Raman amplification in ultrasmall silicon-on-insulator wire waveguides

Richard L. Espinola, Jerry I. Dadap, Richard M. Osgood, Sharee J. McNab, Yurii A. Vlasov

Research output: Contribution to journalArticlepeer-review


We measure stimulated Raman gain at 1550 nm in an ultrasmall SOI strip waveguide, cross-section of 0.098 μm2. We obtain signal amplification of up to 0.7 dB in the counter-propagating configuration for a sample length of 4.2 mm and using a diode pump at 1435 nm with powers of <30 mW. The Raman amplifier has a figure-of-merit (FOM) of 57.47 dB/cm/W. This work shows the feasibility of ultrasmall SOI waveguides for the development of SOI-based on-chip optical amplifiers and active photonic integrated circuits.

Original languageEnglish (US)
Pages (from-to)3713-3718
Number of pages6
JournalOptics Express
Issue number16
StatePublished - Aug 2004
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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