Tunable Space Between Dual- Wavelength by Equivalent DC Phase Shift in a Fiber Bragg Grating

摘要

A novel method to get a tunable space between dualwavelength reached by equivalent DC shift in a uniform fiber bragg grating is first proposed.FinaIly,0.24nm space can be get through this method ,that means it can generate high frequency as high as 30G.Owing to DC phase shift, the space between dual-waveiength can be tunable more accuracy than ever.