Proposal of a small self-holding 2×2 optical switch using phase-change material

研究成果: Article査読

31 被引用数 (Scopus)

抄録

A small and fast self-holding 2×2 optical switch using phase change material is proposed. This switch is based on a directional coupler in which a short waveguide made of a phase-change material (PCM) is sandwiched between two Si waveguides. The characteristics of the proposed switch were simulated by a beam propagation method (BPM). This switch can be as small as 3μm × 21 μm because the change in the refractive index of PCMs between the crystalline and amorphous states is very large; in addition, by utilizing the self-holding characteristics, it has the potential for low power consumption. The loss and the crosstalk were calculated to be 2.5 dB and -20.4dB in the bar state and 1.3 dB and -14.3 dB in the cross state, respectively.

本文言語English
ページ(範囲)442-445
ページ数4
ジャーナルIEICE Electronics Express
5
12
DOI
出版ステータスPublished - 2008 6 25

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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