Journal
2015 IEEE 12TH INTERNATIONAL CONFERENCE ON GROUP IV PHOTONICS (GFP)
Volume -, Issue -, Pages 33-34Publisher
IEEE
Keywords
Silicon photonics; surface transfer doping; low-loss waveguides; high-speed modulators
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We show that undoped silicon waveguides may suffer of up to 1.8 dB/cm free-carrier absorption caused by improper surface passivation. This result opens new-perspectives for low-loss silicon photonics and high-speed gateless devices.
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