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학술지 Design and Performance of 10-Gb/s L-Band REAM-SOA for OLT Transmitter in Next Generation Access Networks
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저자
이동훈, 정종술, 김기수, 김현수, 김동철, 박미란, 한영탁, 권오기, 권오균
발행일
201502
출처
Optics Express, v.23 no.3, pp.2339-2346
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.23.002339
협약과제
14MB1500, 액세스 네트워크용 광집적기반 OLT 서브모듈 플랫폼 개발, 권오균
초록
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.
KSP 제안 키워드
Absorption characteristic, Emission light, Gain saturation effect, L-band, Low input power, Power range, Semiconductor optical amplifiers(SOAs), amplified spontaneous emission, electroabsorption modulator(EAM), next generation access networks, transmission performance