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Article Abstract
We demonstrate an error-free data transmission system without equalization, where both transmitter and receiver are fabricated using complementary metal oxide semiconductor (CMOS) compatible germanium-silicon (GeSi) processes. By utilizing a germanium-based electro absorption modulator (EAM) and a photodetector (PD), experimental results show that the L-band transmission system can achieve error-free transmission of 32 G baud non-return-to-zero (NRZ) signals. This work paves the way for mass production of direct link systems, providing a small size, low cost, and low latency solution for board-to-board communication applications. It is also anticipated that the co-fabrication of optical and circuit devices will become a possibility.
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| http://dx.doi.org/10.1364/OE.548047 | DOI Listing |
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