Membrane distributed-reflector laser integrated with SiO x -based spot-size converter on Si substrate

Hidetaka Nishi, Takuro Fujii, Koji Takeda, Koichi Hasebe, Takaaki Kakitsuka, Tai Tsuchizawa, Tsuyoshi Yamamoto, Koji Yamada, Shinji Matsuo

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We demonstrate monolithic integration of a 50-μm-long-cavity membrane distributed-reflector laser with a spot-size converter, consisting of a tapered InP wire waveguide and an SiO x waveguide, on SiO 2 /Si substrate. The device exhibits 9.4-GHz/mA 0.5 modulation efficiency with a 2.2-dB fiber coupling loss. We demonstrate 25.8-Gbit/s direct modulation with a bias current of 2.5 mA, resulting in a low energy cost of 132 fJ/bit.

Original languageEnglish
Pages (from-to)18346-18352
Number of pages7
JournalOptics Express
Volume24
Issue number16
DOIs
Publication statusPublished - 2016 Aug 8
Externally publishedYes

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reflectors
converters
membranes
waveguides
modulation
lasers
wire
costs
cavities
fibers
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Membrane distributed-reflector laser integrated with SiO x -based spot-size converter on Si substrate . / Nishi, Hidetaka; Fujii, Takuro; Takeda, Koji; Hasebe, Koichi; Kakitsuka, Takaaki; Tsuchizawa, Tai; Yamamoto, Tsuyoshi; Yamada, Koji; Matsuo, Shinji.

In: Optics Express, Vol. 24, No. 16, 08.08.2016, p. 18346-18352.

Research output: Contribution to journalArticle

Nishi, H, Fujii, T, Takeda, K, Hasebe, K, Kakitsuka, T, Tsuchizawa, T, Yamamoto, T, Yamada, K & Matsuo, S 2016, ' Membrane distributed-reflector laser integrated with SiO x -based spot-size converter on Si substrate ', Optics Express, vol. 24, no. 16, pp. 18346-18352. https://doi.org/10.1364/OE.24.018346
Nishi, Hidetaka ; Fujii, Takuro ; Takeda, Koji ; Hasebe, Koichi ; Kakitsuka, Takaaki ; Tsuchizawa, Tai ; Yamamoto, Tsuyoshi ; Yamada, Koji ; Matsuo, Shinji. / Membrane distributed-reflector laser integrated with SiO x -based spot-size converter on Si substrate In: Optics Express. 2016 ; Vol. 24, No. 16. pp. 18346-18352.
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