WDM-OFDMA-PON UPLINK OPTICAL TRANSMISSION USING BANDWIDTH ENHANCED INJECTION-LOCKED FP-LD

被引：1
|
作者：
Yang, Seung-Min [1 ]
Kim, Chang-Hun [1 ]
Jung, Sang-Min [1 ]
Han, Sang-Kook [1 ]
机构：
[1] Yonsei Univ, Dept Elect & Engn, Seoul 120749, South Korea
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2015年 / 57卷 / 07期
关键词：
component; WDM; orthogonal frequency division multiple access-passive optical network; injection-locked Fabry-Perot laser diode; discrete multitone; MODULATION BANDWIDTH; LASERS; NOISE;
D O I：
10.1002/mop.29141
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a scalable support WDM-based orthogonal frequency division multiple access-passive optical network uplink transmission system using an injection-locked Fabry-Perot laser diode (IL-FP-LD). This system uses an injection-locking technique to enhance the usable bandwidth by making stable channel states. By properly controlling the IL-FP-LD operation, the number of optical network units (ONU) within a wavelength can be increased, which improves the optical bandwidth efficiency for the uplink transmission. The experimental results show an enhanced modulation bandwidth of 3.5 GHz. Compared with a conventional RSOA which has a modulation bandwidth of 1.5 GHz, our scheme improves the number of ONUs that can be accommodated within a wavelength more than two times. The total discrete multitone signal received from the ONUs, with QPSK mapping on the subcarriers was 6.77 Gbps over a 23-km standard single mode fiber transmission. (c) 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1727-1732, 2015
引用
收藏
页码：1727 / 1732
页数：6
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