Up to 80 Gbaud DP‐16QAM operation using InP‐based high‐bandwidth coherent driver modulator | Zendy

Ozaki J. | Zendy; Ogiso Y. | Zendy; Hashizume Y. | Zendy; Kanazawa S. | Zendy; Ueda Y. | Zendy; Nunoya N. | Zendy; Tanobe H. | Zendy; Ishikawa M. | Zendy

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Up to 80 Gbaud DP‐16QAM operation using InP‐based high‐bandwidth coherent driver modulator

Author(s) -

Ozaki J.,

Ogiso Y.,

Hashizume Y.,

Kanazawa S.,

Ueda Y.,

Nunoya N.,

Tanobe H.,

Ishikawa M.

Publication year - 2019

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2019.1439

Subject(s) - bandwidth (computing) , quadrature amplitude modulation , electronic engineering , optoelectronics , electro optic modulator , materials science , computer science , optical modulator , physics , phase modulation , engineering , telecommunications , bit error rate , phase noise , channel (broadcasting)

The authors obtained very good back‐to‐back bit error rate performance in up to 80 Gbaud DP‐16QAM operation by using their coherent driver modulator of a 3‐dB electro‐optic bandwidth of over 50 GHz. To achieve high bandwidth and good signal integrity, they used double ultra‐low loop wires between the driver IC and the modulator and a differential capacitively loaded travelling‐wave RF electrode based on straight coupled coplanar waveguide with a ground‐signal–signal‐ground configuration for their InP modulator. As far as they know, this is the highest bandwidth and baud rate operation so far for the high‐bandwidth coherent driver modulator configuration.

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