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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共79条记录   Negative group velocity and three-wave mixing in dielectric crystals [作者：Shalaev, MI; Myslivets, SA; Slabko, VV; Popov, AK,期刊：OPTICS LETTERS, 页码：3861-3863 , 文章类型： Article，,卷期：2011年36-19] We investigate extraordinary features of optical parametric amplification of Stokes electromagnetic waves that originate from the three-wave mixing of a backward phonon wave with negative group velocity and two ordinary ... Optical switch of diffractive light from a BCT photonic crystal based on HPDLC doped with azo component [作者：Li, MS; Fuh, AYG; Wu, ST,期刊：OPTICS LETTERS, 页码：3864-3866 , 文章类型： Article，,卷期：2011年36-19] This study demonstrates an optical switch of the diffractive light from a body-centered tetragonal photonic crystal based on holographic polymer-dispersed liquid crystals that are fabricated using two-beam interference w... Enhancement of filamentation postcompression by astigmatic focusing [作者：Alonso, B; Borrego-Varillas, R; Sola, IJ; Varela, O; Villamarin, A; Collados, MV; San Roman, J; Bueno, JM; Roso, L,期刊：OPTICS LETTERS, 页码：3867-3869 , 文章类型： Article，,卷期：2011年36-19] The energy scaling up of pulse postcompression is still an open issue. In this work we analyze the use of astigmatic focusing to improve the output pulses in a filamentation based postcompression setup. Unlike spherical ... Pump-soliton nonlinear wave mixing in noise-driven fiber supercontinuum generation [作者：Erkintalo, M; Dudley, JM; Genty, G,期刊：OPTICS LETTERS, 页码：3870-3872 , 文章类型： Article，,卷期：2011年36-19] We report on the experimental observation of nonlinear mixing between Raman-shifting solitons and residual pump radiation in supercontinuum generation in the long-pulse regime. This resonant coherent process results in t... Lasing in thulium-doped polarizing photonic crystal fiber [作者：Modsching, N; Kadwani, P; Sims, RA; Leick, L; Broeng, J; Shah, L; Richardson, M,期刊：OPTICS LETTERS, 页码：3873-3875 , 文章类型： Article，,卷期：2011年36-19] We describe lasing of a thulium-doped polarizing photonic crystal fiber. A 4m long fiber with 50 mu m diameter core, 250 mu m diameter cladding, and d/Lambda ratio of 0.18 was pumped with a 793nm diode and produced a pol... Wide tuning of silicon-on-insulator ring resonators with a liquid crystal cladding [作者：De Cort, W; Beeckman, J; Claes, T; Neyts, K; Baets, R,期刊：OPTICS LETTERS, 页码：3876-3878 , 文章类型： Article，,卷期：2011年36-19] Wide electrical tuning of silicon-on-insulator ring resonators is demonstrated using a top cladding layer of nematic liquid crystals. A tuning range of 31 nm is demonstrated for ring resonators guiding the TM mode, cover... Rapid fabrication of microhole array structured optical fibers [作者：Yang, R; Yu, YS; Chen, C; Chen, QD; Sun, HB,期刊：OPTICS LETTERS, 页码：3879-3881 , 文章类型： Article，,卷期：2011年36-19] A microhole array in a common single-mode fiber is fabricated by selective chemical etching of femtosecond-laser-induced fiber Bragg grating (FBG), which has a laser-modified region extending from the fiber core to the c... Fabrication of a mid-IR wire-grid polarizer by direct imprinting on chalcogenide glass [作者：Yamada, I; Yamashita, N; Tani, K; Einishi, T; Saito, M; Fukumi, K; Nishii, J,期刊：OPTICS LETTERS, 页码：3882-3884 , 文章类型： Article，,卷期：2011年36-19] A mid-IR wire-grid polarizer with a 500nm pitch was fabricated on a low toxic chalcogenide glass (Sb-Ge-Sn-S system) by the thermal imprinting of periodic