Results 111 to 120 of about 2,964 (249)

Demonstration of the MEMS digital micromirror device-based broadband reconfigurable optical add-drop filter for dense wavelength-division-multiplexing systems

, 2007
For the first time, an optimized optical add-drop filter (OADF) for dense wavelength-division-multiplexing systems is demonstrated using the Texas Instruments microelectro-mechanical-system Digital Micromirror Device (DMD (TM)).

core   +1 more source

Body‐integrated photonic biosensors: Illuminating the path to active healthcare

FlexMat, EarlyView.
Body‐integrated photonic biosensors are promising tools for active healthcare. These optical devices can be worn, implanted, or swallowed to monitor health signals continuously. This review introduces key sensing modalities, including fluorescence, colorimetry, SPR, LSPR, SERS, and light‐modulating materials.
Jiayue Gu, Xingming Wen, Qihang Yan, Yining Zhao, Linghao Yuan, Siyuan Chen, Yue Ma, Zhengyue Fang, Dong Lei, Yuxin Liu, Ze Xiong   +10 more
wiley   +1 more source

Intrinsic chiroptical responsivity in self‐powered organic photodiodes for polarization‐tunable optical convolution

InfoMat, EarlyView.
Self‐powered chiral organic photodiodes function as polarization‐sensitive convolutional filters for circularly polarized light‐driven optical convolutional neural networks. This conceptually innovative architecture enables dynamic weight modulation, bias‐free operation, and exceptional noise resilience, boosting feature extraction fidelity from 0.15 ...
Lixuan Liu, Weilong Huang, Feihong Zhu, Yongjie Cai, Xiaolong Li, Yang Yang, Xiao Ma, Zhixiang Wei, Wei Chen, Huipeng Chen   +9 more
wiley   +1 more source

Advances in Position‐Momentum Entanglement: A Versatile Tool for Quantum Technologies

Laser &Photonics Reviews, EarlyView.
Position–momentum entanglement constitutes a high‐dimensional continuous‐variable resource in quantum optics. Recent advances in its generation, characterization, and control are reviewed, with emphasis on spontaneous parametric down‐conversion and modern measurement techniques.
Satyajeet Patil, Rajshree Swarnkar, Jonas L. Moos, Sebastian Töpfer, Sergio Tovar‐Pérez, Jorge Fuenzalida, Markus Gräfe   +6 more
wiley   +1 more source

Channel Characterisation for Underwater Optical Wireless Vertical Links

IET Optoelectronics
We provide a detailed description of depth‐dependent effects that affect the propagation of light in underwater optical wireless communication links. Absorption and scattering properties of water are evaluated for realistic chlorophyll profiles versus ...
Alessandro Ugolini, Federica Poli, Daniele Croce, Stefano Mangione   +3 more
doaj   +1 more source

Optical Network System with Dense Wavelength Division Multiplexing

A system of 128 modulated channels featuring 70 GHz spacing and a bandwidth of 32.8 nm is presented throughout this study. Thus, optical signals are to be dispersed and those must fade when being sent across greater distances. As a result, occasionally we have to boost the signal by a bit.
openaire   +2 more sources

Black Phosphorus/Ferroelectric CuInP2S6 Heterostructures Empowering Nonvolatile Photonic Convolutional Computing

Laser &Photonics Reviews, EarlyView.
ABSTRACT The growing demands of artificial intelligence require new energy‐efficient and nonvolatile computing paradigms. To meet this challenge, we demonstrate a foundational device platform for optical fiber computing that targets the signal decay and power consumption bottlenecks of conventional systems.
Yule Zhang, Huide Wang, Bowen Du, Yi Liu, Ziqian Wang, Wenkai Wang, Yihan Zhu, Changle Meng, Honghai Zhu, Lizhuo Zhou, Yujie Zhou, Zhongjian Xie, Lingfeng Gao, Guoqing Liu, Yong Liu, Yanqi Ge, Zhi Chen, Songrui Wei, Han Zhang   +18 more
wiley   +1 more source

Compact 35μm fiber coupled diode laser module based on dense wavelength division multiplexing of NBA mini-bars

, 2016
Paper 97330H, 12 S.We present a compact, modular and cross talk free approach for dense wavelength division multiplexing of high power diode lasers based on ultra-steep dielectric filters. The mini bars consist of 5 narrow stripe broad area emitters with
Witte, Ulrich, Hengesbach, Stefan, Meo, A. di, Hoffmann, D., Witte, U., Hengesbach, S., Hamann, M., Hoffmann, Hans-Dieter, Traub, Martin, S. Hengesbach, Hamann, Marcus, Di Meo, Angelo, A. Di Meo, Traub, M., D. Rubel, Rubel, D., U. Witte, M. Hamann, D. Hoffmann, Rubel, David, M. Traub   +20 more
core   +1 more source

Comb‐Driven Coherent Optical Transmitter for Scalable DWDM Interconnects

Laser &Photonics Reviews, EarlyView.
A comb‐driven coherent optical transmitter on a Si/SiN platform enables scalable DWDM interconnects by integrating ultra‐compact microring‐assisted modulators and interleavers. High‐baud coherent signaling achieves 400 Gb/s per wavelength and >$>$1 Tb/s multi‐channel transmission, with projected >$>$10 Tb/s per fiber, offering a path toward energy ...
Alireza Geravand, Erwan Weckenmann, Jean‐Michel Vallée, Farshid Shateri, Zibo Zheng, Simon Levasseur, Bo Yang, Jiajian Chen, Ting Wang, Zihao Wang, Leslie A. Rusch, Wei Shi   +11 more
wiley   +1 more source

Optical Add-Drop Multiplexer Based on Fiber Bragg Gratings for Dense Wavelength Division Multiplexing Networks

, 2008
1 A configurable optical add-drop multiplexer (OADM) based on fibre Bragg gratings is reported. Dynamically selection of the add-drop or pass-through functionality is realised according to the control of an optical switch.

core