Low loss 40 Gbit/s silicon modulator based on interleaved junctions and fabricated on 300 mm SOI wafers
2013
We demonstrate high-speed silicon modulators based on carrier depletion in interleaved pn junctions fabricated on 300mm-SOI wafers using CMOS foundry facilities. 950µm-long Mach Zehnder (MZ) and ring resonator (RR) modulator with a 100µm radius, were designed, fabricated and characterized. 40 Gbit/s data transmission has been demonstrated for both devices. The MZ modulator exhibited a high extinction ratio of 7.9 dB with only 4 dB on-chip losses at the operating point.
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