Referenced Items are not available for this document.
In this investigation, we first propose and investigate a 40-Gb/s time-division-multiplexed passive optical network (TDM-PON) using four wavelength-multiplexed signals in both downstream and upstream traffic. Here, each downstream signal uses 10-Gb/s on-off keying (OOK) format encoded by a Mach-Zehnder modulator (MZM) in 1.5-??m band. And each upstream channel utilizes the highly spectral efficient 10-Gb/s orthogonal frequency-division-multiplexing quadrature amplitude modulation (OFDM-QAM) generated by directly modulating a 1.3-??m laser. Based on the proposed scheme, 40-Gb/s data traffic in a TDM-PON can be obtained easily by using four wavelength-multiplexed channels. In addition, the performance of the proposed PON architecture has also been discussed.
Published in:
Photonics Technology Letters, IEEE
(Volume:22
,
Issue:
2
)
Date of Publication: Jan.15, 2010
- Page(s):
- 118 - 120
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 11118796
- Digital Object Identifier :
- 10.1109/LPT.2009.2036740
- Product Type:
- Journals & Magazines
- Date of Publication :
- 24 November 2009
- Date of Current Version :
- 08 January 2010
- Issue Date :
- Jan.15, 2010
- Sponsored by :
- IEEE Photonics Society
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