Compact Lithium-Niobate-on-Insulator Polarization Rotator Based on Asymmetric Hybrid Plasmonics Waveguide
Open Access
- 7 July 2021
- journal article
- research article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Journal
- Vol. 13 (4), 1-5
- https://doi.org/10.1109/jphot.2021.3094797
Abstract
We proposed a compact and efficient polarization rotator (PR) based on an asymmetric hybrid plasmonics waveguide (HPW) on the lithium-niobate-on-insulator (LNOI) platform. We focus on the design of rotation angle and balance between the two hybrid modes. The presented device exhibits a polarization extinction ratio as high as 59.58 dB and an insertion loss of 1.44 dB with the rotation length of only 13.7 μm. The fabrication tolerances and a suitable process are also discussed to meet the state-of-art technology.Keywords
Funding Information
- National Key R&D Program of China (2018YFB2200504, 2019YFB, 2203700)
- National Natural Science Foundation of China (61674142, 62041502)
This publication has 27 references indexed in Scilit:
- A Compact TE-Pass Polarizer for Silicon-Based Slot WaveguidesIEEE Photonics Technology Letters, 2015
- Ultracompact TE-Pass Polarizer Based on a Hybrid Plasmonic WaveguideIEEE Photonics Technology Letters, 2014
- Ultracompact and broadband polarization beam splitter utilizing the evanescent coupling between a hybrid plasmonic waveguide and a silicon nanowireOptics Letters, 2013
- Ultracompact and silicon-on-insulator-compatible polarization splitter based on asymmetric plasmonic–dielectric couplingApplied Physics B Laser and Optics, 2013
- Fabrication tolerant polarization splitter and rotator based on a tapered directional couplerOptics Express, 2012
- Passive technologies for future large-scale photonic integrated circuits on silicon: polarization handling, light non-reciprocity and loss reductionLight: Science & Applications, 2012
- Ultrasmall Si-nanowire-based polarization rotatorJournal of the Optical Society of America B, 2008
- Polarization-transparent microphotonic devices in the strong confinement limitNature Photonics, 2006
- Surface plasmon subwavelength opticsNature, 2003
- Optical Constants of the Noble MetalsPhysical Review B, 1972