搜索结果: 1-15 共查到“光学工程 amplifiers”相关记录23条 . 查询时间(0.291 秒)
ZnSe / ZnS Quantum-Dot Semiconductor Optical Amplifiers
Linear Absorption Coefficient Linear Emission Coefficient Rate Equations (Res) Noise Figure
2011/6/29
ZnSe quantum dot (QD) semiconductor optical amplifier (SOA) is studied theoretically using net gain for linear Absorption coefficient and linear emission and these results are used to calculate noise ...
All-Silica Photonic Bandgap Fiber Oscillators and Amplifiers
Fiber design and fabrication Fiber characterization
2011/5/22
We report on oscillators and amplifiers based on all-silica singlemode, large mode area photonic bandgap fibers elaborated by the modified chemical vapour deposition process.
High-Power,Low-Noise Slab-Coupled Optical Waveguide (SCOW) Amplifiers and Lasers
Semiconductor optical amplifiers Semiconductor lasers Mode-locked lasers
2011/5/22
We review the development of a Watt-level semiconductor quantum-well gain medium based on the slab-coupled optical waveguide (SCOW) concept. Devices realized in the 1.5-m-wavelength region inc...
Cooperative Light Scattering Effects in Optical Fibers, Lasers, and Amplifiers
Nonlinear optics fibers Lasers fibers
2011/5/20
We overview Rayleigh, Brillouin and Raman scattering in optical fibers, fiber amplifiers and lasers focusing on their mutual cooperation dynamics and explaining associated effects such as multi-cascad...
Gain-Clamped Semiconductor Optical Amplifiers for Reach Extension of Coexisted GPON and XG-PON
GPON XG-PON Gain-Clamped Semiconductor Optical Amplifiers
2011/5/18
Optical amplification of coexisted GPON and XG-PON upstreams is demonstrated using a gain-clamped semiconductor optical amplifier (SOA). With gain clamping, performance degradation due to the cross-ga...
Experimental Investigation of Wide Bandwidth Single and Dual Pump non-Degenerate Phase Sensitive Amplifiers
Fiber optics amplifiers oscillators Nonlinear optics parametric processes
2010/6/10
We demonstrate non-degenerate phase sensitive amplification of a DPSK data signal in both single and double pumped parametric configurations, achieving uniform phase sensitive gain and attenuation ove...
Gamma-ray irradiation effects on dynamic gain of erbium-doped fiber amplifiers
erbium-doped fiber amplifier gamma-ray irradiation
2010/6/8
Experiments were made of the gamma-ray irradiation effect on the dynamic performance of
erbium-doped fiber amplifiers (EDFAs). The frequency responses of EDFAs before and after
irradiation are depen...
Effect of Spectral Hole Burning on the Feedforward Control of Erbium–Doped Fiber Amplifiers
Fiber optics and optical communications Fiber optics and optical communications Fiber optics amplifiers and oscillators
2010/6/8
In this paper, the effect of spectral hole burning (SHB) on the feedforward control of an erbium–doped fiber amplifier (EDFA) is investigated. A novel experimental setup allowing to verify a mathemati...
Linear and Nonlinear Semiconductor Optical Amplifiers
Quantum-well dot devices Semiconductor nonlinear optics
2010/6/8
Semiconductor Optical Amplifiers (SOAs) may be designed as linear or nonlinear network elements. We report on recent results that indicate advantageous characteristics for QD SOAs as linear and bulk S...
First Experimental Evidence of a ?ovel Multimode Pumping Scheme for an Array of Rare-earth Doped Waveguide Amplifiers and Lasers
ovel Multimode Pumping Scheme Rare-earth Doped Waveguide Amplifiers Lasers
2010/6/8
We propose a novel multimode pumping scheme for waveguide amplifier and laser arrays. Light from a broad area laser at 980 nm is coupled into a large passive waveguide and then effectively transferred...
BER Performance of 16-QAM Signals Amplified by Dual- Pump Fiber Optical Parametric Amplifiers
Fiber optics amplifiers oscillators Coherent communications
2010/6/8
We derive analytically the probability distribution function of the excess amplitude noise induced by pump noise transfer in dual-pump fiber optical parametric amplifiers and calculate the signal-to-n...
High Power Fiber Lasers and Amplifiers for Applications in Telecommunications
High Power Fiber Lasers Amplifiers Applications Telecommunications
2010/6/5
We describe the current technology and applications of watt to multi-watt fiber lasers and amplifiers in all areas of fiber optic and free space optical communications.
Bi-doped Fiber Lasers and Amplifiers for a Wavelength Range of 1300-1500 nm
Fiber optics amplifiers oscillators Lasers fiber
2010/6/5
Bi-doped fibers are a promising medium for lasers and amplifiers in the 1150-1600nm wavelength range. We present the results on the development of Bi-doped fiber lasers and amplifiers for telecom wind...
Gain Transient Mitigation in Remote Erbium Doped Fibre Amplifiers by Burst Packet Carving at the ONU for Extended Power Budget PONs
Remote Erbium Doped Fibre Amplifiers Burst Packet Carving ONU Extended Power Budget PONs
2009/7/20
We present a new approach to mitigate the gain transients in remote Erbium Doped Fibre Amplifiers by means of pre-distortion of data packets at the ONU, allowing a strong reduction (30%) of the packet...
Multi-wavelength amplification and signal processing in InP based quantum dash semiconductor optical amplifiers
Multi-wavelength amplification signal processing semiconductor optical amplifiers
2009/7/16
We describe multi-wavelength amplification and processing of quantum dash amplifiers. The multi-wavelength operation is possible due to the inhomogeneously broadened gain.