Coverage extended MMF-based indoor OWC using overfilled launch and diversity reception
Speckle patterns generated as coherent optical beams are reflected by scattering elements. Multimode fibers (MMFs) can modify the ... (Source: Optics Letters)
Source: Optics Letters - March 12, 2024 Category: Physics Authors: Jin Shi Yuzhe Wang Xinda Yan Zhengying Li Eduward Tangdiongga Source Type: research
Quantifying distortion in time-correlated single photon counting: a universal parameter
One major drawback of the classic time-correlated single photon counting (TCSPC) technique is pileup-related distortion. To keep it under a ... (Source: Optics Letters)
Source: Optics Letters - March 12, 2024 Category: Physics Authors: Angela Bovolenta Alessandro Cominelli Giulia Acconcia Ivan Rech Source Type: research
Optical structuring and finishing toward mid-spatial-frequency error reduction using femtosecond lasers
We demonstrate nano-structuring and the reduction of mid-spatial-frequency errors using femtosecond laser figuring and finishing. For the ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Gong Chen Jie Qiao Source Type: research
Zeptojoule detection of terahertz pulses by parametric frequency upconversion
We combine parametric frequency upconversion with the single-photon counting technology to achieve terahertz (THz) detection sensitivity ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: D é fi Junior Jubgang Fandio Aswin Vishnuradhan Eeswar Kumar Yalavarthi Wei Cui Nicolas Couture Angela Gamouras Jean-Michel M é nard Source Type: research
Coherent perfect absorption from asymmetry transmissive Helmholtz resonator metamaterials
We propose an asymmetry transmissive (AT) Helmholtz resonator metamaterial to interact with dual incidences of different polarizations from ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Wenbo Liu Rui Yang Donghao Zhao Source Type: research
High quality holographic 3D display with enhanced focus cues based on multiple directional light reconstruction
Holographic display faces the trade-off between image quality and focus cues, resulting from the specific choice of phase distribution. In ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Zi Wang Li Liang Tao Chen Guoqiang Lv Qibin Feng Anting Wang Hai Ming Source Type: research
Beam-shaped femtosecond laser printing of quasi-capsule-shaped holographic terahertz metasurfaces
Terahertz (THz) metasurfaces have opened up a new avenue for the THz wavefront modulation. However, high-efficient and low-cost fabrication ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Dan Rao Jing Qian Xiaohan Yu Lequn Liu Guande Wang Yiwen Zhou Teng Zhang Quanzhong Zhao Source Type: research
Polarization-resolved super-resolution second-harmonic generation imaging based on multifocal structured illumination microscopy
Polarization-resolved second-harmonic generation (PSHG) microscopy is widely used in investigating the structural and morphological ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Yong Zhang Chenshuang Zhang Renlong Zhang Rong Xu Bin Yu Danying Lin Junle Qu Source Type: research
Tunability-selective lithium niobate light modulators via high-Q resonant metasurface
Herein, we propose and demonstrate an efficient light modulator by intercalating the nonlinear thin film into the optical resonator ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Xiaoshan Liu Guolan Fu Shimei Song Yikun Huang Mulin Liu Guiqiang Liu Zhengqi Liu Source Type: research
Multiple hyperbolic waves
This study presents a conceptual design for a hyperbolic material utilizing transformation optics. This material is designed to produce ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Zixun Ge Shan Zhu Wen Xiao Huanyang Chen Source Type: research
Coherent multi-band MIMO radar: robustness analysis to SSMF-based RF signal delivery
A numerical evaluation is conducted to assess the impact of distributing radio frequency (RF) signals through optical fiber links on the ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Gaurav Pandey Mirco Scaffardi Salvatore Maresca Malik Muhammad Haris Amir Antonella Bogoni Antonio Malacarne Source Type: research
Wearable photoacoustic watch for humans
Longitudinal detection of hemodynamic changes based on wearable devices is imperative for monitoring human healthcare. Photoacoustic effect ... (Source: Optics Letters)
Source: Optics Letters - March 11, 2024 Category: Physics Authors: Ting Zhang Heng Guo Weizhi Qi Lei Xi Source Type: research
Robust self-injection locking to a non-confocal monolithic Fabry – Perot cavity
We demonstrate an efficient simultaneous self-injection locking of two semiconductor lasers to high-order modes of a standalone monolithic ... (Source: Optics Letters)
Source: Optics Letters - March 8, 2024 Category: Physics Authors: Anatoliy Savchenkov Wei Zhang Vladimir Iltchenko Andrey Matsko Source Type: research
Hyperspectral digital holography realized by using an electro-optical frequency comb via injection locking
Hyperspectral digital holography (HSDH) is a versatile holographic imaging technique that offers large unambiguous depth range and ... (Source: Optics Letters)
Source: Optics Letters - March 8, 2024 Category: Physics Authors: Ziwen Long ZhengChao Yuan Xinyu Fan Zuyuan He Source Type: research
Selective excitation of high-order modes in two-dimensional cavity resonator integrated grating filters
The selective spatial mode excitation of a bi-dimensional grating-coupled micro-cavity called a cavity resonator integrated grating filter ... (Source: Optics Letters)
Source: Optics Letters - March 7, 2024 Category: Physics Authors: Antoine Rouxel Olivier Gauthier-Lafaye Antoine Monmayrant St é phane Calvez Source Type: research
