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학술지 2.5 Gbps Direct Modulation of Reflective Semiconductor Optical Amplifier for Wavelength Division Multiplexing Passive Optical Network Colourless Sources
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저자
김동철, 최병석, 김현수, 김기수, 윤기홍, 권오균, 오대곤
발행일
200912
출처
Japanese Journal of Applied Physics, v.48 no.12, pp.120209-1-120209-3
ISSN
0021-4922
출판사
Japan Society of Applied Physics (JSAP), Institute of Physics (IOP)
DOI
https://dx.doi.org/10.1143/JJAP.48.120209
협약과제
09MB2500, FTTH 고도화 광부품 기술개발, 오대곤
초록
We present fabrication results of a planar-buried-heterostructure (PBH)-type reflective semiconductor optical amplifier (R-SOA). Active and passive waveguides forming R-SOA were integrated by butt-coupling. The optical gain and 3 dB amplified spontaneous emission (ASE) bandwidth were about 25 dB and 35 nm, respectively. The polarization-dependent gain (PDG) was about 0.8 dB. We could obtain a clearly opened eye diagram under 2.5 Gbps direct modulation. In a bit-error-rate (BER) test, the receiver sensitivity and power penalty after 20km transmission were about -27dBm and 2 dB, respectively. © 2009 The Japan Society of Applied Physics.
KSP 제안 키워드
5 nm, Active and passive, Applied physics, Bit-error-rate(BER), Direct modulation, Eye Diagram, Optical Gain, Polarization-dependent gain(PDG), Reflective Semiconductor Optical Amplifier, Semiconductor optical amplifiers(SOAs), Wavelength Division Multiplexing(WDM)