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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 23 — Nov. 18, 2013
  • pp: 28685–28692

1.55-μm VCSEL with polarization-independent HCG mirror on SOI

Yoshihiro Tsunemi, Nobuhide Yokota, Shota Majima, Kazuhiro Ikeda, Takeo Katayama, and Hitoshi Kawaguchi  »View Author Affiliations

Optics Express, Vol. 21, Issue 23, pp. 28685-28692 (2013)

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We designed and fabricated a vertical-cavity surface-emitting laser (VCSEL) incorporating a polarization-independent high-index-contrast subwavelength grating (HCG) mirror on silicon-on-insulator (SOI) for a novel polarization-bistable device on a silicon substrate. The VCSEL consists of the HCG mirror, an active layer with InGaAsP quantum wells having optical gain around 1.55 μm, and an Al0.9Ga0.1As/Al0.16Ga0.84As DBR. We used direct wafer bonding for the bonding between the active layer and the AlGaAs DBR, and benzocyclobutene (BCB) bonding for the bonding between the active layer and the polarization-independent HCG mirror. The reflectivity of the HCG embedded with BCB was measured, resulting in a 200-nm-high reflectivity band with reflectivity higher than 99% and a small polarization dependence of ± 1%. We achieved lasing of the fabricated HCG-VCSEL at 1527 nm under an optical short pulse excitation with an average power of 50 mW (~0.2 mJ/cm2) at 240 K.

© 2013 Optical Society of America

OCIS Codes
(130.5990) Integrated optics : Semiconductors
(230.3120) Optical devices : Integrated optics devices
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:

Original Manuscript: September 20, 2013
Revised Manuscript: November 3, 2013
Manuscript Accepted: November 6, 2013
Published: November 14, 2013

Yoshihiro Tsunemi, Nobuhide Yokota, Shota Majima, Kazuhiro Ikeda, Takeo Katayama, and Hitoshi Kawaguchi, "1.55-μm VCSEL with polarization-independent HCG mirror on SOI," Opt. Express 21, 28685-28692 (2013)

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