A new and efficient technique for fabrication of bandwidth controllable π–phase-shifted fiber
Bragg grating (FBG) based on moiré grating using a uniform phase mask is demonstrated …

A novel method to realize the adjustable phase-shifted fiber Bragg grating (FBG) is
proposed in this paper. By adjusting the air gap between two identical FBG, the phase shift …

We propose and experimentally demonstrate a novel fiber-optic edge filter based on
modulating the chirp rate of a π-phase-shifted fiber Bragg grating (FBG) operating in …

A special periodic π-phase-shifted (π-PS) fiber Bragg grating (FBG) is proposed to achieve
multichannel reflections. The Fourier analysis and the simulations based on the transfer …

The chirped moiré fiber grating (CMFG) is numerically analyzed by taking in count of the
factors of the initial exposure phase, the refractive index modulation strength and the grating …

Controllable passband and stopband optical filters based on tilted moiré fiber Bragg gratings
(FBGs) are presented. The gratings are formed by combining two FBGs of equal period, with …

Using grating phase vector and the phase matching condition, universal formation for fiber
Bragg grating was constructed, which can be directly applied for the analysis of long-period …

A phase-shifted fiber Bragg grating (PS-FBG) based on a microchannel was proposed and
realized by combining the point-by-point scanning method with chemical etching. The PS …

A method of fabricating dual-wavelength fiber Bragg grating with a uniform phase mask is
demonstrated. Theoretical analysis and numerical simulation using Matrix method are given …

An efficient scheme to change the chirp rate of a fiber Bragg grating (FBG) has been
developed based on a specially-designed cantilever beam with the beam-bending method …