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  • Title: Silicon photonic receiver and transmitter operating up to 36 Gb/s for λ~1550 nm.
    Author: Joo J, Jang KS, Kim SH, Kim IG, Oh JH, Kim SA, Jeong GS, Kim Y, Park JE, Kim S, Chi H, Jeong DK, Kim G.
    Journal: Opt Express; 2015 May 04; 23(9):12232-43. PubMed ID: 25969309.
    Abstract:
    We present the hybrid-integrated silicon photonic receiver and transmitter based on silicon photonic devices and 65 nm bulk CMOS interface circuits operating over 30 Gb/s with a 10(-12) bit error rate (BER) for λ ~1550nm. The silicon photonic receiver, operating up to 36 Gb/s, is based on a vertical-illumination type Ge-on-Si photodetector (Ge PD) hybrid-integrated with a CMOS receiver front-end circuit (CMOS Rx IC), and exhibits high sensitivities of -11 dBm, -8 dBm, and -2 dBm for data rates of 25 Gb/s, 30 Gb/s and 36 Gb/s, respectively, at a BER of 10(-12). The measured energy efficiency of the Si-photonic receiver is 2.6 pJ/bit at 25 Gb/s with an optical input power of -11 dBm, and 2.1 pJ/bit at 36 Gb/s with an optical power of -2 dBm. The hybrid-integrated silicon photonic transmitter, comprised of a depletion-type Mach-Zehnder modulator (MZM) and a CMOS driver circuit (CMOS Tx IC), shows better than 5.7 dB extinction ratio (ER) for 25 Gb/s, and 3 dB ER for 36 Gb/s. The silicon photonic transmitter achieves the data transmission with less than 10(-15) BER at 25 Gb/s, 10(-14) BER at 28 Gb/s, and 6 x 10(-13) BER with the energy efficiency of ~6 pJ/bit at 30 Gb/s.
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