Results 11 to 20 of about 159,108 (278)

High-operating-temperature mid-infrared photodetectors via quantum dot gradient homojunction

Light: Science & Applications, 2023
Colloidal quantum dot gradient homojunction would effectively improve the detectivity of mid-infrared photodetector at high-operating temperatures, motivating interest in low-cost, solution-processed and high-performance mid-infrared photodetection.
Xiaomeng Xue, Menglu Chen, Yuning Luo, Tianling Qin, Xin Tang, Qun Hao   +5 more
doaj   +1 more source

Universal orbital angular momentum spectrum analyzer for beams

PhotoniX, 2020
The orbital angular momentum (OAM) of beams provides a new dimension, and have already found lots of applications in various domains. Among such applications, the precisely and quantitatively diagnostic of intensity distributions among different OAM ...
Shiyao Fu, Yanwang Zhai, Jianqiang Zhang, Xueting Liu, Rui Song, Heng Zhou, Chunqing Gao   +6 more
doaj   +1 more source

The role of tungsten oxide in Er3+-doped bismuth-germanate glasses for optical amplification in L-band

Scientific Reports, 2023
A series of novel Er3+-doped bismuth-germanate glasses containing different tungsten concentrations with a molar composition of 97.5[(75 − x)GeO2–25Bi2O3–(x)WO3]–2Sb2O3–0.5Er2O3 (x = 5, 10, 15, 20, and 25 mol%) were fabricated.
Hüseyin Can Çamiçi, Théo Guérineau, V. A. G. Rivera, Rodrigo Ferreira Falci, Sophie LaRochelle, Younès Messaddeq   +5 more
doaj   +1 more source

Femtosecond tunable solitons up to 4.8  µm using soliton self-frequency shift in an InF3 fiber

Scientific Reports, 2022
A tunable ultrashort soliton pulse source reaching up to 4.8 µm is demonstrated based on a 2.8 µm femtosecond fiber laser coupled to a zirconium fluoride fiber amplifier followed by a small core indium fluoride fiber.
Jean-Christophe Gauthier, Michel Olivier, Pascal Paradis, Marie-Frédérique Dumas, Martin Bernier, Réal Vallée   +5 more
doaj   +1 more source

High-performance γ-MnO2 Dual-Core, Pair-Hole Fiber for Ultrafast Photonics

Ultrafast Science, 2023
Manganese dioxide (MnO2) is a widely used and well-studied 3-dimensional (3D) transition metal oxide, which has advantages in ultrafast optics due to large specific surface area, narrow bandgap, multiple pores, superior electron transfer capability, and ...
Xiaohui Li, Xiangzhen Huang, Yueheng Han, Enci Chen, Penglai Guo, Wenmin Zhang, Mingqi An, Zhiwen Pan, Qian Xu, Xiaoxiao Guo, Xiwei Huang, Yishan Wang, Wei Zhao   +12 more
doaj   +1 more source

Augmented reality and virtual reality displays: emerging technologies and future perspectives

Light: Science & Applications, 2021
Emerging holographic optical elements and lithography-based devices are enhancing the performances of augmented reality and virtual reality displays with glasses-like form factor.
Jianghao Xiong, En-Lin Hsiang, Ziqian He, Tao Zhan, Shin-Tson Wu   +4 more
doaj   +1 more source

PHOTONICS AND OPTICAL INFORMATICS IN EUROPE: TRENDS OF 2003–2013 [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2014
Retrospective structure analysis of the European scientific and technological platforms – photonics, nanomaterials and photovoltaics – is represented from the point of view of their structure, interpenetration of subjects and dynamics of the changes ...
I. L. Livshits, A. V. Olshevskaya, V. A. Zhogina, E. A. Denisova, G. L. Markina, U. H. Paul   +5 more
doaj  

Concept and optical design of the cross-disperser module for CRIRES [PDF]

, 2014
This is the peer reviewed version of the following article: Oliva, Ernesto, A. Tozzi, D. Ferruzzi, L. Origlia, A. Hatzes, R. Follert, T. Loewinger et al.
Anglada-Escude, G, Baade, D, Bristow, P, Delabre, B, Dorn, RJ, Ferruzzi, D, Follert, R, Gojak, D, Grunhut, J, Hatzes, A, Heiter, U, Hilker, M, Ives, DJ, Jung, Y, Kaeufl, HU, Kerber, F, Klein, B, Lizon, JL, Lockhart, M, Loewinger, T, Marquart, T, Oliva, E, Origlia, L, Pasquini, L, Paufique, J, Piskunov, N, Pozna, E, Reiners, A, Seemann, U, Smette, A, Smoker, J, Stempels, E, Tozzi, A, Valenti, E   +33 more
core   +2 more sources

Antireflection of optical anisotropic dielectric metasurfaces

Scientific Reports, 2023
We propose a hetero-nano-fin structure to further improve the efficiency of Pancharatnam–Berry phase metasurfaces. Two hetero-nano-fin types, MgF2/GaN and MgF2/Nb2O5, were investigated.
Yu-Hsuan Liao, Wei-Lun Hsu, Chen-Yi Yu, Chih-Ming Wang   +3 more
doaj   +1 more source

Luneburg lens in silicon photonics [PDF]

, 2011
The Luneburg lens is an aberration-free lens that focuses light from all directions equally well. We fabricated and tested a Luneburg lens in silicon photonics.
Andrea Di Falco, Colombini, Colombini, Ergin, Gabrielli, Huidobro, Kundtz, Leonhardt, Leonhardt, Lipson, Liu, Ma, Minano, Pendry, Reardon, Smolyaninova, Susanne C. Kehr, Ulf Leonhardt, Valentine, Yao, Yao, Zernike   +21 more
core   +2 more sources