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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 18 — Aug. 29, 2011
  • pp: 17669–17676

40-Gb/s directly-modulated photonic crystal lasers under optical injection-locking

Chin-Hui Chen, Koji Takeda, Akihiko Shinya, Kengo Nozaki, Tomonari Sato, Yoshihiro Kawaguchi, Masaya Notomi, and Shinji Matsuo  »View Author Affiliations

Optics Express, Vol. 19, Issue 18, pp. 17669-17676 (2011)

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CMOS integrated circuits (IC) usually requires high data bandwidth for off-chip input/output (I/O) data transport with sufficiently low power consumption in order to overcome pin-count limitation. In order to meet future requirements of photonic network interconnect, we propose an optical output device based on an optical injection-locked photonic crystal (PhC) laser to realize low-power and high-speed off-chip interconnects. This device enables ultralow-power operation and is suitable for highly integrated photonic circuits because of its strong light-matter interaction in the PhC nanocavity and ultra-compact size. High-speed operation is achieved by using the optical injection-locking (OIL) technique, which has been shown as an effective means to enhance modulation bandwidth beyond the relaxation resonance frequency limit. In this paper, we report experimental results of the OIL-PhC laser under various injection conditions and also demonstrate 40-Gb/s large-signal direct modulation with an ultralow energy consumption of 6.6 fJ/bit.

© 2011 OSA

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(200.4650) Optics in computing : Optical interconnects
(230.5298) Optical devices : Photonic crystals

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 26, 2011
Revised Manuscript: August 20, 2011
Manuscript Accepted: August 21, 2011
Published: August 23, 2011

Chin-Hui Chen, Koji Takeda, Akihiko Shinya, Kengo Nozaki, Tomonari Sato, Yoshihiro Kawaguchi, Masaya Notomi, and Shinji Matsuo, "40-Gb/s directly-modulated photonic crystal lasers under optical injection-locking," Opt. Express 19, 17669-17676 (2011)

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