Amplitude trimming of Si waveguides using phase change material

Ryutaro Eguchi; Hideaki Asakura; Yasuro Shimazaki; Takumi Moriyama; Ghanshyam Singh; Hiroyuki Tsuda

doi:10.1587/elex.13.20160107

Amplitude trimming of Si waveguides using phase change material

Ryutaro Eguchi, Hideaki Asakura, Yasuro Shimazaki, Takumi Moriyama, Ghanshyam Singh, Hiroyuki Tsuda

研究成果: Article › 査読

3 被引用数 (Scopus)

抄録

A transmission trimming method for Si waveguides using phase change material (PCM) is proposed. We used a 3D-finite difference time domain (3D-FDTD) method to calculate the phase and the loss of light induced by the trimming structures. With five small square patches of PCM on the waveguide, transmission trimming up to 32 levels can be achieved. It was found that the crosstalk of a MZI type optical switch can be reduced when the splitting ratio of the first coupler is corrected using this method.

本文言語	English
ジャーナル	IEICE Electronics Express
巻	13
号	6
DOI	https://doi.org/10.1587/elex.13.20160107
出版ステータス	Published - 2016 3月 8

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学
電子工学および電気工学

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10.1587/elex.13.20160107

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AU - Eguchi, Ryutaro

AU - Asakura, Hideaki

AU - Shimazaki, Yasuro

AU - Moriyama, Takumi

AU - Singh, Ghanshyam

AU - Tsuda, Hiroyuki

PY - 2016/3/8

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N2 - A transmission trimming method for Si waveguides using phase change material (PCM) is proposed. We used a 3D-finite difference time domain (3D-FDTD) method to calculate the phase and the loss of light induced by the trimming structures. With five small square patches of PCM on the waveguide, transmission trimming up to 32 levels can be achieved. It was found that the crosstalk of a MZI type optical switch can be reduced when the splitting ratio of the first coupler is corrected using this method.

AB - A transmission trimming method for Si waveguides using phase change material (PCM) is proposed. We used a 3D-finite difference time domain (3D-FDTD) method to calculate the phase and the loss of light induced by the trimming structures. With five small square patches of PCM on the waveguide, transmission trimming up to 32 levels can be achieved. It was found that the crosstalk of a MZI type optical switch can be reduced when the splitting ratio of the first coupler is corrected using this method.

KW - After-fabrication trimming

KW - Phase change material

KW - Silicon photonics

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Amplitude trimming of Si waveguides using phase change material

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