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Design of waveguide structures for polarization-insensitive optical amplification

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2 Author(s)
Wa Peng Wong ; Optoelectron. Res. Centre, City Univ. of Hong Kong, China ; Kin Seng Chiang

By analyzing several types of waveguide structures, we demonstrate that a polarization-insensitive semiconductor optical amplifier can be designed by using an anisotropic gain medium or a properly shaped active region. In particular, we calculate the waveguide parameters required for achieving polarization-insensitive optical amplification and discuss their tolerances. Our results show that considerable flexibility in the design of polarization-insensitive amplifiers can be offered by tailoring the waveguide structures of the amplifiers.

Published in:

IEEE Journal of Quantum Electronics  (Volume:36 ,  Issue: 11 )