非均匀拉盖尔-高斯关联光束及其传输特性

余佳益; 陈亚红; 蔡阳健

doi:10.7498/aps.65.214202

摘要

提出了一种新型特殊关联部分相干光束即非均匀拉盖尔-高斯关联光束，其在x和y方向上的关联结构函数分别为非均匀关联和拉盖尔-高斯关联函数.基于广义惠更斯-菲涅耳衍射积分公式，推导了这种光束交叉谱密度函数在自由空间以及大气湍流中的传输式，并计算了该光束经过自由空间和湍流大气传输的光强分布和关联结构函数分布演化特性.研究发现，该光束光强分布在传输过程中展现出自聚焦、自偏移和自分裂等奇异特性，同时发现控制关联结构函数参数可以有效地降低湍流大气的影响.关联结构调控为操控光束传输行为提供了一种新颖而有效的手段，在大气激光通信、微粒操控等领域具有重要的应用前景.

关键词:

Abstract

The conventional partially coherent beam has a Gaussian correlated Schell-model function. In 2007, Gori and Santarsiero[Gori F, Santarsiero M 2007 Opt. Lett. 32 3531] discussed the sufficient condition for devising a genuine correlation function of a partially coherent beam. Since then, a variety of partially coherent beams with nonconventional correlation functions, such as nonuniform correlated beam, Hermite-Gaussian correlated beam, Laguerre-Gaussian correlated beam and beam with optical coherence lattices, have been introduced, and such beams display many extraordinary propagation properties, such as self-focusing, self-shifting, self-splitting, self-shaping and periodicity reciprocity, and they have useful applications in many areas, such as free-space optical communication, particle trapping, image transmission and optical encryption.In most of previous studies, the correlation function of the partially coherent beam was assumed to be isotropic. In this paper, we introduce a new kind of partially coherent beam with anisotropic correlation function, which is named nonuniform Laguerre-Gaussian correlated（NLGC) beam. The NLGC beam has a nonuniform correlated function in the x-direction and Laguerre-Gaussian correlated Schell-model function in the y-direction. Furthermore, we explore the propagation properties of the NLGC beam in free space and in turbulent atmosphere comparatively with the help of the extended Huygens-Fresnel integral. In free space, it is found that the intensity distribution of the NLGC beam displays self-focusing and self-shifting behaviors in the x-direction and self-splitting properties in the y-direction during its propagation, which may be useful for particle trapping, and the distribution of the degree of coherence also varies during its propagation. In turbulent atmosphere, the NLGC beam displays similar propagation properties at short propagation distance because the influence of turbulence can be neglected, while with the further increase of the propagation distance, the influence of turbulence accumulates and both the intensity distribution and the degree of coherence distribution evolve into Gaussian profiles. We also find that the evolution properties of the intensity distribution and the degree of coherence are closely related to the mode order m of the correlation function, e.g. the intensity distribution and the degree of coherence distribution evolve into Gaussian profiles more slowly as the mode order m increases, which means that the NLGC beam with larger m is less affected by turbulence, which may be useful in free-space optical communication.Our results clearly show that modulating the correlation function of a partially coherent beam provides a novel way of manipulating its propagation properties, and will be useful in many applications, where light beam is required to possess a prescribed beam profile and controlled propagation properties. In this paper, only the NLGC beam is treated theoretically, and such a beam deserves further experimental investigation.

Keywords:

作者及机构信息

1.
苏州大学物理与光电·能源学部, 苏州 215000;

2.
苏州大学, 苏州纳米科技协同创新中心, 苏州 215000

通信作者: 蔡阳健, yangjiancai@suda.edu.cn

基金项目: 国家杰出青年科学基金（批准号：11525418）、国家自然科学基金（批准号：11274005）和江苏高校优势学科建设工程资助的课题.

Authors and contacts

1.
College of Physics, Optoelectronics and Energy, Soochow University, Suzhou 215006, China;

2.
Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China

Corresponding author: Cai Yang-Jian, yangjiancai@suda.edu.cn

Funds: Project supported by the National Natural Science Fund for Distinguished Young Scholar(Grant No. 11525418), the National Natural Science Foundation of China(Grant No. 11274005), and the Project of the Priority Academic Program Development(PAPD) of Jiangsu Higher Education Institutions, China.

