TY - JOUR
T1 - Single-source chip-based frequency comb enabling extreme parallel data transmission
AU - Hu, Hao
AU - Da Ros, Francesco
AU - Pu, Minhao
AU - Ye, Feihong
AU - Ingerslev, Kasper
AU - Porto da Silva, Edson
AU - Nooruzzaman, Md
AU - Amma, Yoshimichi
AU - Sasaki, Yusuke
AU - Mizuno, Takayuki
AU - Miyamoto, Yutaka
AU - Ottaviano, Luisa
AU - Semenova, Elizaveta
AU - Guan, Pengyu
AU - Zibar, Darko
AU - Galili, Michael
AU - Yvind, Kresten
AU - Morioka, Toshio
AU - Oxenløwe, Leif K.
N1 - Publisher Copyright:
© 2018, The Author(s).
PY - 2018/8/1
Y1 - 2018/8/1
N2 - The Internet today transmits hundreds of terabits per second, consumes 9% of all electricity worldwide and grows by 20–30% per year1,2. To support capacity demand, massively parallel communication links are installed, not scaling favourably concerning energy consumption. A single frequency comb source may substitute many parallel lasers and improve system energy-efficiency3,4. We present a frequency comb realized by a non-resonant aluminium-gallium-arsenide-on-insulator (AlGaAsOI) nanowaveguide with 66% pump-to-comb conversion efficiency, which is significantly higher than state-of-the-art resonant comb sources. This enables unprecedented high data-rate transmission for chip-based sources, demonstrated using a single-mode 30-core fibre. We show that our frequency comb can carry 661 Tbit s–1 of data, equivalent to more than the total Internet traffic today. The comb is obtained by seeding the AlGaAsOI chip with 10-GHz picosecond pulses at a low pump power (85 mW), and this scheme is robust to temperature changes, is energy efficient and facilitates future integration with on-chip lasers or amplifiers5,6.
AB - The Internet today transmits hundreds of terabits per second, consumes 9% of all electricity worldwide and grows by 20–30% per year1,2. To support capacity demand, massively parallel communication links are installed, not scaling favourably concerning energy consumption. A single frequency comb source may substitute many parallel lasers and improve system energy-efficiency3,4. We present a frequency comb realized by a non-resonant aluminium-gallium-arsenide-on-insulator (AlGaAsOI) nanowaveguide with 66% pump-to-comb conversion efficiency, which is significantly higher than state-of-the-art resonant comb sources. This enables unprecedented high data-rate transmission for chip-based sources, demonstrated using a single-mode 30-core fibre. We show that our frequency comb can carry 661 Tbit s–1 of data, equivalent to more than the total Internet traffic today. The comb is obtained by seeding the AlGaAsOI chip with 10-GHz picosecond pulses at a low pump power (85 mW), and this scheme is robust to temperature changes, is energy efficient and facilitates future integration with on-chip lasers or amplifiers5,6.
UR - http://www.scopus.com/inward/record.url?scp=85049577109&partnerID=8YFLogxK
U2 - 10.1038/s41566-018-0205-5
DO - 10.1038/s41566-018-0205-5
M3 - Letter
AN - SCOPUS:85049577109
SN - 1749-4885
VL - 12
SP - 469
EP - 473
JO - Nature Photonics
JF - Nature Photonics
IS - 8
ER -
