Simultaneous broadband generation of second and third harmonics from chirped nonlinear photonic crystals

被引:78
作者
Chen, Bao-Qin [1 ]
Ren, Ming-Liang [1 ]
Liu, Rong-Juan [1 ]
Zhang, Chao [1 ]
Sheng, Yan [2 ]
Ma, Bo-Qin [3 ]
Li, Zhi-Yuan [1 ]
机构
[1] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100190, Peoples R China
[2] Australian Natl Univ, Res Sch Phys & Engn, Laser Phys Ctr, Canberra, ACT 0200, Australia
[3] Commun Univ China, Coll Sci, Beijing 100024, Peoples R China
关键词
chirped periodically poled lithium niobate; quasiphase matching; second-harmonic generation; third-harmonic generation; PHASE-MATCHING BANDWIDTH; POLED LITHIUM-NIOBATE; 2ND-HARMONIC GENERATION; 3RD-HARMONIC GENERATION; GRATINGS; SUPERLATTICE; COMPRESSION; PULSES; LIGHT;
D O I
10.1038/lsa.2014.70
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Ultrabroadband laser sources are highly desirable in a wide variety of modern science disciplines ranging from physics, chemistry and materials science to information communications and processing. Here we present the design and fabrication of a chirped periodically poled lithium niobate (CPPLN) nonlinear photonic crystal that supports multiple orders of quasiphase matching with finite bandwidth and allows for the simultaneous broadband generation of second and third harmonics with high conversion efficiency. Moreover, the chirp rate has a significant influence on the conversion efficiency and bandwidth. The CPPLN scheme offers a promising approach for the construction of short-wavelength laser sources and enables the generation of the three primary colors-red, green and blue-from a single crystal, which may have potential applications in large-screen laser displays.
引用
收藏
页码:e189 / e189
页数:6
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