Interlayer Polarization Beam Splitter Based on Asymmetrical Si Wire Directional Coupler
Interlayer Polarization Beam Splitter Based on Asymmetrical Si Wire Directional Coupler
复制标题
基于非对称硅线定向耦合器的层间偏振分束器
DOI:
10.1109/lpt.2016.2558286
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发表时间:
2016
影响因子:
2.6
通讯作者:
Masahiko Mori
中科院分区:
文献类型:
--
作者:
Yuki Atsumi;Ryohei Takei;Makoto Okano;Tomohiro Amemiya;Youichi Sakakibara;Masahiko Mori
We proposed and designed a compact Si interlayer polarization beam splitter (PBS) that is based on a crystalline Si and hydrogenated amorphous Si (a-Si:H) vertical asymmetrical directional coupler toward 3-D Si photonics integrated circuits. The changeable thickness of the upper a-Si:H waveguide enables the realization of the TM-mode-coupled PBS with simple-structured parallel Si wire waveguides. The device with a 260-nm × 220-nm first-layer waveguide and a 340-nm × 200-nm second-layer waveguide operates in a broadband width of 77 nm, with a crosstalk of less than -20 dB and an insertion loss of <;0.3 dB in the C-band. The device is robust in terms of alignment error between the two waveguides.
影响因子:
3.8
作者:
R. Sun;M. Beals;A. Pomerene;Jing Cheng;C. Hong;L. Kimerling;J. Michel
通讯作者:
J. Michel
影响因子:
4
作者:
K. Furuya;Koichi Nakanishi;R. Takei;E. Omoda;Masao Suzuki;M. Okano;T. Kamei;M. Mori;Y. Sakakibara
通讯作者:
Y. Sakakibara