (in Chinese) [孟飞, 曹士英, 蔡岳, 王贵重, 曹建平, 李天初, 方占军 2011 物理学报 60 100601]
[26]	Zhang Y, Yan L, Zhao W, Meng S, Fan S, Zhang L, Guo G, Zhang S, Jiang H 2015 Chin. Phys. B 24 064209
[27]	Yang X T, Chen X L, Zhao J, Yang K W, Ding L E, Zeng H P 2014 Sci. Sin.: Phys. Mech. Astron. 44 698 (in Chinese) [杨行涛, 陈修亮, 赵健, 杨康文, 丁良恩, 曾和平 2014 中国科学: 物理学力学天文学 44 698]
[28]	Wu H Y, Shi L, Ma T, Ma J D, Lu Q, Sun Q, Mao Q H 2017 Chin. J. Lasers 44 0601008 (in Chinese) [吴浩煜, 时雷, 马挺, 马金栋, 路桥, 孙青, 毛庆和 2017 中国激光 44 0601008]
[29]	Ye J 2004 Opt. Lett. 29 1153
[30]	Dudley J M, Genty G, Coen S 2006 Rev. Mod. Phys. 78 1135
[31]	Agrawal G P 2006 Nonlinear Fiber Optics (San Diego: Academic Press) pp7-12
[32]	Puppe T, Sell A, Kliese R, Hoghooghi N, Zach A, Kaenders W 2016 Opt. Lett. 41 1877

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