Three-dimensional refractive index profile of a GRIN optical waveguide using multiple beam interference fringes

2001 ◽  
Vol 191 (1-2) ◽  
pp. 39-47 ◽  
Author(s):  
N. Barakat ◽  
H.A. El-Hennawi ◽  
E.Abd. El-Ghafar ◽  
H. El-Ghandoor ◽  
R. Hassan ◽  
...  
Keyword(s):  
Refractive Index ◽  
Optical Waveguide ◽  
Three Dimensional ◽  
Refractive Index Profile ◽  
Index Profile ◽  
Multiple Beam ◽  
Interference Fringes

Refractive index profile in titanium-diffused congruent lithium tantalate optical waveguide

2018 ◽  
Vol 217 ◽  
pp. 181-184 ◽  
Author(s):  
Xiao-Fei Yang ◽  
Chao-Yang Zhang ◽  
Zi-Bo Zhang ◽  
Wing-Han Wong ◽  
Edwin Yue-Bun Pun ◽  
...  
Keyword(s):  
Refractive Index ◽  
Optical Waveguide ◽  
Lithium Tantalate ◽  
Refractive Index Profile ◽  
Index Profile

Investigation of optical waveguide formed in Er:Yb:phosphate glass by MeV He+ implantation

2001 ◽  
Vol 16 (4) ◽  
pp. 1135-1137 ◽  
Author(s):  
Zhuang Zhuo ◽  
Edwin Yue Bun Pun ◽  
Sun Fat Wong ◽  
Ying Zhou
Keyword(s):  
Refractive Index ◽  
Energy Loss ◽  
Optical Waveguide ◽  
Planar Waveguide ◽  
Refractive Index Profile ◽  
Coupling Method ◽  
Index Profile ◽  
Prism Coupling

Planar waveguide was fabricated in Er:Yb:phosphate glass by a single energy implantation of 2.5 MeV He+ at a dose of 1.6 × 1016 ions/cm2. The waveguide was characterized by prism coupling method, and the refractive index profile was reconstructed using the inverse Wentzel-Kramers-Brillouin method. The photoluminescence was also measured. The energy loss was simulated, and the results were compared and discussed with respect to the refractive index profile in the waveguide.

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