Slot Waveguide Modulator

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We experimentally demonstrate an ultracompact PlasMOStor, a plasmon slot waveguide field-effect modulator based on a transparent conducting oxide active region. By electrically modulating the conducting oxide material deposited into the gaps of highly confined plasmonic slot waveguides, we demonstrate field-effect dynamics giving rise to modulation with high dynamic range (2.71 dB/μm) and low. The energy consumption of the modulator is then dominated by the capacitive load of the slot waveguide. Lumped device, we estimate the power dissipation For the associated with charging and decharging the total modulator capa- citance CC MZM2 PMas seen by the coplanar waveguide (CPW) to be 2 W bitCU MZM dr vei /4.
Handcrafted, crunchy crust, smothered in cheese. Order Blackjack Pizza online for delivery or pick-up. See our coupons page for current deals and discounts. Blackjack pizza near me. Nonlinear polymer-clad silicon slot waveguide modulator with a half wave voltage of 0.25 V
*We design Mach–Zehnder interferometer (MZI) and microring modulators based on the GoS suspended vertical slot waveguide. Our calculations show that the modulators can be energy-efficient and footprint-compact due to the large phase shift of the propagating mode in the waveguide after applying a gate voltage on the graphene.
*Top-down layout of a slot-waveguide based optical modulator. C: Three dimensional, isometric schematic of a slot-waveguide modulator, showing the slot waveguide, segmentation region and metal contacts. The device functions by maintaining the two arms of the slot waveguide at differing voltages, creating a strong electric field in the slot.Abstract
We report on an electro-optic modulator fabricated from a silicon slot waveguide and clad in a nonlinear polymer. In this geometry, the electrodes form parts of the waveguide, and the modulator driving voltage drops across a 120nm slot. As a result, a half wave voltage of 0.25V is achieved near 1550nm. This is one of the lowest values for any modulator obtained to date. As the nonlinear polymers are extremely resistive, our device also has the advantage of drawing almost no current, suggesting this type of modulator could operate at exceedingly low power.
Dispersion analysis of dielectric slot waveguides Slot waveguide: In the normal dispersion regime near the 1550 nm wavelengths Channel silicon waveguide: In the abnormal dispersion regime GVD ( slot ) GVD ( channel ) Higher order dispersion behavior depending strongly on the geometric parameters of the slot waveguides (e.g. Slot & slab width.
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Publication:Pub Date:Slot Waveguide Modulator CircuitApril 2008DOI:10.1063/1.2909656Silicon Slot WaveguideBibcode:Plate-slot Polymer Waveguide Modulator On Silicon-on-insulator 2008ApPhL.92p3303B Keywords:
*42.65.Wi;
*42.70.Jk;
*42.79.Hp;
*42.82.Et;
*Nonlinear waveguides;
*Polymers and organics;
*Optical processors correlators and modulators;
*Waveguides couplers and arrays
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