Surface normal electro-absorption modulators in short-reach high-capacity transmission

Patrick Iannone; Stephano Grillanda

doi:10.1117/12.3008364

8 March 2024 Surface normal electro-absorption modulators in short-reach high-capacity transmission

Patrick Iannone, Stephano Grillanda

Proceedings Volume 12894, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIII; 1289402 (2024) https://doi.org/10.1117/12.3008364
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Co-packaging of optics and electronics is essential to alleviating scaling bottlenecks in short-reach high-bandwidth applications such as datacenter links and interconnections. One transmit-side solution includes a shared WDM or gray optics laser source and dense arrays of high-speed, low power consumption modulators. With this in mind, we have demonstrated high-speed NRZ and PAM-4 direct detection links based on surface normal electro-absorption modulators (SNEAMs). SNEAMs are particularly attractive for co-packaged optics and other short-reach applications due to their low power consumption, high-speed, polarization independence, wide operating wavelength band, and small footprint. Here we describe short-reach transmission studies of SNEAMs at baud rates up to 80 Gbaud (160 Gbps PAM-4) and over optical bands spanning up to 32 nm. We show the potential for dense modulator arrays with a proof-of-concept experiment that integrates a 4-channel array of SNEAMs with a 4-channel array of electronic drivers. We also report a demonstration of SNEAMs as remote modulators in a centrally-sourced WDM passive optical network.

Conference Presentation

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

Citation Download Citation

Patrick Iannone and Stephano Grillanda "Surface normal electro-absorption modulators in short-reach high-capacity transmission", Proc. SPIE 12894, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIII, 1289402 (8 March 2024); https://doi.org/10.1117/12.3008364

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