搜索结果: 136-150 共查到“工学 fiber”相关记录565条 . 查询时间(0.53 秒)
I will overview our recent results on ultra-long lasers and will discuss the concept of a fiber laser with an open cavity that operates using random distributed feedback provided by Rayleigh scatterin...
Suppression of SBS in a photonic crystal fiber with periodically-varied core diameter
Suppression SBS photonic crystal fiber periodically-varied core diameter
2015/5/20
We experimentally demonstrate 7dB improvement in Brillouin suppression in a photonic crystal fiber by periodically varying the size of the air-hole-structure by only 7% amplitude while keeping a low a...
Multi-Path Interference in a bend-insensitive fiber
Multi-Path Interference bend-insensitive fiber
2015/5/20
Multi Path Interference noise in a bend-insensitive fiber is examined by wavelength and polarization scanning, by sample stretching, and by increasing the end splices misalignment,to find the splice l...
Engineering Fiber-Nonlinearity Based Entangled Photon Sources for Quantum Key Distribution Applications
Engineering Fiber-Nonlinearity Based Entangled Photon Sources Quantum Key Distribution Applications
2015/5/20
We model fiber parametric entangled photon sources for use in quantum key distribution applications. Effects of Raman scattered photons are evaluated and are found to be manageable when appropriately ...
Optical ASK-DPSK and QAM Signal Generation Using FWM in High Nonlinearity Fiber (HNLF)
Optical ASK-DPSK QAM Signal Generation FWM High Nonlinearity Fiber (HNLF)
2015/5/20
As a modulation-format transparent nonlinear process, FWM is capable of generating complex optical signal constellations. In experiments and simulations, optical ASK-DPSK and 8-QAM signals are generat...
Transmission of 112 Gb/s PM-QPSK Signals over 7200 km of Optical Fiber with Very Large Effective Area and Ultra- Low Loss in 100 km Spans with EDFAs Only
Transmission 112 Gb/s PM-QPSK Signals Optical Fiber Ultra- Low Loss EDFAs Only
2015/5/20
We experimentally investigate transmission of 16×112 Gb/s PM-QPSK signals over an optical fiber with effective area of 134 μm 2 and attenuation of 0.162 dB/km. We demonstrate transmission over 7200 km...
High power monolithic all-fiber counter-propagating pumped single-frequency amplifier
High power monolithic all-fiber counter-propagating pumped single-frequency amplifier
2015/5/20
We present a monolithic all-fiber, counter-propagating pumped, single-frequency amplifier with an output power of 47 W.
Bismuth-Doped Optical Fiber Amplifier for 1430 nm Band Pumped by 1310 nm Laser Diode
Bismuth Optical Fiber Amplifier Pumped Laser Diode
2015/5/20
A 24dB gain Bismuth-doped fibre amplifier pumped by a 65mW commercial laser diode at 1310nm is reported for the first time. A 3dB bandwidth of 36nm and a noise figure of 6dB are demonstrated.
High Q-factor localized conical modes are discovered theoretically and demonstrated experimentally in an optical fiber. The theory of these modes provides a means for exceptionally accurate local char...
Novel Analyzing Model of Bi-Directional OTDR Measurement in a Hole-Assisted Fiber
Bi-Directional OTDR Measurement Fiber Hole-Assisted
2015/5/18
A novel analyzing model of bi-direction OTDR measurement in a hole-assisted fiber (HAF) is proposed. Using this model, both information on the air-hole structure and air-hole surface roughness in a HA...
Recent Progress in Optical Fiber Refractive Index Profiling
Optical Fiber Refractive Index
2015/5/18
Recent optical fiber refractive index profile measurement advances include quantitative phase measurement, multi-wavelength spectroscopy, and computerized tomography. These new techniques, and their a...
The Evolution of Hybrid Fiber-Coaxial Cable Networks to an All-Fiber Network
Hybrid Fiber Coaxial Cable All-Fiber Network
2015/5/18
Cable operators have many options to increase throughput as they progress towards an all-fiber network, including migrating from analog to digital video, increasing compression, using advanced modulat...
Fiber Nonlinearity Management–from Carrier Perspective
Fiber Nonlinearity Carrier Perspective
2015/5/18
Technologies for fiber nonlinearity management for spectrally-efficient high-speed optical transmission systems have been discussed from a carrier perspective. While optimal electrical dispersion mana...
Optical Home Network based on an NxN Multimode Fiber Architecture and CWDM Technology
Optical Home Network NxN Multimode Fiber Architecture CWDM Technology
2015/5/18
With this optical home network solution associating an NxN multimode architecture and CWDM technology, various applications and network topologies are supported by a unique multiformat infrastructure....
OTM- and OTDR-based cost-efficient Fiber Fault Identification and Localization in Passive Optical Network
OTM Passive Optical Network OTDR-based cost-efficient Fiber Fault
2015/5/18
PON monitoring based on combined Optical Time Domain Reflectometry (OTDR) and Optical Transceiver Monitoring (OTM) is presented. The results on a 25-km 1:32 PON prove the concept and show ~0.02 dB acc...