High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer

Yusuke Miyoshi, Yusuke Fukazawa, Yuya Amasaka, Robin Reckmann, Tomoya Yokoi, Kazuki Ishida, Kenji Kawahara, Hiroki Ago, Hideyuki Maki

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

High-speed light emitters integrated on silicon chips can enable novel architectures for silicon-based optoelectronics, such as on-chip optical interconnects, and silicon photonics. However, conventional light sources based on compound semiconductors face major challenges for their integration with a silicon-based platform because of their difficulty of direct growth on a silicon substrate. Here we report ultra-high-speed (100-ps response time), highly integrated graphene-based on-silicon-chip blackbody emitters in the near-infrared region including telecommunication wavelength. Their emission responses are strongly affected by the graphene contact with the substrate depending on the number of graphene layers. The ultra-high-speed emission can be understood by remote quantum thermal transport via surface polar phonons of the substrates. We demonstrated real-time optical communications, integrated two-dimensional array emitters, capped emitters operable in air, and the direct coupling of optical fibers to the emitters. These emitters can open new routes to on-Si-chip, small footprint, and high-speed emitters for highly integrated optoelectronics and silicon photonics.

Original languageEnglish
Article number1279
JournalNature communications
Volume9
Issue number1
DOIs
Publication statusPublished - Dec 1 2018

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Silicon
Optical communication
optical communication
graphene
emitters
Hot Temperature
heat transfer
Communication
chips
high speed
Heat transfer
silicon
Optics and Photonics
Photonics
Substrates
Phonons
photonics
Integrated optoelectronics
Optical Fibers

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Miyoshi, Y., Fukazawa, Y., Amasaka, Y., Reckmann, R., Yokoi, T., Ishida, K., ... Maki, H. (2018). High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer. Nature communications, 9(1), [1279]. https://doi.org/10.1038/s41467-018-03695-x

High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer. / Miyoshi, Yusuke; Fukazawa, Yusuke; Amasaka, Yuya; Reckmann, Robin; Yokoi, Tomoya; Ishida, Kazuki; Kawahara, Kenji; Ago, Hiroki; Maki, Hideyuki.

In: Nature communications, Vol. 9, No. 1, 1279, 01.12.2018.

Research output: Contribution to journalArticle

Miyoshi, Y, Fukazawa, Y, Amasaka, Y, Reckmann, R, Yokoi, T, Ishida, K, Kawahara, K, Ago, H & Maki, H 2018, 'High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer', Nature communications, vol. 9, no. 1, 1279. https://doi.org/10.1038/s41467-018-03695-x
Miyoshi, Yusuke ; Fukazawa, Yusuke ; Amasaka, Yuya ; Reckmann, Robin ; Yokoi, Tomoya ; Ishida, Kazuki ; Kawahara, Kenji ; Ago, Hiroki ; Maki, Hideyuki. / High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer. In: Nature communications. 2018 ; Vol. 9, No. 1.
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