Confinement loss in hexagonal lattice photonic crystal fibers

YE Monfared, ARM Javan, ARM Kashani - Optik, 2013 - Elsevier
In this paper, confinement loss in hexagonal lattice photonic crystal fibers (PCFs) has been
investigated. Using finite difference frequency domain (FDFD) method with perfectly …

Flat gain spectrum design of Raman fiber amplifiers based on particle swarm optimization and average power analysis technique

HM Jiang, K **e, YF Wang - Optics and Lasers in Engineering, 2012 - Elsevier
In this work, the modified particle swarm optimization is used as an optimization tool to
determine the set of wavelengths and power levels of pumps that delivers a flat gain …

Highly birefrigent photonic crystal fiber with high negative dispersion for broadband dispersion compensation

YE Monfared, SA Mojtahedinia - Optik, 2014 - Elsevier
In this paper, we proposed a dual-enhanced core photonic crystal fiber (PCF) with high
birefringence and ultra-high negative dispersion for dispersion compensation in a …

Optimization of Very Short Multi-Pump Discrete Raman Amplifiers based on Tellurite Fibers

GC Bastida, HRO Rocha, MEV Segatto… - Journal of Microwaves …, 2024 - SciELO Brasil
This paper presents a numerical study and the optimization of very short discrete multi-pump
Raman amplifiers using Tellurite-based optical fibers. While most studies about discrete …

Reducing the time of band Raman amplifiers design with an algorithm based on artificial intelligence

HR de O. Rocha, CES Castellani… - Optical …, 2020 - spiedigitallibrary.org
We present an artificial intelligence-based algorithm to efficiently reduce the time required in
the design of multipump Raman amplifiers operating simultaneously in conventional (C) and …

Ultrahigh sampling rate photonic time stretch analog-to-digital converter employing phase modulation

S Li, CX Yu - Optik, 2013 - Elsevier
The performance of analog-to-digital converter (ADC) can be greatly enhanced by
preprocessing the ultrafast analog signal using the photonic time-stretch technique. In the …

Fast optimization of multipump raman amplifiers based on a simplified wavelength and power budget heuristic

HR de O. Rocha, CES Castellani, JAL Silva… - Optical …, 2015 - spiedigitallibrary.org
We report a simple budget heuristic for a fast optimization of multipump Raman amplifiers
based on the reallocation of the pump wavelengths and the optical powers. A set of different …

Photonic time stretch preprocessor employing coherent detection in analog-to-digital converter

J Zheng, W Feng, S Li - Optik, 2013 - Elsevier
The performance of analog-to-digital converter (ADC) can be greatly enhanced by
preprocessing the high-speed RF signal using the photonic time stretch technique. In order …

Compensation Characteristics of WDM Signals Depending on RDPS Slope of Fiber Span in Dispersion Managed Optical Transmission Links

SR Lee - Journal of Advanced Navigation Technology, 2013 - koreascience.kr
The optimal residual dispersion per span (RDPS) slope is induced through the analyses of
the compensation characteristics of the wavelength division multiplexed (WDM) channels …

분산 제어 광전송 링크에서 중계 구간의 RDPS 기울기에 따른 WDM 신호의 보상 특성

이성렬 - 한국항행학회논문지, 2013 - kiss.kstudy.com
분산 제어 (DM; dispersion management) 와 광 위상 공액 (optical phase conjugation) 이
적용된 광전송 링크에서 중계 구간 당 잉여 분산 (RDPS; residual dispersion per span) 기울기 …