Near-perfect absorption of a honeycomb metasurface through QBICs
All-dielectric high-Q metasurface absorbers based on quasi-bound states in the continuum (QBICs) are essential for optical and photonic ... (Source: Optics Letters)
Source: Optics Letters - March 19, 2024 Category: Physics Authors: Haosen Zhang Kedi Wu Guo Ping Wang Source Type: research
Dual-wavelength channel GHz repetition rate mode-locked VECSEL cavities sourced from a common gain medium
Mode-locked vertical external cavity semiconductor lasers are a unique class of nonlinear dynamical systems driven far from equilibrium. We ... (Source: Optics Letters)
Source: Optics Letters - March 19, 2024 Category: Physics Authors: Simon P. Tsaoussis Sadhvikas Addamane R. Jason Jones Jerome V. Moloney Source Type: research
Multi-harmonic near-infrared – ultraviolet dual-comb spectrometer
Dual-comb spectroscopy in the ultraviolet (UV) and visible would enable broad bandwidth electronic spectroscopy with unprecedented ... (Source: Optics Letters)
Source: Optics Letters - March 19, 2024 Category: Physics Authors: Kristina F. Chang Daniel M. B. Lesko Carter Mashburn Peter Chang Eugene Tsao Alexander J. Lind Scott A. Diddams Source Type: research
Interplay between gain and loss in arrays of nonlinear plasmonic nanoparticles: toward parametric downconversion and amplification
With the help of a theoretical model and finite-difference time-domain (FDTD) simulations based on the hydrodynamic – Maxwell model, ... (Source: Optics Letters)
Source: Optics Letters - March 19, 2024 Category: Physics Authors: Syed A. Shah Michael R. Clark Joseph Zyss Maxim Sukharev Andrei Piryatinski Source Type: research
Subwavelength resolution using the near field of quantum emitters
We propose a novel, to the best of our knowledge, approach to superresolution optical imaging by combining quantum optics and near-field ... (Source: Optics Letters)
Source: Optics Letters - March 19, 2024 Category: Physics Authors: Aziz Kolk ı ran Source Type: research
Toward high-energy few-cycle optical vortices with minimized topological charge dispersion
A simple approach to generate high-energy few-cycle optical vortices with minimized topological charge dispersion is introduced. By means ... (Source: Optics Letters)
Source: Optics Letters - March 19, 2024 Category: Physics Authors: Federico J. Furch Gunnar Arisholm Source Type: research
Chirp-driven control over fast – slow light effects in epsilon-near-zero metamaterials
Optical applications based on fast and slow light effects force the usage of metamaterials famous for their flexible dispersion properties. ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: V. B. Novikov A. A. Dotsenko A. P. Leontiev K. S. Napolskii T. V. Murzina Source Type: research
208 W single-frequency 1064 nm laser based on a single-crystal fiber master-oscillator power amplifier
High-power all-solid-state continuous-wave (CW) single-frequency laser with high linear polarization is a significant source for quantum ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: Yixiao Wei Weina Peng Jiawei Li Pixian Jin Jing Su Huadong Lu Source Type: research
Wavelength-switchable watt-level continuous wave near-infrared Pr^3+:LiYF_4 lasers pumped by an InGaN laser diode
We report a high-performance wavelength-switchable near-infrared Pr^3+:LiYF_4 (Pr:YLF) laser by InGaN laser diode (LD) pumping. The 895, ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: Zhuang Li Wenlu Liao Zheng Zhang Huiying Xu Zhiping Cai Source Type: research
Net-432-Gb/s/ λ PS-PAM transmission based on advanced DSP and single DAC for 400?G/ λ IM/DD links
The escalating surge in datacenter traffic creates a pressing demand for augmenting the capacity of cost-effective intensity modulation and ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: An Yan Guoqiang Li Sizhe Xing Wangwei Shen Yongzhu Hu Aolong Sun Jianyang Shi Ziwei Li Chao Shen Nan Chi Junwen Zhang Source Type: research
Decolorization, spectral broadening, and luminescence enhancement in Tb:Y_2O_3 transparent ceramics through vacuum thermal reduction
Tb^3+ is extensively employed in magneto-optical devices and luminescent materials owing to its distinctive physical properties. However, ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: Cong Zhang Jianqi Qi Lexing Liang Yonggang Yan Tiecheng Lu Source Type: research
Sub-Nyquist sampling-based high-frequency photoacoustic computed tomography
High-frequency (greater than 30?MHz) photoacoustic computed tomography (PACT) provides the opportunity to reveal finer details of ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: Songde Liu Chenxi Zhang Junyi Zhang Xingyang Liu Benpeng Zhu Chao Tian Source Type: research
Delta-sigma modulation supporting the 4194304QAM dual polarization signal at the W-band transmission over a 4.6?km wireless distance
In this Letter, we propose a dual-polarized coherent millimeter-wave system based on differential delta-sigma modulation (D-DSM) intended ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: Jiaxuan Liu Jianjun Yu Xianming Zhao Long Zhang Xiongwei Yang Yi Wei Mingxu Wang Bohan Sang Feng Zhao Source Type: research
Polarization-insensitive high-numerical-aperture metalens for wide-field super-resolution imaging
The development of super-oscillatory lens (SOL) offers opportunities to realize far-field label-free super-resolution microscopy. Most ... (Source: Optics Letters)
Source: Optics Letters - March 18, 2024 Category: Physics Authors: Lieyu Chen Wenwei Liu Zhancheng Li Yuebian Zhang Hua Cheng Jianguo Tian Shuqi Chen Source Type: research
Pre-equalization scheme for visible light communications with trial-and-error learning
In this Letter, we propose a novel, to the best of our knowledge, neural network pre-equalizer based on the trial-and-error (TE) ... (Source: Optics Letters)
Source: Optics Letters - March 15, 2024 Category: Physics Authors: Shupeng Li Yi Zou Fangming Liu Jian Song Source Type: research
