Study on the performance of thin-film VCSELs on composite metal substrate [0.03%]
复合金属基片薄膜VCSELs性能研究
William Anderson Lee Sanchez,Shreekant Sinha,Po-Yu Wang et al.
William Anderson Lee Sanchez et al.
Thin film p-side up vertical-cavity surface-emitting lasers (VCSELs) with 940 nm wavelength on a composite metal (Copper/Invar/Copper; CIC) substrate has been demonstrated by twice-bonding transfer and substrate removing techniques. The CIC...
Monolithic tapered Yb-doped fiber chirped pulse amplifier delivering 126 μJ and 207 MW femtosecond laser with near diffraction-limited beam quality [0.03%]
一种产生近衍射极限光束质量的126微焦耳能量和207太瓦峰值功率飞秒激光的单片端面抽运掺饵光纤展宽器放大器
Tao Wang,Bo Ren,Can Li et al.
Tao Wang et al.
In this work, a high-energy and high peak power chirped pulse amplification system with near diffraction-limited beam quality based on tapered confined-doped fiber (TCF) is experimentally demonstrated. The TCF has a core numerical aperture ...
Upconversion luminescence and optical thermometry behaviors of Yb3+ and Ho3+ co-doped GYTO crystal [0.03%]
掺Yb³⁺和Ho³⁺的GYTO晶体的上转换发光及光学温测行为研究
Chuancheng Zhang,Shoujun Ding,Miaomiao Wang et al.
Chuancheng Zhang et al.
Optical thermometry based on the upconversion (UC) luminescence intensity ratio (LIR) has attracted considerable attention because of its feasibility for achievement of accurate non-contact temperature measurement. Compared with traditional...
Yanran Wu,Bing Duan,Changhong Li et al.
Yanran Wu et al.
Optical microcavities have the ability to confine photons in small mode volumes for long periods of time, greatly enhancing light-matter interactions, and have become one of the research hotspots in international academia. In recent years, ...
Fluoride passivation of ZnO electron transport layers for efficient PbSe colloidal quantum dot photovoltaics [0.03%]
氟钝化ZnO电子传输层高效PbSe胶体量子点光伏器件
Jungang He,You Ge,Ya Wang et al.
Jungang He et al.
Lead selenide (PbSe) colloidal quantum dots (CQDs) are suitable for the development of the next-generation of photovoltaics (PVs) because of efficient multiple-exciton generation and strong charge coupling ability. To date, the reported hig...
Stable PbS colloidal quantum dot inks enable blade-coating infrared solar cells [0.03%]
稳定的PbS胶体量子点墨水可实现刮涂红外太阳能电池
Xinzhao Zhao,Mingyu Li,Tianjun Ma et al.
Xinzhao Zhao et al.
Infrared solar cells are more effective than normal bandgap solar cells at reducing the spectral loss in the near-infrared region, thus also at broadening the absorption spectra and improving power conversion efficiency. PbS colloidal quant...
Widely tunable and high resolution mid-infrared laser based on BaGa4Se7 optical parametric oscillator [0.03%]
一种基于BaGa4Se7晶体的宽调谐、高分辨中红外光学参量振荡激光源
Qing Ye,Hui Kong,Jintian Bian et al.
Qing Ye et al.
The widely tunable and high resolution mid-infrared laser based on a BaGa4Se7 (BGSe) optical parametric oscillator (OPO) was demonstrated. A wavelength tuning range of 2.76-4.64 μm and a wavelength tuning resolution of about 0.3 nm were ob...
Inorganic A-site cations improve the performance of band-edge carriers in lead halide perovskites [0.03%]
无机A位阳离子可提升铅基卤素钙钛矿材料的带边载流子性能
Cheng Wang,Yaoguang Rong,Ti Wang
Cheng Wang
In lead halide perovskites, organic A-site cations are generally introduced to fine-tune the properties. One of the questions under debate is whether organic A-site cations are essential for high-performance solar cells. In this study, we c...
Huaqing Qiu,Yong Liu,Xiansong Meng et al.
Huaqing Qiu et al.
An optical phased array (OPA) is a promising non-mechanical technique for beam steering in solid-state light detection and ranging systems. The performance of the OPA largely depends on the phase shifter, which affects power consumption, in...
Massive and parallel 10 Tbit/s physical random bit generation with chaotic microcomb [0.03%]
基于混沌微频梳的兆比特物理随机数发生器
Yuqi Hu,Qingsong Bai,Xi Tang et al.
Yuqi Hu et al.
Ultrafast physical random bit (PRB) generators and integrated schemes have proven to be valuable in a broad range of scientific and technological applications. In this study, we experimentally demonstrated a PRB scheme with a chaotic microc...