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학술대회 Enhanced Linearity of Multiple Quantum-Well Electroabsorption Modulator
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저자
윤영설, 최영완, 강영식, 정용덕, 김제하
발행일
200510
출처
International Topical Meeting on Microwave Photonics (MWP) 2005, pp.165-168
협약과제
05MB1400, 60GHz Pico Cell 통신용 SoP(60GHz 광대역 무선 LAN 기술 개발), 조경익
초록
In this paper, we experimentally and theoretically identify decrease of 3rd-order intermodulated signal at a high input RF power in a traveling-wave electroabsorption modulator (TW-EAM) by using the effect of abnormal notches those do not appear at the IMD3 results from the general transfer function of the device. This effect is known to be sensitive to the applied wavelength, the input RF power, and the bias. In spite of the sensitiveness, this effect can efficiently be used for analog application in RF-optic communication systems with an RF automatic power control.
키워드
Analog application, Electroabsorption modulator, Nonlinearity, Traveling-wave
KSP 제안 키워드
Automatic power control, Communication system, Multiple-quantum-well(MQW), Optic communication, Power control(PC), Quantum Well(QW), RF Power, Traveling-wave electroabsorption modulator(TWEAM), analog application, electroabsorption modulator(EAM), transfer function(DTF)