Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 34, Issue 2, Pages 393-400Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2015.2487560
Keywords
Electrooptic modulators; nonlinear optical devices; plasmonics
Funding
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1303080] Funding Source: National Science Foundation
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We report on high-extinction-ratio, ultrafast plasmonic Mach-Zehnder modulators. We demonstrate data modulation at line rates up to 72 Gbit/s (BPSK) and 108 Gbit/s (4-ASK). The driving voltages are U-d = 4 and 2.5 V-p for 12.5 and 25 mu m short devices, respectively. The frequency response shows no bandwidth limitations up to 70 GHz. Static characterizations indicate extinction ratios > 25 dB.
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