Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 26, Issue 13, Pages 1344-1347Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2014.2322501
Keywords
Integrated optics; nanophotonic circuits; electro-optical devices
Funding
- 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
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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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