期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 26, 期 13, 页码 1344-1347出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2014.2322501
关键词
Integrated optics; nanophotonic circuits; electro-optical devices
资金
- National Science Foundation through the Materials Research Science and Engineering Center [DMR-1119826]
- National Science Foundation [DMR-1309868]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1309868] Funding Source: National Science Foundation
We propose a novel design concept for compact electro-optic modulators based on a horizontally slotted ridge waveguide using ferroelectric barium titanate (BaTiO3) as the electro-optically active material. A low voltage-length product is achieved by concentrating the propagating electromagnetic fields in the BaTiO3 layer. Thus, high overlap between the modulation electric fields and the guided light is achieved. The proposed waveguide structure features low propagation loss and can be easily fabricated with standard silicon fabrication techniques.
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