Search results for "Franz–Keldysh effect"

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Low-Power consumption Franz-Keldysh effect plasmonic modulator

2014

In this paper we report on a low energy consumption CMOS-compatible plasmonic modulator based on Franz-Keldysh effect in germanium on silicon. We performed integrated electro-optical simulations in order to optimize the main characteristics of the modulator. A 3.3 $dB$ extinction ratio for a 30 ${\mu}m$ long modulator is demonstrated under 3 $V$ bias voltage at an operation wavelength of 1647 $nm$. The estimated energy consumption is as low as 20 $fJ/bit$.

Materials sciencechemistry.chemical_elementFOS: Physical sciencesGermaniumApplied Physics (physics.app-ph)OpticsElectro-absorption modulatorMesoscale and Nanoscale Physics (cond-mat.mes-hall)Condensed Matter - Materials ScienceExtinction ratioCondensed Matter - Mesoscale and Nanoscale Physicsbusiness.industryElectro-optic modulatorMaterials Science (cond-mat.mtrl-sci)BiasingEnergy consumptionPhysics - Applied PhysicsAtomic and Molecular Physics and OpticsFranz–Keldysh effectCondensed Matter - Other Condensed MatterOptical modulatorchemistryOptoelectronicsbusinessOptics (physics.optics)Other Condensed Matter (cond-mat.other)Physics - Optics
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A CMOS-compatible Franz-Keldysh effect plasmonic modulator

2014

We present a design of an optimized CMOS-compatible germanium-on-silicon Franz-Keldysh effect plasmonic modulator. Its length is below 30 μm and the modulator operates at −3V. It features a power consumption as low as 20 fJ/bit.

PhysicsOpticsPower demandbusiness.industryPower consumptionModulationElectro-optic modulatorOptoelectronicsbusinessFranz–Keldysh effectPlasmonCmos compatible11th International Conference on Group IV Photonics (GFP)
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