As data traffic grows, there is an urgent demand for smaller optical transmitters and receivers capable of handling complex multi-level modulation formats and achieving higher data transmission speeds.
In an important step toward fulfilling this requirement, researchers developed a new compact indium phosphide (InP)-based coherent driver modulator (CDM) and showed that it can achieve a record high baud rate and transmission capacity per wavelength compared to other CDMs.
CDMs are optical transmitters used in optical communication systems that can put information on light by modulating the amplitude and phase before it is transmitted through an optical fiber.
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