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Conference Paper
Investigation of ONU Power Leveling Method for Mitigating Inter-Channel Crosstalk in TWDM-PONs
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- Authors
- Han Hyub Lee, Jong Hyun Lee, Sang Soo Lee, Hark Yoo, Hee Yeal Rhy, YoonKoo Kwon
- Issue Date
- 2014-08
- Citation
- International Conference on Optical Internet (COIN) 2014, pp.1-2
- Language
- English
- Type
- Conference Paper
- Abstract
- We investigate ONU power leveling methods for mitigating Inter-channel crosstalk of upstream signals in TWDM-PON. 6-dB power dynamic range was archived with maximum 1.4-dB power penalty by adjusting operation current of Tx. The proposed method is thought to be a simple, low-cost solution in comparison with that with a VOA or SOA. Further study is needed for trade-off between crosstalk and eye distortion penalty and how to specify.
- KSP Keywords
- Channel crosstalk, Low-cost, Power leveling, TWDM-PON, Trade-off, dynamic range, power penalty