Results 1 to 10 of about 1,904 (133)

Reference Optical Spectrum Based In-Band OSNR Monitoring Method for EDFA Amplified Multispan Optical Fiber Transmission System With Cascaded Filtering Effect

IEEE Photonics Journal, 2018
The reference optical spectrum (ROS) based in-band optical signal-to-noise-ratio (OSNR) monitoring methods are accurate and inherently robust to fiber chromatic dispersion and polarization mode dispersion.
Guo Yin, Sheng Cui, Changjian Ke, Deming Liu   +3 more
doaj   +2 more sources

Impact of Out-of-Band Noise on OSNR Measurement Using Brillouin Optical Spectrum Analyzer and Its Mitigation Method

IEEE Photonics Journal, 2018
Brillouin optical spectrum analyzer (BOSA) based on stimulated Brillouin scattering (SBS) can provide ultra-high resolution, which in theory can greatly improve the optical signal-to-noise ratio (OSNR) measurement accuracy, especially for systems with ...
Yibo Zhong, Sheng Cui, Changjian Ke, Zhen Guo, Chen Xing, Haoyu Wang, Keyuan Yang, Deming Liu   +7 more
doaj   +2 more sources

Generation of frequency 16‐tupling millimeter wave without filtering based on cascaded Mach–Zehnder modulator

Microwave and optical technology letters (Print), 2023
A scheme of generating millimeter‐wave signals with 16 times frequency using a cascaded Mach–Zehnder modulator (MZM) is proposed. Optical delay lines (ODLs) are used to place between cascaded MZMs, two MZMs work at the maximum transmission point.
Chong Wang, Kun Song, Miaomiao Li, Yi Yi, Mengting Zhou, Jiahui Wu   +5 more
semanticscholar   +1 more source

A Cascaded Resonator Decoupling Network for Two Filtering Antennas

IEEE Antennas and Wireless Propagation Letters, 2023
In this letter, a novel method for the decoupling between two filtering antennas is presented. The mutual coupling (MC) between two filtering antennas is investigated, and a coupled-resonator decoupling network (DN) is developed.
J. Qian, B. Sanz Izquierdo, Steven Gao, Hanyang Wang, Hai Zhou, Huiliang Xu   +5 more
semanticscholar   +1 more source

Tunable Flat-Top Filtering Response in Cascaded Resonant Waveguide Gratings

IEEE Photonics Journal, 2021
The applicability of resonant waveguide grating (RWG)-based structures as filters to control the spectral response in an optical communication system is investigated.
Jinhua Hu, Jiuzhou Yu, Xiuhong Liu, Jun Zou, Long Zhang, Jijun Zhao   +5 more
semanticscholar   +1 more source

Modulation-format-independent in-band OSNR monitoring technique using Gaussian process regression for a Raman amplified multi-span system with a cascaded filtering effect.

Optics Express, 2020
We propose and experimentally demonstrate an accurate modulation-format-indepen-dent and cascaded filtering effect (CFE) insensitive in-band optical signal-to-noise ratio (OSNR) monitoring technique enabled by Gaussian process regression (GPR) utilizing ...
Chunjie Hu, Hao Zheng, Wei Li, Qiguang Feng, Muyang Mei, You Wang, Ran Yan   +6 more
semanticscholar   +1 more source

A Robust Reference Optical Spectrum Based in-Band OSNR Monitoring Method Suitable for Flexible Optical Networks

IEEE Photonics Journal, 2020
The in-band OSNR monitoring methods based on the noise-free reference optical spectrum (ROS) have attracted much attention in the field of optical performance monitoring because they are cost-effective and insensitive to chromatic dispersion and ...
Yibo Zhong, Sheng Cui, Hongwei Lu, Changjian Ke, Haoyu Wang, Peishan Jiang, Deming Liu   +6 more
doaj   +1 more source

Modulation-format-independent OSNR monitoring insensitive to cascaded filtering effects by low-cost coherent receptions and RF power measurements.

Optics Express, 2015
Optical signal-to-noise ratio (OSNR) monitoring is indispensable for ensuring robust and flexible optical networks that provide failure diagnosis, dynamic lightpath provisioning and modulation format adaptation.
Zhenhua Dong, K. Zhong, Xian Zhou, Chao Lu, A. Lau, Yanzhao Lu, Liangchuan Li   +6 more
semanticscholar   +1 more source

Enhanced Vernier Effect in Cascaded Fiber Loop Interferometers for Improving Temperature Sensitivity

Italian National Conference on Sensors
This work presents a high-sensitivity temperature sensing system utilizing an enhanced Vernier effect implemented in cascaded fiber loop interferometers.
Jianming Zhou, Yanyan Zhi, Junyi Zhang, Jianping Yao, Junkai Zhang, Jiejun Zhang   +5 more
semanticscholar   +1 more source

Multimode array filtering of resonance fluorescence [PDF]

Physical Review A
We present a novel frequency-filtering method for measuring and calculating frequency-filtered photon-correlations. This novel method is a cavity-based system we call the multi-mode array filter, which consists of an array of tunable single-mode cavities
Jacob Ngaha, S. Parkins, Howard J. Carmichael   +2 more
semanticscholar   +1 more source