This paper review our recent work on silicon modulators based on free carrier concentration, working in the O-band of optical communications (1260 nm - 1360 nm) for short distance applications. 25 Gbit/s OOK modulation is obtained using a driving voltage of 3.3 Vpp , and QPSK dual-drive Mach-Zehnder modulator (DDMZM) operating in the O-band is demonstrated for the first time.
D. Pérez Galacho, L. Bramerie, C. Baudot, M. Chaibi, S. Messaoudène, N. Vulliet, L. Vivien, C. Peucheret, and D. Marris-Morini, "Advanced modulation format using silicon modulators in the O-band," Proc. SPIE 10535, Integrated Optics: Devices, Materials, and Technologies XXII, 105351K (Presented at SPIE OPTO: February 01, 2018; Published: 23 February 2018); https://doi.org/10.1117/12.2291888.
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