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Title: Efficient and broadband polarization rotator using horizontal slot waveguide for silicon photonics
Authors: Zhang, H.
Das, S.
Huang, Y.
Li, C.
Chen, S.
Zhou, H.
Yu, M.
Guo-Qiang Lo, P.
Thong, J.T.L. 
Issue Date: 9-Jul-2012
Citation: Zhang, H., Das, S., Huang, Y., Li, C., Chen, S., Zhou, H., Yu, M., Guo-Qiang Lo, P., Thong, J.T.L. (2012-07-09). Efficient and broadband polarization rotator using horizontal slot waveguide for silicon photonics. Applied Physics Letters 101 (2) : -. ScholarBank@NUS Repository.
Abstract: We report an efficient and low-loss polarization rotator based on mode evolution using horizontal slot waveguide. The device is fabricated using complementary metal-oxide-semiconductor compatible processes, which allows monolithic integration with active drive electronics and other photonic components. A rotator fabricated with 100 μm transition length provides a high extinction ratio >14 dB for both transverse-magnetic (TM)-transverse-electric (TE) and TE-TM rotation. The excess loss of the device is 1 dB for both rotations as etching of the bottom Si waveguide is prevented. The device also exhibits a uniform rotation response over CL band wavelength range of 1530-1600 nm. © 2012 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.4734640
Appears in Collections:Staff Publications

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