Wavelength Conversion and Supercontinuum Generation in Silicon Optical Fibers

Supercontinuum generation in microstructured fibers and novel optical measurement techniques

Dynamics of Raman soliton during supercontinuum generation near the zero-dispersion wavelength of optical fibers.

We observe unique dynamics of Raman soliton during supercontinuum process when an input pulse experiences initially normal group-velocity dispersion with a negative dispersion slope. In this situation, the blue components of the spectrum form a Raman soliton that moves faster than the input pulse and eventually decelerates because of Raman-induced frequency downshifting. In the time domain, the...

Characteristics of supercontinuum generation in birefringent optical fibers

Introduction Supercontinuum (SC) has attracted considerable attentions due to its versatility in many fields such as telecommunication [1], optical metrology [2] and medical science. The SC phenomenon originates from the third-order nonlinearity of the media. In nonlinear optical fibers, both chromatic dispersion and nonlinear effects determine the SC generation characteristics. Different dispe...

Wavelength Conversion in Silicon

This paper reviews recent results on wavelength conversion in Silicon. The conversion in the 1300 to 1550 range is achieved through parametric Raman coupling between the pump, Stokes and anti-Stokes waves. High signal-to-noise ratio is measured despite a limited conversion efficiency. Achieving high conversion efficiency requires phase matching in the waveguides as well as means to reduce waveg...

Ultrabroadband parametric generation and wavelength conversion in silicon waveguides.

We show that ultrabroadband parametric generation and wavelength conversion can be realized in silicon waveguides in the wavelength region near 1550 nm by tailoring their zero-dispersion wavelength and launching pump wave close to this wavelength. We quantify the impact of two-photon absorption, free-carrier generation, and linear losses on the process of parametric generation and show that it ...