Ultrafast All-Optical Switching
Experimental analysis of polarization dependence of ultrafast gain dynamics in SOAs
... semiconductor optical amplifiers has been the focus of a lot of work in the past ...in all-optical ...established switching techniques as cross-gain modulation, cross-phase modulation and ...
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Roles of heating and helicity in ultrafast all optical magnetization switching in TbFeCo
... 25 ultrafast exchange scattering, 26 and opti- cal spin ...of optical switching presented in the literature, as well as differing measurements with different conclusions as to the importance of the ...
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Mathematical modelling of all optical buffering for ultrafast optical time division multiplexed networks
... emerging switching technologies highlighted in section ...exceptional optical performance with a high reflection coefficient leading to low loss and ...the switching process is still ...other ...
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Study of the Ultrafast Configuration and Efficient Performance Mechanism of SOA-MZI Switching Devices
... the switching and amplifying SOAs, the optical power required to induce a π-phase shift, and the correct signal-control ...over all possible values of switching SOA bias ...
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Novel all optical switching and processing techniques for optical networking
... The optical gating of the linearly-chirped pulses at the above speed (160 Gb/s) re- quires the use of an ultrafast ...constant switching efficiency over the wide band- width of the linearly-chirped ...
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Solid state optical conjugated polymer amplifier; with ultrafast gain switching
... ducting optical amplifiers and Erbium Doped Fiber Amplifiers (EDFA) are commonly used in silica fiber networks to regenerate attenuated signals, for wavelength selection and for all-optical ...
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Designing a multi-hop regular virtual topology for ultrafast optical packet switching : node placement optimisation and/or dilation minimisation?
... The results obtained when the mean traffic nodes transfer is kept constant but the range varied is illustrated in Figure 3. Figure 3 shows that a change in traffic matrix range makes negligible difference to the ...
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Devices for terabit optical networks, an overview and trends
... speed optical networks, bits in optically compressed packets are spaced only picoseconds ...a switching node can take a place, destination address of an incoming packet must be obtained from the packet ...
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Ultrafast optical switching using parity time symmetric Bragg gratings
... previously for modeling linear Bragg gratings, where sampling size was required to be Δ𝑥 < 𝜆/48, [32], taking into account that the structural element of a PT grating is half of that of the linear Bragg grating. For ...
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All-optical switching using nonlinear subwavelength Mach-Zehnder on silicon
... the optical clock (pump) injection to control its all-optical switching ...the all-optical switching control of the ...the all-optical control can be done ...
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Ultrafast all-optical ALU operation using a soliton control within the cascaded InGaAsP/InP microring circuits
... [22], all-optical half-adder using Terahertz optical asymmetric demultiplexer (TOAD) switch is ...an all-optical binary full adder, using a Mach- Zehnder interferometer (MZI) based on a ...
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Ultrafast thermally induced magnetic switching in synthetic ferrimagnets
... magnetic switching are more ...of all-optical switching, which uses the interaction of short, intense pulses of light with a magnetic material to alter its magnetic state without the ...
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The rising role of photonics in today's data centres
... processing all optically; there will be basic requirements for all optical MUX/DEMUX devices capable of performing at speeds well beyond that available ...an ultrafast all ...
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Ultrafast Nonlinear Optical and Optical Limiting Properties of Phthalocyanine Thin Films Studied Using Z Scan
... in all the time domains, albeit in solu- tion ...the optical limiting per- formance of these molecules in thin films form (doped in PMMA) and demonstrated strong limiting properties in the cw ...for ...
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Roles of heating and helicity in ultrafast all optical magnetization switching in TbFeCo
... magnetization switching contains four periodes; peak electron temper- ature achieved; the system becomes fully demagnetized, magnetization switching is triggered; and a new magne- tization direction is ...
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Ultrafast photonic packet switching with optical control
... implementing all-optical address recognition including self routing of photonic ...switches, switching networks can be all-optical if optical processing is ...the ...
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Conditions for thermally induced all optical switching in ferrimagnetic alloys: Modeling of TbCo
... be relatively small [7]. Alternatively, the magnetic circular dy- chroism (MCD) has been suggested as the microscopic mecha- nism for the helicity-dependent switching [12]. Recent calcula- tions [23] have shown ...
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A grating based OCDMA coding:decoding system incorporating a nonlinear optical loop mirror for improved code recognition and noise reduction
... Fig. 1 shows the basic principle of pulse encoding and de- coding by SSFBGs. When a short pulse enters the SSFBG en- coder, the resulting reflected signal represents a coded sequence of distinct, time-spread pulses (the ...
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Nonlinear Optical Properties, Optical Limiting and Optical Switching of Ag Nanoparticles Prepared by a Green Synthetic Method
... the optical limiting behavior of Ag nanoparticles at 514 ...The optical limiting threshold was found to be ...The optical limiting can be explained as follows: The localized absorption of the fo- ...
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A Theoretical Study of Ultrafast Quasi-Particle Relaxation Time in Normal Metals
... Ultrafast quasi-particle relaxation dynamics for normal metal has been studied. Using the theoretical model developed by K. H. Ahn et al. (2004) which is based on Two- Temperature model (TTM) and coupled Boltzmann ...
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