Ultra-compact and Highly Efficient Polarization Splitter and Rotator Based on a Silicon Bent Directional Coupler

Konferenz: ECOC 2016 - 42nd European Conference on Optical Communication
18.09.2016 - 22.09.2016 in Düsseldorf, Deutschland

Tagungsband: ECOC 2016

Seiten: 3Sprache: EnglischTyp: PDF

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Zhang, Yong; He, Yu; Jiang, Xinhong; Liu, Boyu; Qiu, Ciyuan; Su, Yikai (State Key Lab of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China)

An ultra-compact (coupling length ~ 8.77 µm) silicon polarization splitter and rotator is demonstrated based on a bent directional coupler. The peak TM-TE coupling efficiency reaches 96.6%. The crosstalk values are < -10 dB over a wavelength range of 40 nm.