A compact, broadband slot waveguide polarization rotator | Zendy

Jiahua Fan | Zendy; Chenguang Huang | Zendy; Lin Zhu | Zendy

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A compact, broadband slot waveguide polarization rotator

Author(s) -

Jiahua Fan,

Chenguang Huang,

Lin Zhu

Publication year - 2011

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3662034

Subject(s) - broadband , polarization rotator , polarization (electrochemistry) , optics , extinction ratio , fabrication , materials science , waveguide , silicon , adiabatic process , optoelectronics , physics , wavelength , birefringence , chemistry , medicine , alternative medicine , pathology , thermodynamics

We demonstrate a chip-scale compact, broadband polarization rotator on a silicon substrate. Unlike previously demonstrated waveguide polarization rotators, our approach relies on the adiabatic mode evolution in a single horizontal slot-waveguide, which results in a simple design and one-mask fabrication process.The structure is designed to rotate the TM-polarized input by 90 degree while be transparent with the TE-polarized input. The fabricated device has a total length of 100μm. Transmission spectra show the average polarization extinction ratios of 20 dB and 15 dB for TE and TM -polarized inputs, respectively

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