Results 1 to 10 of about 911 (236)

Switchable Ultra-Wideband All-Optical Quantum Dot Reflective Semiconductor Optical Amplifier [PDF]

open access: yesNanomaterials, 2023
A comprehensive study has been conducted on ultra-broadband optically pumped quantum dot (QD) reflective semiconductor optical amplifiers (QD-RSOAs). Furthermore, little work has been done on broadband QD-RSOAs with an optical pump.
Farshad Serat Nahaei   +4 more
doaj   +4 more sources

Quantum Dot Reflective Semiconductor Optical Amplifiers: Optical Pumping Compared with Electrical Pumping

open access: yesNanomaterials, 2022
A comprehensive study has been conducted on quantum dot reflective semiconductor optical amplifiers (QD-RSOAs) with optical pumps (OPs). Moreover, few studies have been completed on OP-based QD-RSOAs.
Farshad Serat Nahaei   +2 more
doaj   +6 more sources

Reflective Semiconductor Optical Amplifier Direct Modulation Capability Enhancement Using Birefringent Fiber Loop

open access: yesApplied Sciences, 2020
The feasibility of employing a birefringent fiber loop to enhance the performance of a directly modulated reflective semiconductor optical amplifier is experimentally demonstrated for the first time.
Zoe V. Rizou   +3 more
doaj   +3 more sources

Research on the modulation format of 40Gb/s WDM-PON system [PDF]

open access: yesMATEC Web of Conferences, 2022
In order to meet the transmission needs of WDM-PON system, a WDM-PON full-duplex system based on reflective semiconductor optical amplifier (RSOA) remodulation was constructed in this paper.
Wang Yilin, Zhang Chunlei
doaj   +1 more source

On Directly Modulated Reflective Semiconductor Optical Amplifier with Assistance of Birefringent Fiber Loop

open access: yesPhotonics, 2022
Reflective Semiconductor Optical Amplifiers (RSOAs) are essential devices for the development of new generation networks that rely on the convergence of optical and RF communications.
Fokion N. Karadimoglou   +3 more
doaj   +1 more source

Modeling reflective bistability in vertical-cavity semiconductor optical amplifiers [PDF]

open access: yesIEEE Journal of Quantum Electronics, 2005
The characteristics of optical bistability in a vertical cavity semiconductor optical amplifier (VCSOA) operated in reflection are reported. The dependences of the optical bistability in VCSOAs on the initial phase detuning and on the applied bias current are analyzed.
Hurtado Villavieja, Antonio   +2 more
openaire   +4 more sources

Self-Start Multi-Wavelength Laser Source with Tunable Delay-Line Interferometer and Optical Fiber Reflector for Wireless Communication System

open access: yesApplied Sciences, 2021
The radio-over-fiber (RoF) technique has gained a lot of interest recently, as the millimeter-wave signals can be generated and delivered in the optical domain with the advantages of low attenuation, high capacity, and being free from electromagnetic ...
Amare-Mulatie Dehnaw   +6 more
doaj   +1 more source

On Optically Modulated Reflective Semiconductor Optical Amplifier Pattern-Dependent Overshoot Mitigation Using a Birefringent Fiber Loop

open access: yesPhotonics, 2022
Reflective semiconductor optical amplifiers (RSOAs) are key elements for modern optical communications. Despite their widespread deployment, their performance when intended for ultrafast data amplification is limited by their inherently slow gain ...
Nikolaos Avgenos   +2 more
doaj   +1 more source

Efficient Dynamic Modeling of the Reflective Semiconductor Optical Amplifier [PDF]

open access: yesIEEE Journal of Selected Topics in Quantum Electronics, 2013
Reflective semiconductor optical amplifier (RSOA) is considered a strong candidate to play an important role in realizing the next generation wavelength division multiplexing passive optical network, based on the wavelength reuse concept. Therefore, an accurate and efficient modeling of RSOA is of significant importance.
Zoran Vujicic   +4 more
openaire   +1 more source

Amplified spontaneous emission pulses for high-power supercontinuum generation

open access: yesThe Journal of Engineering, 2016
The authors demonstrate an incoherent light source based on a reflective semiconductor optical amplifier as pump for high-power supercontinuum generation for the first time.
Huan Huan Liu, Kin Kee Chow
doaj   +1 more source

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