Silicon Mach-Zehnder waveguide interferometer on silicon-on-silicon (SOS) substrate incorporating the integrated three-terminal field-effect device as an optical signal modulation structure

Ricky W. Chuang, Mao Teng Hsu, Shen Horng Chou, Yao Jen Lee

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

Silicon Mach-Zehnder interferometric (MZI) waveguide modulator incorporating the n-channel junction field-effect transistor (JFET) as a signal modulation unit was designed, fabricated, and analyzed. The proposed MZI with JFET was designed to operate based on the plasma dispersion effect in the infrared wavelength of 1550 nm. The three different modulation lengths (ML) of 500, 1000, and 2000μm while keeping the overall MZI length constant at 1.5 cm were set as a general design rule for these 10μm-wide MZIs under study. When the JFET was operated in an active mode by injecting approximately 50 mA current (Is) to achieve a π phase shift, the modulation efficiency of the device was measured to be η = π/(Is·L) ≃ 40π/A-mm. The temporal and frequency response measurements also demonstrate that the respectively rise and fall times measured using a high-speed photoreceiver were in the neighborhood of 8.5 and 7.5μsec and the 3 dB roll-off frequency (f3 dB) measured was in the excess of ∼400 kHz.

原文English
頁(從 - 到)1173-1178
頁數6
期刊IEICE Transactions on Electronics
E94-C
發行號7
DOIs
出版狀態Published - 2011 7月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 電氣與電子工程

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