Journal
OPTICS LETTERS
Volume 42, Issue 24, Pages 5110-5112Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.42.005110
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- New Energy and Industrial Technology Development Organization (NEDO)
- Accelerated Innovation Research Initiative Turning Top Science and Ideas into High-Impact Values (ACCEL) Project of Japan Science and Technology Agency [JPMJAC1603]
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The slow-light effect in silicon lattice-shifted photonic crystal waveguide (LSPCW) Mach-Zehnder modulators allows compact phase shifters, while limiting the working spectrum Delta lambda. We optimized the structural parameters of the LSPCW and extended Delta lambda to cover the full C-band in exchange for moderately decreasing the group index n(g). We obtained Delta lambda = 42 nm with n(g) = 8 - 9 in a fabricated device and observed 25 Gbps eye opening in the 200 mu m modulator in the full C-band. (C) 2017 Optical Society of America
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