The characteristic curves of the waveguide loss versus the number of transpositions and crossing angle are drawn out, which conform to the expcted loss characteristics of crossed optical waveguide.

Effect of post treatment on planar optical waveguide of ion-exchanged phosphate glass;

Through optimization of process technology, we obtained high-quality waveguide film layer and fabricated low-loss planar optical waveguide and AWG devices whose propagation loss is less than 0.

The key technology and application of planar optical waveguide are analyzed,and different kinds of planar optical waveguide devices including silicon-based silicon dioxide deposition waveguide,LiNbO3 waveguide incorporating a metal film,polymer waveguide,are presented.

Based on the Cesaro means of Fourier series and the mathematical equivalence between structural parameters of the lattice-form and the birefringent interleavers,a new method for designing planar lightwave circuit(PLC)-type lattice-form interleavers is proposed.

The Y branch is the fundamental structure in the planar lightwave circuit, and the property of its output is analyzed in this paper.

The Y-branch and multimode interferometric (MMI) structure are used in many kinds of planar lightwave circuits, and the symmetrical output of Y-branch or MMI structure takes important role in these apparates.

Study on a new method monitoring chemical and biochemical reaction timely for planar optical waveguides;

The research progress and the facing difficulties of active/passive planar optical waveguides were systematically summarized and reviewed in this paper.

Analyses of guiding properties of light-induced planar waveguides in LiNbO_3:Fe crystals;

Amplified spontaneous emission (ASE) in organic dye DCM doped PMMA and DCM doped PMMA/silica gel hybrid material planar waveguide are investigated.

The PPQ planar waveguide is fabricate and the nonlinear characteristics in PPQ planar waveguide are studied.