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Analysis and optimization of polarization-insensitive semiconductor optical amplifiers with delta-strained quantum wells

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2 Author(s)
Yong-Sang Cho ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Woo-Young Choi

Polarization sensitivity of semiconductor optical amplifiers (SOAs) with delta-strained quantum-well (QW) structures is investigated. The valence band structures and TE, TM optical gain spectra are calculated for the various delta-strained QW structures. It is shown that the number and location of the delta layers affect the polarization dependence of the delta-strained quantum well SOA signal gains. The optimal delta-strained QW structure for the SOA application is identified and its theoretical verification is provided

Published in:

IEEE Journal of Quantum Electronics  (Volume:37 ,  Issue: 4 )