112 GBaud PAM-8 operation of 2-ch EML array on high-performance sub-mount

M. Shirao; S. Okuda; A. Uchiyama; T. Fujita; N. Ohata

doi:10.1117/12.2690921

8 March 2024 112 GBaud PAM-8 operation of 2-ch EML array on high-performance sub-mount

M. Shirao, S. Okuda, A. Uchiyama, T. Fujita, N. Ohata

Proceedings Volume 12894, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIII; 1289404 (2024) https://doi.org/10.1117/12.2690921
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

We report a 2-CH EML array and its assembling technique for the next-generation IM-DD system. In this paper, we fabricate an arrayed EML consisting of BH DFB-LDs and high-mesa EA modulators in a single chip. We obtained a 3-dB bandwidth above 67 GHz (bandwidth is higher but could not be measured due to equipment limit), low inter-channel crosstalk below -20 dB, and an excellent eye quality at 112 GBaud PAM4/PAM6/PAM8.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

M. Shirao, S. Okuda, A. Uchiyama, T. Fujita, and N. Ohata "112 GBaud PAM-8 operation of 2-ch EML array on high-performance sub-mount", Proc. SPIE 12894, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIII, 1289404 (8 March 2024); https://doi.org/10.1117/12.2690921

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