photonic crystal optical waveguides
Understanding the rich physics of light propagation in slow photonic crystal waveguides
... The backscatter measurement was performed by exploiting the interferometric technique described in [17,18]. Light is coupled from a tunable laser into the sample by using lensed fibres and the back-reflected light is ...
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Slow light and evanescent modes at interfaces in photonic crystal waveguides: optimal extraction from experimental near field measurements
... periodic waveguides though a special global optimization procedure applied to near-field electric field measurements in the waveguide ...2011 Optical Society of ...
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Slow light and chromatic temporal dispersion in photonic crystal waveguides using femtosecond time of flight
... the photonic band-gap influ- ence in low-loss 2D photonic-crystal waveguides with time- of-flight techniques utilizing a femtosecond white-light supercontinuum and an optical Kerr ...
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Photonic crystal slow light waveguides in a kagome lattice
... Figure 3: (Colour online) a) Dispersion curve of the waveguide under investigation. The modes of interest, lying in the second bandgap, are highlighted in red and light blue. The light line is shown in purple. b) Sketch ...
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Photonic Crystal Waveguides for Integration into an Atomic Physics Experiment
... Optical characterization of devices is performed primarily using a fiber-coupled broadband superluminescent diode (SLED), i covering the range of 815–910 nm (330–368 THz). Finer spectral detail can be obtained by ...
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Light-matter interaction in silicon nanophotonic structures
... the photonic crystal insertion ...in optical chips, this particular geometry does not represent the best structure to be employed for nonlinear optics ...slot waveguides, intrinsically ...
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Ultra Sharp Photonic Bends: A Review
... the optical waveguides on integrated circuits can carry the information using light (Optoelectronic) ...Thus optical waveguides can be used to carry the information in VLSI circuit ...The ...
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Loss engineered slow light waveguides
... the photonic crystal waveguides described in this paper ...standard photonic crystal waveguides, both with respect to propagation loss and group index bandwidth product, by ...
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Four wave mixing in photonic crystal waveguides : slow light enhancement and limitations
... conversion efficiency depends on device length in the presence of propagation losses. We find that the expected dependencies hold as long as both realistic losses and the variation of mode shape with slowdown factor are ...
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Transmission of PhC coupled resonator waveguide (PhCCRW) structure enhanced via mode matching
... A Photonic Crystal (PhC) Coupled-Resonator Waveguide (CRW) is a waveguide composed of a sequence of linked photonic crystal cavities ...hexagonal photonic crystal CRW can be bent ...
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Improvement of Optical Properties in Hexagonal Index-guiding Photonic Crystal Fiber for Optical Communications
... in optical communication systems. Optical fibers can also be employed in such ...Besides optical fibers, photonic crys- tal fibers are also highly suitable transmission media for ...
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Photonic crystal waveguides in chalcogenide glasses
... long photonic wire fol- lowed by a ring resonator ...silicon photonic wire was only ...in optical fibers in terms of input power and footprint, for true integration, the footprint ...
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Optical Power Splitting Techniques Using Photonic Crystal Line Defect Waveguides
... allows waveguides with tolerable ...straight waveguides and bends have been studied by many groups, the very important problem of junctions based complex circuits operation has only recently received ...
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Highly efficient coupling between a monolithically integrated photonic crystal cavity and a bus waveguide
... modern optical communication systems, maximizing the available bandwidth by transmitting multiple channels simultaneously through the same optical fiber using multiple ...efficient optical filter by ...
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Quality Factor Enhancement of Optical Channel Drop Filters Based on Photonic Crystal Ring Resonators
... backward dropping respectively. To achieve the appropriate coupling between the waveguides and ring resonators, we matched the rods of the ring resonator with waveguides, where the coupling was exactly ...
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Photonic crystals in planar waveguides
... of photonic crystals involves the solution of Maxwell’s equations in a periodic ...a photonic crystal, with a given dielectric constant, designed to operate at microwave frequencies will exhibit the ...
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Lower bound for the spatial extent of localized modes in photonic-crystal waveguides with small random imperfections
... near photonic band edges, since small group velocities reinforce light interaction with ...that photonic-crystal waveguides can exhibit surprisingly small localized modes, much smaller than ...
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Sensitivity Enhancement of Ring Laser Gyroscope Using Dielectric-Graphene Photonic Crystal
... graphene photonic crystal inside a ring laser gyroscope on the interference pattern and the sensitivity of the device are studied and simulated using ABCD propagation matrix ...dielectric-graphene ...
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Tunable All Optical Switch Implemented in a Liquid Crystal Filled Dual-Core Photonic Crystal Fiber
... all optical switch implemented in a PCF comprising a central core region of soft glass (SF57) surrounded by holes infiltrated with E7 type nematic liquid ...(liquid crystal) and use our findings to assess ...
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Lower bound for the spatial extent of localized modes in photonic crystal waveguides with small random imperfections
... periodic photonic structures at small disorder ...given photonic struc- ture is driven by the effective photon mass, ...of photonic bands in PhCWs may allow us either to lower the impact of residual ...
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