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Low input power wavelength converter using gain-clamped semiconductor optical amplifier

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4 Author(s)
Joon Tae Ahn ; Basic Res. Lab., Electron. & Telecommun. Res. Inst., Daejeon, South Korea ; Jong Moo Lee ; Hong-Seok Seo ; Kyong Hon Kim

A wavelength converter based on direct optical modulation of lasing light in a gain-clamped semiconductor optical amplifier (GC-SOA) is proposed. A low input power of - 13.5 dBm, which is the lowest reported to the best of our knowledge, due to good coupling of input data power into the GC-SOA and high lasing threshold, and negative power penalty operation, are experimentally demonstrated at 2.5 Gbit/s

Published in:

Electronics Letters  (Volume:38 ,  Issue: 18 )