| 摘要 |
The modulator includes an optical waveguide positioned on a base. The waveguide is configured to guide a light signal through a light signal-carrying region of a light-transmitting medium. The light signal-carrying region is a region of the waveguide where a fundamental and higher order modes of the light signal are constrained within the waveguide. The modulator also includes a bipolar junction transistor formed in the light-transmitting medium. The bipolar junction transistor is positioned such that causing current to flow through the transistor causes charge carriers to be introduced into the light signal-carrying region of the waveguide.
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