grating followed by the thermal evaporation of Al metal. After im... Group and phase velocity coupling of colliding pulses in a nanostructure [作者：Luo, X; Arissian, L; Masuda, K; Diels, JC,期刊：OPTICS LETTERS, 页码：3885-3887 , 文章类型： Article，,卷期：2011年36-19] It is generally accepted that, in a laser cavity, the group delay-responsible for the round trip time-and the phase delay both have a linear dependence on the cavity length. We show that nanostructures, such as quantum w... Diode-pumped femtosecond Yb:CaNb(2)O(6) laser [作者：Li, DZ; Xu, XD; Xu, CW; Zhang, J; Tang, DY; Cheng, Y; Xu, J,期刊：OPTICS LETTERS, 页码：3888-3890 , 文章类型： Article，,卷期：2011年36-19] Both CW and passive mode-locking operation of the laser are experimentally investigated. A maximum CW output power of 1.4W with a slope efficiency of 20% is obtained on a 7mm long 1.5 at:% Yb:CN crystal, while stable pas... Rapid vibrational imaging with sum frequency generation microscopy [作者：Raghunathan, V; Han, Y; Korth, O; Ge, NH; Potma, EO,期刊：OPTICS LETTERS, 页码：3891-3893 , 文章类型： Article，,卷期：2011年36-19] We demonstrate rapid vibrational imaging based on sum frequency generation (SFG) microscopy with a collinear excitation geometry. Using the tunable picosecond pulses from a high-repetition-rate optical parametric oscilla... Ultrathin side-viewing needle probe for optical coherence tomography [作者：Lorenser, D; Yang, X; Kirk, RW; Quirk, BC; McLaughlin, RA; Sampson, DD,期刊：OPTICS LETTERS, 页码：3894-3896 , 文章类型： Article，,卷期：2011年36-19] We present the smallest reported side-viewing needle probe for optical coherence tomography (OCT). Design, fabrication, optical characterization, and initial application of a 30-gauge (outer diameter 0.31mm) needle probe... Photonic approach for microwave spectral analysis based on Fourier cosine transform [作者：Wang, Y; Chi, H; Zhang, XM; Zheng, SL; Jin, XF,期刊：OPTICS LETTERS, 页码：3897-3899 , 文章类型： Article，,卷期：2011年36-19] A photonic approach for microwave spectral analysis based on Fourier cosine transform is proposed. The spectral information is obtained by processing a microwave power versus dispersion function, which is the product of ... Broadband supercontinuum generation in air using tightly focused femtosecond laser pulses [作者：Liu, XL; Lu, X; Liu, X; Feng, LB; Ma, JL; Li, YT; Chen, LM; Dong, QL; Wang, WM; Wang, ZH; Wei, ZY; Sheng, ZM; Zhang, J,期刊：OPTICS LETTERS, 页码：3900-3902 , 文章类型： Article，,卷期：2011年36-19] Supercontinuum generation in air using tightly focused femtosecond laser pulses was investigated experimentally. Broadband white-light emission covering the whole visible spectral region was generated. Spectral broadenin... Intrachannel nonlinearity enhancement in polarization multiplexed phase modulated systems with differential detection [作者：Mecozzi, A; Matera, F,期刊：OPTICS LETTERS, 页码：3903-3905 , 文章类型： Article，,卷期：2011年36-19] We compare nonlinear impairments in phase-modulated transmission with and without polarization multiplexing. Using an analytic approach that enabled us to accurately predict the Q factor at the receiver, we show that, wi... Generation of spirally polarized propagation-invariant beam using fiber microaxicon [作者：Philip, GM; Viswanathan, NK,期刊：OPTICS LETTERS, 页码：3906-3908 , 文章类型： Article，,卷期：2011年36-19] We present here a fiber microaxicon (MA) based method to generate spirally polarized propagation-invariant optical beam. MA chemically etched in the tip of a two-mode fiber efficiently converts the generic cylindrically ...