Details

Autor(en) / Beteiligte

• Kim, Dong Wook
• Kim, Seung Hwan
• Lee, Seoung Hun
• Jong, Heung Sun
• Lee, Jong-Moo
• Lee, El-Hang
• Kim, Kyong Hon

Titel

Enhanced four-wave-mixing effects by large group indices of one-dimensional silicon photonic crystal waveguides

Ist Teil von

• Optics express, 2013-12, Vol.21 (24), p.30019-30029

Ort / Verlag

United States

Erscheinungsjahr

2013

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• Enhanced four-wave-mixing (FWM) effects have been observed with the help of large group-indices near the band edges in one-dimensional (1-D) silicon photonic crystal waveguides (Si PhCWs). A significant increase of the FWM conversion efficiency of about 17 dB was measured near the transmission band edge of the 1-D PhCW through an approximate 3.2 times increase of the group index from 8 to 24 with respect to the central transmission band region despite a large group-velocity dispersion. Numerical analyses based on the coupled-mode equations for the degenerated FWM process describe the experimentally measured results well. Our results indicate that the 1-D PhCWs are good candidates for large group-index enhanced nonlinearity devices even without having any special dispersion engineering.