12.032 Tbit/s coherent transmission using an ultra-narrow linewidth qantum dot 34.46-GHz C-Band coherent comb laser

Zhenguo Lu; Jiaren Liu; Linda Mao; Chun-Ying Song; John Weber; Philip Poole

doi:10.1117/12.2507504

1 February 2019 12.032 Tbit/s coherent transmission using an ultra-narrow linewidth qantum dot 34.46-GHz C-Band coherent comb laser

Zhenguo Lu, Jiaren Liu, Linda Mao, Chun-Ying Song, John Weber, Philip Poole

Author Affiliations +

Proceedings Volume 10947, Next-Generation Optical Communication: Components, Sub-Systems, and Systems VIII; 109470J (2019) https://doi.org/10.1117/12.2507504
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

We have developed an external cavity self-injection feedback locking (SIFL) system to simultaneously reduce optical linewidth of each individual channel of an InAs/InP qantum dot (QD) 34.46-GHz coherent comb laser (CCL). Optical linewidths are reduced from a few MHz down to less than 300 kHz over 47 filtered individual channels, varying from 5.3% to 9.1% of the original linewidth, between 1531.60 nm to 1544.20 nm. By using this ultra-narrow linewidth QD CCL we have demonstrated 12.032 Tbit/s (16QAM 47x32 GBaud PDM) back to back coherent data bandwidth transmission capacity.

Conference Presentation

Citation Download Citation

Zhenguo Lu, Jiaren Liu, Linda Mao, Chun-Ying Song, John Weber, and Philip Poole "12.032 Tbit/s coherent transmission using an ultra-narrow linewidth qantum dot 34.46-GHz C-Band coherent comb laser", Proc. SPIE 10947, Next-Generation Optical Communication: Components, Sub-Systems, and Systems VIII, 109470J (1 February 2019); https://doi.org/10.1117/12.2507504

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