Chin. Phys. Lett.  2001, Vol. 18 Issue (2): 242-244    DOI:
Original Articles |
Optical Waveguide Formation in LiNbO3 by the 2.6 MeV Nickel Ions Implantation
HU Hui1;CHEN Feng1;LU Fei1;ZHANG Jian-Hua1;LIU Ji-Tian1;WANG Ke-Ming1;SHI Bo-Rong1,2;SHEN Ding-Yu3;WANG Xue-Mei3
1Department of Physics, Shandong University, Ji’nan 250100 2Department of Physics, University of Osnabrueck, D-49069, Osnabrueck, Germany 3MOE Key Laboratory of Heavy Ion Physics, Peking University, Beijing 100871
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HU Hui, CHEN Feng, LU Fei et al  2001 Chin. Phys. Lett. 18 242-244
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Abstract The optical waveguide was formed on an LiNbO3 substrate by 2.6 MeV nickel ions implantation to the dose of 9 x 1014 ions/cm2. Five dark modes were observed by the prism coupling technique. The refractive index profile was obtained by using the reflectivity calculation method. A large index decrease was found in the guiding region and in the optical barrier, which is somewhat different from that of the LiNbO3 waveguide formed by the MeV He+ ions. The position of the optical barrier is deeper than that of the damage peak calculated by TRIM'90 (Transport of Ions in Matter) code. The crystal lattice damage in the guiding region caused by the Ni+ ion implantation was analysed by the Rutherford backscattering/channelling technique.
Keywords: 42.79.Gn      42.82.Et     
Published: 01 February 2001
PACS:  42.79.Gn (Optical waveguides and couplers)  
  42.82.Et (Waveguides, couplers, and arrays)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2001/V18/I2/0242
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HU Hui
CHEN Feng
LU Fei
ZHANG Jian-Hua
LIU Ji-Tian
WANG Ke-Ming
SHI Bo-Rong
SHEN Ding-Yu
WANG Xue-Mei
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