Kramers-Kronig PAM Transceiver and Two-Sided Polarization-Multiplexed Kramers-Kronig Transceiver

被引：29
|
作者：
Antonelli, Cristian [1 ]
Mecozzi, Antonio [1 ]
Shtaif, Mark [2 ]
机构：
[1] Univ Aquila, Dept Phys & Chem Sci, I-67100 Laquila, Italy
[2] Tel Aviv Univ, Dept Phys Elect, IL-69978 Tel Aviv, Israel
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2018年 / 36卷 / 02期
基金：
以色列科学基金会;
关键词：
Heterodyning; modulation; optical fiber communications; phase retrieval; DISPERSION COMPENSATION; TRANSMISSION; MODULATION;
D O I：
10.1109/JLT.2018.2796306
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 two transceiver schemes based on Kramers-Kronig (KK) detection. One targets low-cost high-throughput applications and uses pulse amplitude modulation (PAM) transmission in combination with direct detection and digital reconstruction of the optical phase. This scheme allows digital compensation of chromatic dispersion and provides a significant improvement in terms of spectral efficiency, compared to conventional PAM transmission. The second scheme targets high-channel-count coherent systems with the aim of simplifying the receiver complexity by reducing the optical components count. This scheme is based on the transmission of two single-sideband (SSB) signals that share a transmission laser, each obtained by suppressing either optically or digitally one side of a real-valued signal. At the receiver, the two SSB signals are received separately, after optical deinterleaving, by KK detection, using a single local oscillator laser.
引用
收藏
页码：468 / 475
页数：8
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