Hybrid silicon lasers for optical interconnects

Details Hybrid silicon lasers for optical interconnects Hybrid silicon lasers for optical interconnects

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009njph...11l5016d&link_type=abstract

New Journal of Physics, Volume 11, Issue 12, pp. 125016 (2009).

Physics

1

Scientific paper

We propose high-speed modulation of hybrid silicon lasers through modulation of the photon lifetime τp. Two structures are presented to achieve τp-modulation by modifying the distributed loss or the feedback coefficient of the laser cavity. By using small-signal modeling and the finite-difference method, the responses in the frequency and time domains are given. It is shown that it is possible to achieve a 3 dB bandwidth of over 100 GHz and a high data transmission rate of more than 50 GHz. The theoretical analysis also shows that the chirp due to the variations of the carrier densities in the gain/modulation sections is very small.

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