160-GBd (320-Gb/s) PAM4 Transmission Using 97-GHz Bandwidth Analog Multiplexer

We demonstrate the transmission of a single-polarization four-level pulsed amplitude modulation (PAM4) optical signal over 10-km single-mode fiber at the gross bit rate of 320 Gb/s and the net data rate of 266.7 Gb/s. A digital-preprocessed analog-multiplexed digital-to-analog converter with a 97-GH...

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Veröffentlicht in:	IEEE photonics technology letters 2018-10, Vol.30 (20), p.1749-1751
Hauptverfasser:	Yamazaki, Hiroshi, Nagatani, Munehiko, Wakita, Hitoshi, Nakamura, Masanori, Kanazawa, Shigeru, Ida, Minoru, Hashimoto, Toshikazu, Nosaka, Hideyuki, Miyamoto, Yutaka
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplitude modulation Analog multiplexer (AMUX) Bandwidth Bandwidths Digital to analog conversion Digital to analog converters digital-to-analog converter (DAC) Integrated optics Multiplexing Optical communication Optical fibers Optical filters Optical receivers Optical transmitters pulsed amplitude modulation (PAM)
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Zusammenfassung:	We demonstrate the transmission of a single-polarization four-level pulsed amplitude modulation (PAM4) optical signal over 10-km single-mode fiber at the gross bit rate of 320 Gb/s and the net data rate of 266.7 Gb/s. A digital-preprocessed analog-multiplexed digital-to-analog converter with a 97-GHz bandwidth analog multiplexer module enables us to generate the Nyquist-shaped PAM4 signal at the high baud rate of 160 Gbd.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2018.2868373