Results 31 to 40 of about 2,806,870 (268)
Impact of signal wavelength on the semiconductor opticalamplifier gain uniformity for high speed optical routers employing the segmentation model [PDF]
, 2010 This paper investigates the impact of a train of input Gaussian pulses wavelength on semiconductor optical amplifier (SOA) gain uniformity for high speed applications. In high speed applications, the linear output gain of the input pulses is necessary in
Ghassemlooy, Zabih +11 more
core +1 more source
RSOA Intensity Modulator Frequency Chirp-Enhanced Optical OFDM PON Performance
IEEE Photonics Journal, 2015 A reflective semiconductor optical amplifier intensity modulator (RSOA-IM) frequency chirp considerably increases the system frequency response of an intensity-modulation and direct-detection (IMDD) PON system over the passband signal spectral region ...
B. Y. Cao +5 more
doaj +1 more source
Hybrid integrated external cavity laser with a 172-nm tuning range
APL Photonics, 2022 Chip-scale lasers with a wide tunable range and a narrow linewidth have rich applications in optical communications, sensing, and light detection and ranging systems.
Yuyao Guo +6 more
doaj +1 more source
Off-set Filtering Effect in SOA Based Optical Access Network [PDF]
Radioengineering, 2016 In-line and reflective semiconductor optical amplifiers (SOA and RSOA) can be effectively utilized as external optical intensity modulators. However the limited modulation bandwidth affects the application possibilities, because next generation access ...
E. Udvary
doaj
Investigation of in-situ parameter control in novel semiconductor optical amplifiers [PDF]
, 2012 Fibre optic networks form the backbone of modern communications systems. As demand for ever increasing bandwidth continues to grow, technologies that enable the expansion of optical networks will be the key to future development.
Carney, Kevin
core +2 more sources
Applied Sciences, 2017 We present a comparative study of the capacity increase brought by bit- and power-loading discrete multi-tone (DMT) modulation for low-cost colorless transmitters.
Simon Arega Gebrewold +4 more
doaj +1 more source
IEEE Access, 2019 For the first time up to our knowledge, a centralized-light-source two-way eight-level pulse amplitude modulation (PAM8)/four-level pulse amplitude modulation (PAM4) free-space optical (FSO) communication with parallel optical injection-locked vertical ...
Wen-Shing Tsai +4 more
doaj +1 more source
All optical Reflective Semiconductor Optical Amplifier based half adder
, 2020 Postgraduate Department of Physics, B. B. College Asansol, Asansol-713 303, West Bengal, India Department of Physics, National Institute of Technology Durgapur, Durgapur-713 209, West Bengal, India E-mail: klmukherjee003@gmail.com Manuscript received online 04 December 2020, accepted 24 December 2020 All optical Reflective Semiconductor Optical ...
Maji, Kajal +2 more
openaire +2 more sources
Numerical analysis of four-wave mixing between 2 ps mode-locked laser pulses in a tensile-strained bulk SOA [PDF]
, 2007 A numerical model of four-wave mixing between 2-ps pulses in a tensile-strained bulk semiconductor optical amplifier is presented. The model utilizes a modified Schrodinger equation to model the pulse propagation. The Schrodinger equation parameters such
Reid, Douglas A. +7 more
core +2 more sources
Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals
Advanced Engineering Materials, EarlyView.This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao +2 more
wiley +1 more source