Single-carrier 1-Tb/s PDM-16QAM transmission using high-speed InP MUX-DACs and an integrated OTDM modulator | Zendy

Hiroshi Yamazaki | Zendy; Akihide Sano | Zendy; Munehiko Nagatani | Zendy; Yutaka Miyamoto | Zendy

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Single-carrier 1-Tb/s PDM-16QAM transmission using high-speed InP MUX-DACs and an integrated OTDM modulator

Author(s) -

Hiroshi Yamazaki,

Akihide Sano,

Munehiko Nagatani,

Yutaka Miyamoto

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.012866

Subject(s) - quadrature amplitude modulation , multiplexer , modulation (music) , optics , multiplexing , transmission (telecommunications) , optical modulator , signal (programming language) , electronic engineering , phase modulation , computer science , physics , materials science , bit error rate , telecommunications , phase noise , engineering , channel (broadcasting) , acoustics , programming language

We generated a 1-Tb/s single-carrier PDM-16QAM signal using a single optical modulator with external PDM emulation. To achieve the high symbol rate of 125 Gbaud, we used high-speed InP MUX-DAC modules, each consisting of six 2:1 MUXs and a 6-bit DAC in a single package, and an integrated optical modulator, which contains a generator of two orthogonal CSRZ pulse trains for spectrally efficient OTDM followed by IQ modulators for each tributary. The signal was received and demodulated without using any time-domain demultiplexing. Transmission over 80-km SSMF was demonstrated.

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