Results 21 to 30 of about 5,951 (304)
A Review on the Flexure-Based Displacement Amplification Mechanisms
Multifarious flexure-based displacement amplifiers have been proposed and studied in the past decades, showing importance in many industrial fields, such as bioengineering, optical instruments, and semiconductor technology.
Fangxin Chen +3 more
doaj +1 more source
Simple DQPSK Signal Regenerator Using Electrical Limiting Amplifiers
A simple optoelectronic regenerator for differential quadrature phase-shift keying (QPSK) signals is demonstrated. The regenerator consists of two parallel delay interferometers followed by balanced detectors, limiting and driving amplifiers, and a dual ...
Masayuki Matsumoto
doaj +1 more source
Acceleration of Carrier Lifetime in Gain-Clamped Semiconductor Optical Amplifiers
A new method to accelerate the carrier lifetime in semiconductor optical amplifiers (SOAs) is experimentally demonstrated. The four-wave mixing (FWM) effect is induced without recourse to external optical light sources.
O. M. Kharraz +4 more
doaj +1 more source
Dynamics and its Effects on Saturation Region in Semiconductor Optical Amplifiers
We focus on studying the dynamics of bulk semiconductor optical amplifiers and their effects on the saturation region for short pulse that differ, however there is the same unsaturated gain for both dynamics.
Adnan H. Mohammed, Muna M. Jassem
doaj +1 more source
All-optical switches are fundamental building blocks for high-speed optical networks and basic blocks towards all-optical networks for future communications that utilize Optical Time Division Multiplexing (OTDM) techniques of signal with single channel ...
Radoslav Odrobinak +2 more
doaj +1 more source
Heterogeneously integrated III-V/Si lasers and semiconductor optical amplifiers (SOAs) are key devices for integrated photonics applications requiring miniaturized on-chip light sources, such as in optical communications, sensing, or spectroscopy.
Joan Manel Ramírez +10 more
doaj +1 more source
Signal amplifiers in optical communication systems
This work focuses on modelling an optical soliton-based pulse amplitude modulation (PAM) system incorporating linear semiconductor optical amplifiers (LSAs).
Nurzhigit Smailov +2 more
doaj +1 more source
>A Stokes-based spectro-polarimetric analysis of the amplified spontaneous emission in a semiconductor optical amplifier [PDF]
In this paper, we present a full spectro-polarimetric characterization of the Amplified Spontaneous Emission (ASE) emitted from a commercial, strained-bulk Semiconductor Optical Amplifier (SOA).
Tariaki Mohamad +7 more
doaj +1 more source
Low-Polarization, Broad-Spectrum Semiconductor Optical Amplifiers
Polarization-insensitive semiconductor optical amplifiers (SOAs) in all-optical networks can improve the signal-light quality and transmission rate. Herein, to reduce the gain sensitivity to polarization, a multi-quantum-well SOA in the 1550 nm band is ...
Meng Zhang +13 more
doaj +1 more source
Monolithic Integrated Chip With SOA and Tunable DI for Multichannel All-Optical Signal Processing
An indium phosphide-based monolithic integrated chip with semiconductor optical amplifiers and a tunable delay interferometer (DI) is developed. Because of the comb filtering characteristics of DI, this chip has the potential to be used for multichannel ...
Zhuyang Huang +4 more
doaj +1 more source

