Enhancing the Kramers-Kronig receiver via dispersion-based spatial diversity

被引：6
|
作者：
Blech, Lior [1 ]
Antonelli, Cristian [2 ]
Mecozzi, Antonio [2 ]
Eldar, Yonina C. [3 ]
Shtaif, Mark [1 ]
机构：
[1] Tel Aviv Univ, Sch Elect Engn, IL-69978 Tel Aviv, Israel
[2] Univ Aquila, Dept Phys & Chem Sci, I-67100 Laquila, Italy
[3] Weizman Inst Sci, Dept Math & Comp Sci, Rehovot, Israel
来源：
OPTICS LETTERS | 2020年 / 45卷 / 13期
基金：
以色列科学基金会;
关键词：
PHASE RETRIEVAL; TRANSMISSION;
D O I：
10.1364/OL.393514
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a scheme for reconstructing the complex envelope of an optical signal from two decorrelated measurements of its intensity. The decorrelation is achieved by splitting the received optical signal into two copies, and by dispersing one of the copies prior to photo detection. The reconstructed complex-valued signal is obtained by means of an iterative algorithm that requires only a few tens of iterations. The starting point of the search procedure is produced by Kramers-Kronig (KK) reconstruction. With this procedure, the continuous-wave tone that accompanies the received signal is reduced by 5 dB to 6 dB compared to the requirement of a KK receiver alone. (C) 2020 Optical Society of America
引用
收藏
页码：3494 / 3497
页数：4
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