Time Lens with Improved Aperture to Resolution Ratio Based on a Phase Modulator

A time lens with improved aperture to resolution ratio is proposed, which is composed of a series of splitted quadrature phase, realized by using a phase modulator with low half-wave voltage and a splitted parabolic driving signal. By splitting the standard parabolic driving signal into 2N pieces wi...

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Bibliographic Details
Published in2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring) pp. 4311 - 4314
Main Authors Zhang, Bowen, Zhu, Dan, Zhang, Yamei, Pan, Shilong
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2019
Subjects
Apertures
Intensity modulation
Lenses
Phase modulation
RF signals
Signal resolution
Springs
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Summary:A time lens with improved aperture to resolution ratio is proposed, which is composed of a series of splitted quadrature phase, realized by using a phase modulator with low half-wave voltage and a splitted parabolic driving signal. By splitting the standard parabolic driving signal into 2N pieces within the same time aperture, the temporal resolution of the time lens is reduced to N times. Thus the aperture to resolution ratio of the time lens is enlarged to N times. Experimental demonstration is carried out and a time lens with 9-times larger aperture to resolution ratio is realized.
ISSN:2694-5053
DOI:10.1109/PIERS-Spring46901.2019.9017608