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25 Gbps operation was obtained with extinction ratios of 2 – 4 dB for Vpp = 1.00 – 1.75 V in MZI modulator consisting of 200-µm photonic crystal slow light waveguide phase shifters.
We present a graphene based absorption modulator on SOI waveguide with very low insertion loss. The device showed a modulation of 16 dB and an insertion loss of only 3.3dB, surpassing GeSi based absorption modulators.
A wavelength selective 1-by-8-port optical broadcasting system is proposed and demonstrated utilizing partial drop adiabatic microring tunable filters, achieving a 92.7GHz filter bandwidth, 36.2nm Free-Spectral-Range, low power-variation (0.11dB), and aggregate excess loss of only 1.1dB.
A novel high-speed Mach-Zehnder modulator (MZM) fully integrated into a 90 nm CMOS process is presented. The MZM features ‘double-pass’ optical phase shifter segments, and the first use of integrated inductors in a ‘velocity-matched’ distributed-electrode configuration.
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