First O-band silicon coherent transmitter with integrated hybrid tunable laser and SOAs

Junqian Liu; Aaron Maharry; Aaron Wissing; Hector Andrade; Stephen Misak; Giovanni Gilardi; Sean Liao; Ansheng Liu; Yuliya Akulova; Larry Coldren; James F. Buckwalter; Clint L. Schow

doi:10.1117/12.2668010

13 March 2023 First O-band silicon coherent transmitter with integrated hybrid tunable laser and SOAs

Junqian Liu, Aaron Maharry, Aaron Wissing, Hector Andrade, Stephen Misak, Giovanni Gilardi, Sean Liao, Ansheng Liu, Yuliya Akulova, Larry Coldren, James F. Buckwalter, Clint L. Schow

Author Affiliations +

Proceedings Volume 12426, Silicon Photonics XVIII; 124260A (2023) https://doi.org/10.1117/12.2668010
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Scaling data centers to 200 Gbps/lane with direct detection may not provide sufficient link budget for optical switches. Analog coherent detection leverages phase and polarization of optical signals to scale efficiently without requiring digital signal processing and employs integrated lasers to maximize link budgets for optical switches. We report the first O-band silicon photonics coherent transmitter integrated with hybrid semiconductor optical amplifiers and tunable lasers. The laser demonstrated <6 dBm output power with ∼700 kHz linewidths across its 14 nm tuning spectrum. 64 Gbaud QPSK transmission was demonstrated with BER ∼4e-4 and ∼6.6 pJ/bit energy-efficiency when utilizing SiGe BiCMOS drivers.

Conference Presentation

Citation Download Citation

Junqian Liu, Aaron Maharry, Aaron Wissing, Hector Andrade, Stephen Misak, Giovanni Gilardi, Sean Liao, Ansheng Liu, Yuliya Akulova, Larry Coldren, James F. Buckwalter, and Clint L. Schow "First O-band silicon coherent transmitter with integrated hybrid tunable laser and SOAs", Proc. SPIE 12426, Silicon Photonics XVIII, 124260A (13 March 2023); https://doi.org/10.1117/12.2668010

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