Very-low-voltage operation of Mach-Zehnder interferometer-type electroabsorption modulator using asymmetric couplers.


We have proposed and developed a new type of electroabsorption modulator (EAM) that employs both optical absorption and interferometric extinction. The EAM operates at a record low voltage of 0.2 V at 25.8-Gbit/s modulation, which can reduce optical transmitter power consumption and allows the adoption of cost-effective CMOS drivers. 
DOI: 10.1364/OE.22.014610


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