Integrated frequency comb source based Hilbert transformer for wideband microwave photonic phase analysis

被引：72
|
作者：
Nguyen, Thach G. [1 ]
Shoeiby, Mehrdad [1 ]
Chu, Sai T. [2 ]
Little, Brent E. [3 ]
Morandotti, Roberto [4 ]
Mitchell, Arnan [1 ,5 ]
Moss, David J. [1 ]
机构：
[1] RMIT Univ, Sch Elect & Comp Engn, Melbourne, Vic 3001, Australia
[2] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
[3] Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian, Peoples R China
[4] INSR Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada
[5] ARC Ctr Excellence Ultrahigh Bandwidth Devices Op, Sydney, NSW, Australia
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 17期
关键词：
IN-PHASE; COMPENSATION;
D O I：
10.1364/OE.23.022087
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a photonic RF Hilbert transformer for broadband microwave in-phase and quadrature-phase generation based on an integrated frequency optical comb, generated using a nonlinear microring resonator based on a CMOS compatible, high-index contrast, doped-silica glass platform. The high quality and large frequency spacing of the comb enables filters with up to 20 taps, allowing us to demonstrate a quadrature filter with more than a 5-octave (3 dB) bandwidth and an almost uniform phase response. (C) 2015 Optical Society of America
引用
收藏
页码：22087 / 22097
页数：11
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