参考文献

[1]	Kato Y, Mima K, Miyanaga N, Arinaga S, Kitagawa Y, Nakatsuka M, Yamanaka C 1984 Phys. Rev. Lett. 53 1057
[2]	Kermisch D 1975 J. Opt. Soc. Am. 65 887
[3]	Cai Y J, Zhu S Y 2005 Phys. Rev. E 71 056607
[4]	Dong Y M, Wang F, Zhao C L, Cai Y J 2012 Phys. Rev. A 86 013840
[5]	Ricklin J C, Davidson F M 2012 Nat. Photon. 6 355
[6]	Mandel L, Wolf E 1995 Optical Coherence and Quantum Optic s(Cambridge:Cambridge University Press) pp33-39
[7]	Gori F, Santarsiero M 2007 Opt. Lett. 32 3531
[8]	Gori F, Sanchez V R, Santarsiero M, Shirai T 2009 J. Opt. A 11 085706
[9]	Lajunen H, Saastamoinen T 2011 Opt. Lett. 36 4104
[10]	Chen Y H, Gu J X, Wang F, Cai Y J 2015 Opt. Express 23 13467
[11]	Sahin S, Korotkova O 2012 Opt. Lett. 37 2970
[12]	Ma L, Ponomarenko S A 2014 Opt. Lett. 39 6656
[13]	Chen Y H, Ponomarenko S A, Cai Y J 2016 Appl. Phys. Lett. 109 061107
[14]	Mei Z R, Korotkova O 2013 Opt. Lett. 38 91
[15]	Wang F, Liu X L, Yuan Y S, Cai Y J 2013 Opt. Lett. 38 1814
[16]	Chen Y H, Cai Y J 2014 Opt. Lett. 39 2549
[17]	Chen Y H, Wang F, Liu L, Zhao C L, Cai Y J, Korotkova O 2014 Phys. Rev. A 89 013801
[18]	Yuan Y S, Liu X L, Wang F, Chen Y H, Cai Y J, Qu J, Eyyuboğu H T 2013 Opt. Commun. 305 57
[19]	Tong Z S, Korotkova O 2012 Opt. Lett. 37 3240
[20]	Gu Y L, Gbur G 2013 Opt. Lett. 38 1395
[21]	Brown D P, Brown T G 2008 Opt. Express 16 20418
[22]	Liu X Y, Zhao D M 2015 Opt. Commun. 354 250
[23]	Chen Y H, Yu J Y, Yuan Y S, Wang F, Cai Y J 2013 Opt. Lett. 38 4821
[24]	Andrews L C, Phillips R L, Hopen C Y 2001 Laser Beam Scintillation with Applications (Vol. 99)(Washington:SPIE Press) pp35-37
[25]	Gbur G 2014 J. Opt. Soc. Am. A 31 2038
[26]	Wang F, Liu X L, Cai Y J 2015 Prog. Electromagn. Res. 150 123

施引文献

[1]	Kato Y, Mima K, Miyanaga N, Arinaga S, Kitagawa Y, Nakatsuka M, Yamanaka C 1984 Phys. Rev. Lett. 53 1057
[2]	Kermisch D 1975 J. Opt. Soc. Am. 65 887
[3]	Cai Y J, Zhu S Y 2005 Phys. Rev. E 71 056607
[4]	Dong Y M, Wang F, Zhao C L, Cai Y J 2012 Phys. Rev. A 86 013840
[5]	Ricklin J C, Davidson F M 2012 Nat. Photon. 6 355
[6]	Mandel L, Wolf E 1995 Optical Coherence and Quantum Optic s(Cambridge:Cambridge University Press) pp33-39
[7]	Gori F, Santarsiero M 2007 Opt. Lett. 32 3531
[8]	Gori F, Sanchez V R, Santarsiero M, Shirai T 2009 J. Opt. A 11 085706
[9]	Lajunen H, Saastamoinen T 2011 Opt. Lett. 36 4104
[10]	Chen Y H, Gu J X, Wang F, Cai Y J 2015 Opt. Express 23 13467
[11]	Sahin S, Korotkova O 2012 Opt. Lett. 37 2970
[12]	Ma L, Ponomarenko S A 2014 Opt. Lett. 39 6656
[13]	Chen Y H, Ponomarenko S A, Cai Y J 2016 Appl. Phys. Lett. 109 061107
[14]	Mei Z R, Korotkova O 2013 Opt. Lett. 38 91
[15]	Wang F, Liu X L, Yuan Y S, Cai Y J 2013 Opt. Lett. 38 1814
[16]	Chen Y H, Cai Y J 2014 Opt. Lett. 39 2549
[17]	Chen Y H, Wang F, Liu L, Zhao C L, Cai Y J, Korotkova O 2014 Phys. Rev. A 89 013801
[18]	Yuan Y S, Liu X L, Wang F, Chen Y H, Cai Y J, Qu J, Eyyuboğu H T 2013 Opt. Commun. 305 57
[19]	Tong Z S, Korotkova O 2012 Opt. Lett. 37 3240
[20]	Gu Y L, Gbur G 2013 Opt. Lett. 38 1395
[21]	Brown D P, Brown T G 2008 Opt. Express 16 20418
[22]	Liu X Y, Zhao D M 2015 Opt. Commun. 354 250
[23]	Chen Y H, Yu J Y, Yuan Y S, Wang F, Cai Y J 2013 Opt. Lett. 38 4821
[24]	Andrews L C, Phillips R L, Hopen C Y 2001 Laser Beam Scintillation with Applications (Vol. 99)(Washington:SPIE Press) pp35-37
[25]	Gbur G 2014 J. Opt. Soc. Am. A 31 2038
[26]	Wang F, Liu X L, Cai Y J 2015 Prog. Electromagn. Res. 150 123

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