Ultrasensitive silicon photonic-crystal nanobeam electro-optical modulator: Design and simulation

被引：50

作者：

Hendrickson, Joshua ^{[1
]}

Soref, Richard ^{[2
,3
]}

Sweet, Julian ^{[1
,4
]}

Buchwald, Walter ^{[2
,3
]}

机构：

[1] US Air Force, Res Lab, Sensors Directorate, Wright Patterson AFB, OH 45433 USA

[2] Univ Massachusetts, Dept Phys, Boston, MA 02125 USA

[3] Univ Massachusetts, Engn Program, Boston, MA 02125 USA

[4] Wyle Labs, Beavercreek, OH 45431 USA

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 03期

关键词：

OPTICAL WAVE-GUIDES; DEPLETION MODULATORS; RESONATORS; JUNCTIONS; CAVITIES;

D O I：

10.1364/OE.22.003271

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Design and simulation results are presented for an ultralow switching energy, resonator based, silicon-on-insulator (SOI) electro-optical modulator. The nanowire waveguide and Q similar to 8500 resonator are seamlessly integrated via a high-transmission tapered 1D photonic crystal cavity waveguide structure. A lateral p-n junction of modulation length L-m similar to lambda is used to alter the index of refraction and, therefore, shift the resonance wavelength via fast carrier depletion. Differential signaling of the device with Delta V similar to 0.6 Volts allows for a 6dB extinction ratio at telecom wavelengths with an energy cost as low as 14 attojoules/bit. (C) 2014 Optical Society of America

引用

页码：3271 / 3283

页数：13

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