Ultra-compact wavelength-tunable quantum-dot laser with silicon-photonics double ring filter

Tomohiro Kita, Naokatsu Yamamoto, Tetsuya Kawanishi, Hirohito Yamada

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Compact, wavelength-tunable light sources are desired for the enhancement of information communication technology and bio-imaging applications. We propose a compact, wavelength-tunable laser diode with a wide wavelength-tunable range around 1230nm consisting of a quantum-dot optical amplifier and a silicon photonic tunable filter. High-quality InAs quantum dots grown with the sandwiched sub-nano separator technique were used as the optical gain medium. The wavelength-tunable filter was constructed with ring resonators fabricated using silicon photonics. The single-mode laser oscillation was demonstrated with a 28.5-nm wavelength-tunable range.

Original languageEnglish
Article number062701
JournalApplied Physics Express
Volume8
Issue number6
DOIs
Publication statusPublished - 2015 Jun 1
Externally publishedYes

Fingerprint

Quantum dot lasers
Photonics
quantum dots
photonics
filters
Silicon
Wavelength
rings
silicon
wavelengths
tunable filters
lasers
Semiconductor quantum dots
Optical gain
Laser tuning
Light amplifiers
laser modes
separators
Laser modes
tunable lasers

ASJC Scopus subject areas

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

Cite this

Ultra-compact wavelength-tunable quantum-dot laser with silicon-photonics double ring filter. / Kita, Tomohiro; Yamamoto, Naokatsu; Kawanishi, Tetsuya; Yamada, Hirohito.

In: Applied Physics Express, Vol. 8, No. 6, 062701, 01.06.2015.

Research output: Contribution to journalArticle

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