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Title: Linear photonic radio frequency phase shifter using a differential-group-delay element and an optical phase modulator
Authors: Li, Z
Yu, C
Dong, Y
Cheng, L
Lui, LFK
Lu, C 
Lau, APT 
Tam, HY 
Wai, PKA 
Keywords: Group delay
Phase shift
Phase shifters
Radio waves
Signal filtering and prediction
Issue Date: 1-Jun-2010
Publisher: Optical Society of America
Source: Optics letters, 1 June 2010, v. 35, no. 11, p. 1881-1883 How to cite?
Journal: Optics letters 
Abstract: We demonstrate a stable and linear photonic radio frequency (RF) phase shifter based on a differential-group-delay element and the polarization sensitive effect of an optical phase modulator. The phase shift can be tuned continuously over 360° for RF signals over 40GHz with an electrical control voltage from −7.5 to +7.5V.
ISSN: 0146-9592
DOI: 10.1364/OL.35.001881
Rights: © 2010 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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