slow light
Slow light in photonic crystals
... Slow light with a group velocity several tens to several hundreds of times lower than c is attainable with present PCW-based ...structures, slow propagation of subpicosecond optical pulses has been ...
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Four wave mixing in photonic crystal waveguides : slow light enhancement and limitations
... the slow light approach would realise this performance in a much more compact geometry and therefore enable much tighter integration, as required ...
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Simulation and Characteristics Improvement of Quantum Dot Slow Light Devices by Geometrical Dimension Alteration
... the light speed in the ...the light velocity or achieve slow ...the light pulse has the lowest group velocity in resonance frequency ...the light velocity is achieved by using EIT in ...
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Combining ?? Near Zero Behavior and Stopped Light Energy Bands for Ultra Low Reflection and Reduced Dispersion of Slow Light
... Although it has recently been proven that a single point of ZGV is guaranteed in ENZ plasmonic metama- terials, there may be drawbacks for obtaining slow light near these ZGV points. Beyond being highly ...
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Active slow light in silicon photonic crystals : tunable delay and Raman gain
... in slow light devices is that of dispersion-compensated structures: instead of de- signing the waveguide with a flattened dispersion curve, a dispersive slow light waveguide is followed by one ...
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Polarization rotation of slow light with orbital angular momentum in ultracold atomic gases
... a slow light with an orbital angular momentum in a moving atomic ...a slow light with an orbital angular momentum in a rotat- ing ...of slow light manifest itself in a rotation ...
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Stimulated Brillouin Scattering Characterization and Slow Light Generation Technique in Modern Optical Fibres
... Besides, slow-and fast light, Brillouin scattering was used to implement fibre lasers, fibre amplifiers [2] and optical fibre sensors ...far, slow light has been realized in wide variety of ...
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Optimizing band edge slow light in silicon on insulator waveguide gratings
... The propagation matrix of the slow light waveguide can be calculated in two ways. The first is basically the same procedure used in the conventional waveguide but taking the dispersion of the fundamental ...
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Slow light and evanescent modes at interfaces in photonic crystal waveguides: optimal extraction from experimental near field measurements
... We apply the extraction method to experimental near-field measurement data, performed for a set of photonic crystal waveguides. The various photonic crystal waveguides were engineered to exhibit different dispersion ...
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Ultracompact all optical XOR logic gate in a slow light silicon photonic crystal waveguide
... We have demonstrated an ultra-compact all-optical XOR gate using non-degenerate four-wave mixing in a dispersion-engineered photonic crystal waveguide for 40 Gbit/s DPSK signals. Error-free XOR operation was achieved ...
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Theoretical study on slow-light generated by integrated microring resonator with wide bandwidth and high gain
... Figure 11 shows the temporal profile of signal pulse after experiencing slow-light propagation through SRR and double PANDA system. Signals delay between the two pulses are about 45 ps. Interacting signals ...
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Effects of Quantum well Size Alteration on Excitonic Population Oscillation Slow Light Devices Properties
... to slow down the speed of ...principles. Slow light could be realized by methods such as electromagnetically in- duced transparency (EIT) in an ultra-cold atomic cloud, waveguide in photonic ...
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Loss engineered slow light waveguides
... for slow light PhC waveguides ...when light is not backscattered once, but multiple times, with the result that characteristic hot-spots form along the waveguide ...
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Simulating ultracold matter: horizons and slow light
... If we consider a superuid such as Helium-4, its normal component consists of elementary excitations in the large-wavelength limit, while the superuid compo- nent is a BEC. If there is no ow of the normal component, the ...
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Photonic crystal slow light waveguides in a kagome lattice
... fibre [25] communities, but has attracted only limited interest for PhC slabs [26, 27, 28]. The kagome lattice is a depleted version of the triangular lattice, consist- ing of a sparse super-lattice imposed on the ...
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Theory and Experiment of Slow Light Coupled Resonator Structures
... Since the first proposal of CROWs in 1999, numerous research works in both theory and experiment have been demonstrated, including CROWs based on different types of resonators, CROWs in different materials, CROWs with ...
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Ultrafast adiabatic manipulation of slow light in a photonic crystal
... entire light pulse, the use of many coupled cavities [9,10] or, more generally, photonic- crystal waveguides (PCWs) appears ...such slow light allows one to store complete picosecond light ...
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Scaling of Raman amplification in realistic slow light photonic crystal waveguides
... making slow light advantageous over fast light at low pump ...of slow-light effects will be even more pronounced for higher pump ...
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Slow light and chromatic temporal dispersion in photonic crystal waveguides using femtosecond time of flight
... Photonic crystals 共 PC’s 兲 are one-, two- or three- dimensional periodic structures with the ability to confine, control, and modify the flow of light into discreet energy bands and to localize optical fields into ...
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Understanding the rich physics of light propagation in slow photonic crystal waveguides
... The W1 waveguide, which consists of a line defect with one row of holes removed from the regular photonic lattice, has long been the workhorse of photonic crystal research. It has already been shown to suffer from ...
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