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Proceedings Paper

Heterogeneously integrated III-V/Si single mode lasers based on a MMI-ring configuration and triplet-ring reflectors
Author(s): S. Keyvaninia; S. Verstuyft; F. Lelarge; G.-H. Duan; S. Messaoudene; J. M. Fédéli; E. J. Geluk; T. De Vries; B. Smalbrugge; J. Bolk; M. Smit; D. Van Thourhout; G. Roelkens
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Paper Abstract

In this paper we show that using a DVS-BCB adhesive bonding process compact heterogeneously integrated III-V/silicon single mode lasers can be realized. Two new designs were implemented: in a first design a multimode interferometer coupler (MMI) – ring resonator combination is used to provide a comb-like reflection spectrum, while in a second design a triplet-ring reflector design is used to obtain the same. A broadband silicon Bragg grating reflector is implemented on the other side of the cavity. The III-V optical amplifier is heterogeneously integrated on the 400nm thick silicon waveguide layer, which is compatible with high-performance modulator designs and allows for efficient coupling to a standard 220nm high index contrast silicon waveguide layer. In order to make the optical coupling efficient, both the III-V waveguide and the silicon waveguide are tapered, with a tip width of the III-V waveguide of around 500nm. The III-V thin film optical amplifier is implemented as a 3μm wide mesa etched through to the n-type InP contact layer. In this particular device implementation the amplifier section was 500μm long. mW-level waveguide coupled output power at 20°C and a side mode suppression ratio of more than 40dB is obtained.

Paper Details

Date Published: 29 May 2013
PDF: 5 pages
Proc. SPIE 8767, Integrated Photonics: Materials, Devices, and Applications II, 87670N (29 May 2013); doi: 10.1117/12.2017327
Show Author Affiliations
S. Keyvaninia, Univ. Ghent (Belgium)
S. Verstuyft, Univ. Ghent (Belgium)
F. Lelarge, III-V Lab. (France)
G.-H. Duan, III-V Lab. (France)
S. Messaoudene, CEA-Leti (France)
J. M. Fédéli, CEA-Leti (France)
E. J. Geluk, Technische Univ. Eindhoven (Netherlands)
T. De Vries, Technische Univ. Eindhoven (Netherlands)
B. Smalbrugge, Technische Univ. Eindhoven (Netherlands)
J. Bolk, Technische Univ. Eindhoven (Netherlands)
M. Smit, Technische Univ. Eindhoven (Netherlands)
D. Van Thourhout, Univ. Ghent (Belgium)
G. Roelkens, Univ. Ghent (Belgium)
Technische Univ. Eindhoven (Netherlands)


Published in SPIE Proceedings Vol. 8767:
Integrated Photonics: Materials, Devices, and Applications II
Jean-Marc Fédéli; Laurent Vivien; Meint K. Smit, Editor(s)

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