Design and performance of 10-Gb/s L-band REAM-SOA for OLT Transmitter in next generation access networks
- 28 January 2015
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 23 (3), 2339-2346
- https://doi.org/10.1364/oe.23.002339
Abstract
We present a 10-Gb/s L-band reflective electro-absorption modulator integrated with a semiconductor optical amplifier (REAM-SOA) having improved transmission performance at very low input power of seed light. To decrease the input power of seed light, the absorption characteristics of the REAM are adjusted to reduce the amplified spontaneous emission light returned into the SOA, suppressing the gain saturation effect of the SOA. At a considerably low input power of -16 dBm, the REAM-SOA exhibits a low transmission penalty of about 1.2 dB after 50-km SMF transmission. Over a wide input power range from -16 dBm to 5 dBm, a penalty of less than 1.6 dB is achieved at 50-km transmission.Keywords
Funding Information
- ICT R&D program of MSIP
- Republic of Korea (10039164)
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