Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock distribution

Junichi Fujikata, Koichi Nose, Jun Ushida, Kenichi Nishi, Masao Kinoshita, Takanori Shimizu, Toshihide Ueno, Daisuke Okamoto, Akiko Gomyo, Masayuki Mizuno, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi, Keishi Ohashi

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We developed a waveguide-integrated Si nano-photodiode (PD) with a surface plasmon (SP) antenna for on-chip optical clock distribution. The interfacial periodic nano-scale metal-semiconductor-metal Schottky electrodes were shown to function as an SP optical antenna and also as an optical coupler between a SiON waveguide and a very thin Si-absorption layer. Furthermore, a very high speed response of 17 ps as well as enhanced photoresponsivity was achieved for a 10-μ coupling length. By using this technology, we fabricated a prototype of a large-scale-integration (LSI) on-chip optical clock system and demonstrated 5 GHz of optical clock circuit operation connected with a 4-branching H-tree structure.

Original languageEnglish
Article number022001
JournalApplied Physics Express
Volume1
Issue number2
DOIs
Publication statusPublished - 2008 Feb
Externally publishedYes

Fingerprint

Photodiodes
clocks
photodiodes
Clocks
Waveguides
antennas
chips
Antennas
waveguides
LSI circuits
large scale integration
Metals
metals
couplers
prototypes
high speed
Semiconductor materials
Electrodes
electrodes
Networks (circuits)

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock distribution. / Fujikata, Junichi; Nose, Koichi; Ushida, Jun; Nishi, Kenichi; Kinoshita, Masao; Shimizu, Takanori; Ueno, Toshihide; Okamoto, Daisuke; Gomyo, Akiko; Mizuno, Masayuki; Tsuchizawa, Tai; Watanabe, Toshifumi; Yamada, Koji; Itabashi, Seiichi; Ohashi, Keishi.

In: Applied Physics Express, Vol. 1, No. 2, 022001, 02.2008.

Research output: Contribution to journalArticle

Fujikata, J, Nose, K, Ushida, J, Nishi, K, Kinoshita, M, Shimizu, T, Ueno, T, Okamoto, D, Gomyo, A, Mizuno, M, Tsuchizawa, T, Watanabe, T, Yamada, K, Itabashi, S & Ohashi, K 2008, 'Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock distribution', Applied Physics Express, vol. 1, no. 2, 022001. https://doi.org/10.1143/APEX.1.022001
Fujikata, Junichi ; Nose, Koichi ; Ushida, Jun ; Nishi, Kenichi ; Kinoshita, Masao ; Shimizu, Takanori ; Ueno, Toshihide ; Okamoto, Daisuke ; Gomyo, Akiko ; Mizuno, Masayuki ; Tsuchizawa, Tai ; Watanabe, Toshifumi ; Yamada, Koji ; Itabashi, Seiichi ; Ohashi, Keishi. / Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock distribution. In: Applied Physics Express. 2008 ; Vol. 1, No. 2.
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