Variational autoencoder-assisted unsupervised hardware fingerprint authentication in a fiber network
Physical-layer authentication (PLA) based on hardware fingerprints can safeguard optical networks against large-scale masquerade or active ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Yilin Qiu Xinyong Peng Xinran Huang Zhi Chai Mingye Li Weisheng Hu Xuelin Yang Source Type: research
Dynamic beam steering for wireless optical power transfer in IoT applications
The alignment of a receiver with a pencil beam in a wireless optical power transfer (WOPT) system employing a resonance beam charging (RBC) ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Ngoc-Luu Nguyen Khanh-Hung Nguyen Javed Nadeem Jinyong Ha Source Type: research
High-efficiency radiation-balanced Yb-doped silica fiber laser with 200-mW output
The focus of this study was the development of a second generation of fiber lasers internally cooled by anti-Stokes fluorescence. The laser ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Enkeleda Balliu Bailey Meehan Mary Ann Cahoon Thomas W. Hawkins John Ballato Peter D. Dragic Tommy Boilard Lauris Talbot Martin Bernier Michel J. F. Digonnet Source Type: research
Fractional topological charge measurement through optical correlation
The emerging field of optical vortex beams having fractional topological charges (TCs) is of high interest due to its usefulness in various ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Allarakha Shikder Jyoti Bikash Mohapatra Naveen K. Nishchal Source Type: research
Coherent radiation at visible wavelengths from sub-keV electron beams
The Smith – Purcell effect allows for coherent free-electron-driven compact light sources over the entire electromagnetic spectrum. ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Dolev Roitman Aviv Karnieli Shai Tsesses Zahava Barkay Ady Arie Source Type: research
Nonreciprocal magnon blockade based on nonlinear effects
We present an alternative scheme to achieve nonreciprocal unconventional magnon blockade (NUMB) in a hybrid system formed by two microwave ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Han-Qiu Zhang Shuang-Shuo Chu Jian-Song Zhang Wen-Xue Zhong Guang-Ling Cheng Source Type: research
Free spectral range measurement based on a multi-longitudinal mode laser self-mixing ellipse fitting degree detection technique
A method by detecting the ellipse fitting degree of the trajectory equation formed by two self-mixing (SM) signals in the ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Zhen Huang Haozhong Xu Dongyu Li Source Type: research
Experimental demonstration of 17.5 Gb/s physical layer key distribution over 100?km fiber link based on channel physical intrinsic property and polarization reciprocity
Secure key distribution (SKD) schemes based on fiber channel reciprocity provide information-theoretic security as well as a simple ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Taihang Qiu Lei Deng Qi Yang Xiaoxiao Dai Deming Liu Mengfan Cheng Source Type: research
Extending the reach of multi-core fiber via Voronoi constellations with concatenated multilevel coding
This Letter proposes a novel, to the best of our knowledge, coded modulation scheme for randomly coupled multi-core fiber (RC-MCF) via ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Can Zhao Bin Chen Yi Lei Shen Li Jiaqi Cai Daohui Hu Wenkai Fang Lin Sun Source Type: research
Unsupervised spectral reconstruction from RGB images under two lighting conditions
Unsupervised spectral reconstruction (SR) aims to recover the hyperspectral image (HSI) from corresponding RGB images without annotations. ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Xuheng Cao Yusheng Lian Zilong Liu Jin Li Kaixuan Wang Source Type: research
Efficient photorefractive effect triggered by pyroelectricity in magnesium doped LiNbO_3 films
An efficient photorefractive effect triggered by pyroelectricity is demonstrated in slab waveguides constituted of magnesium oxide ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Anton Perin Ludovic Gauthier-Manuel Florent Bassignot Mathieu Chauvet Source Type: research
Collision dynamics between soliton molecules and a single soliton: exploding soliton pair and periodic soliton explosions
Inherent periodic collisions in dual-wavelength mode-locked fiber lasers (MLFLs) stimulate various intra-cavity collision dynamic ... (Source: Optics Letters)
Source: Optics Letters - April 9, 2024 Category: Physics Authors: Runmin Liu Defeng Zou Youjian Song Minglie Hu Source Type: research
Hybrid graphene anti-resonant fiber with tunable light absorption
Controlling the output light-intensity and realizing the light-switch function in hollow-core anti-resonant fibers (HC-ARFs) is crucial for ... (Source: Optics Letters)
Source: Optics Letters - April 5, 2024 Category: Physics Authors: Kang She Guo Sheng Zhengping Shan Piaorong Xu Exian Liu Source Type: research
Tm,Ho:YLF waveguide lasers at 2.05? µ m
In this work, we report on the first, to our knowledge, 2.05- µ m laser based on femtosecond-laser direct written (FsLDW) Tm,Ho:YLF ... (Source: Optics Letters)
Source: Optics Letters - April 5, 2024 Category: Physics Authors: Zichen Bai Zhixiang Chen Yujie Xiong Hongliang Liu Siying Gao Yingying Ren Xingjuan Zhao Fengqin Liu Yuechen Jia Feng Chen Source Type: research
Magnetically tunable Brewster angle in uniaxial magneto-optical metamaterials for advanced integration of high-resolution sensing devices
In this Letter, we introduce a concept to produce high-resolution, highly integrable biosensing devices. Our idea exploits the highly ... (Source: Optics Letters)
Source: Optics Letters - April 5, 2024 Category: Physics Authors: S. A. Sarmiento E. Moncada-Villa J. R. Mej í a-Salazar Source Type: research
