Parasitic Stimulated Amplification in High-Peak-Power and Diode-Seeded Nanosecond Fiber Amplifiers
IEEE Photonics Journal, 2014 The broadband parasitic amplification in a diode-seeded nanosecond ytterbium-doped fiber laser amplifier system is numerically and experimentally investigated.
C. L. Chang +7 more
doaj +1 more source
Bandwidth Extension of Resistive-Feedback CMOS Inverter Amplifier Using T-Coil Peaking
IEEE AccessThis paper presents a broadband CMOS three-stage resistive-feedback inverter (RFI) amplifier for high-speed applications. A novel T-coil-based peaking technique is proposed, combining over-shunt and gate peaking to extend the bandwidth with reduced ...
Minkyung Choi +4 more
doaj +1 more source
Tapered amplifier laser with frequency-shifted feedback
SciPost Physics, 2016 We present a frequency-shifted feedback (FSF) laser based on a tapered amplifier. The laser operates as a coherent broadband source with up to 370GHz spectral width and 2.3us coherence time.
A. Bayerle, S. Tzanova, P. Vlaar, B. Pasquiou, F. Schreck
doaj +1 more source
A 1.8-2.8 GHz Highly Linear Broadband Power Amplifier for LTE-A Application
, 2016 This paper proposes a fully integrated broadband power amplifier for LTE-A application using GaAs HBT process. To improve the linearity and broadband performance, RC feedback structures and dynamic bias circuits are employed and designed through ...
Chun-Qing Chen +4 more
semanticscholar +1 more source
Design of a broadband high-efficiency power amplifier based on continuous class-EF mode [PDF]
This paper proposes a methodology to design broadband high-efficiency power amplifiers. A novel continuous mode is proposed through combination the continuous class-F mode and the traditional class-EF mode under certain conditions.
Luo, Junyi +3 more
core +1 more source
Development of high-energy fiber CPA system
EPJ Web of Conferences, 2013 An intense broadband laser system based on a Nd:glass chirped pulse amplifier (CPA) requires a stable front end with good beam quality. To prepare such a front end without using a regenerative amplifier or optical parametric chirped pulse amplification ...
Ogino J. +4 more
doaj +1 more source
Broadband GaN Class-E Power Amplifier for Load Modulated Delta Sigma and 5G Transmitter Applications
IEEE Access, 2018 The paper presents a design of a broadband high-efficiency class-E power amplifier (PA) for the advanced efficiency enhancement architectures applications.
Tushar Sharma +3 more
doaj +1 more source
Low transmission penalty dual-stage broadband discrete Raman amplifier [PDF]
, 2018 We present a broadband (>70nm), dual stage, discrete Raman amplifier designed with small and standard core fibres to maximize gain and minimize nonlinearity. The amplifier provides ~19.5dB net gain, 22.5dBm saturation output power and a noise figure of
Tan, Mingming +13 more
core +1 more source
Optimizing Power Losses and Efficiency of Broadband Parallel-Circuit Class-E Power Amplifier
IEEE AccessThis paper presents a design method for a watt-level high-efficiency broadband power amplifier (BPA) with a generalized parallel-circuit (PC) Class-E model.
Heng Lu, Jianliang Jiang, Hengli Zhang
doaj +1 more source
A Class-AB 1.65GHz-2GHz Broadband CMOS Medium Power Amplifier
, 2005 In this paper a single stage broadband CMOS RF power amplifier is presented. The power amplifier is fabricated in a 0:25¹m CMOS process. Measurements with a 2:5V supply voltage show an output power of 18:5 dBm with an associated PAE of 16% at the 1-dB ...
Larsen, T +3 more
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