期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 38, 期 9, 页码 2734-2739出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2020.2972637
关键词
Plasmons; Optical transmitters; Electrooptic modulators; Voltage measurement; Silicon; Photonics; Data center; direct detection; heterogeneous integration; indium phosphide; integrated optics; intensity modulation; optical transmitter; optoelectronics; plasmonics; silicon photonics
资金
- European Commission [780354, 98099]
- Air Force Office of Scientific Research [FA9550-19-1-0069]
We demonstrate a 222 GBd on-off-keying transmitter in a short-reach intra-datacenter scenario with direct detection after 120 m of standard single mode fiber. The system operates at net-data rates of >200 Gb/s OOK for transmission distances of a few meters, and >177 Gb/s over 120 m, limited by chromatic dispersion in the standard single mode fiber. The high symbol rate transmitter is enabled by a high-bandwidth plasmonic-organic hybrid Mach-Zehnder modulator on the silicon photonic platform that is ribbon-bonded to an InP DHBT 2:1 digital multiplexing selector. Requiring no driving RF amplifiers, the selector directly drives the modulator with a differential output voltage of 622 mV(pp) measured across a 50 ohm resistor. The transmitter assembly occupies a footprint of less than 1.5 mm x 2.1 mm.
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