The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Gigabit Ethemet Upstream Transmission over WDM-PON Employing Remotely Wavelength-Locked Fabry-Perot Lasers

WDM-PON에서 원격으로 파장 고정된 Fabry-Perot 레이저를 사용한 Gigabit Ethernet 상향 신호 전송

  • Kim Hyun Deok (School of Electrical Engineering and Computer Science, Kyungpook National University)
  • 김현덕 (경북대학교 전자전기컴퓨터학부)
  • Published : 2004.12.01
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Abstract

A Gigabit Ethernet upstream transmission over a WDM-PON employing remotely wavelength-locked Fabry-Perot lasers has been demonstrated. We have successfully demonstrated a WDM transmission of four Gigabit Ethernet channels with 100 GHz channel spacing over 30 km conventional single mode fiber. The measured f-factor was larger than 17.1 dB. We have also investigated the beating noise characteristics of a wavelength-locked Fabry-Perot laser and showed the remotely wavelength-locked Fabry-Perot laser suppresses the intensity noise of the incoherent light injected, which cause a 6.3 dB SNR improvement compared with that of the conventional spectrum-sliced light source.

중앙기지국에서 주입된 비간섭성 광에 파장 고정된 Fabry-Perot 레 이 저를 사용하여 Gigabit Ethernet 상향 신호 전송 가능성을 검증하였다. WDM-PON에서 원격으로 파장 고정된 Fabry-Perot 레이저를 이용하여 100 GHz 채널 간격의 파장분할 다중화된 4채널의 Gigabit Ethemet 신호를 30 km 광섬유를 통해 성공적으로 전송하였으며, 수신된 신호의 Q값은 17.1 dB 이상이었다. 또, 원격으로 파장 고정된 Fabry-Perot 레이저의 잡음 특성을 분석하였으며, 파장 고정된 Fabry-Perot 레이저가 비간섭 광의 강도 잡음을 억제하므로 기존의 스펙트럼 분할방식 광송신기보다 약 6.3 dB의 SNR 개선이 가능함을 보였다.

Keywords

References

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