Integrated hybrid silicon DFB laser-EAM array using quantum well intermixing
- 30 June 2011
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 19 (14) , 13692-13699
- https://doi.org/10.1364/oe.19.013692
Abstract
We demonstrate multiple bandgap integration on the hybrid silicon platform using quantum well intermixing. A broadband DFB laser array and a DFB-EAM array are realized on a single chip using four bandgaps defined by ion implantation enhanced disordering. The broadband laser array uses two bandgaps with 17 nm blue shift to compensate for gain roll-off while the integrated DFB-EAMs use the as-grown bandgap for optical gain and a 30 nm blue shifted bandgap for modulation. The multi-channel DFB array includes 13 lasers with >90 nm gain-bandwidth. The transponder includes four DFB-EAMs with14 dB DC extinction at 4 V bias.Keywords
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