Recirculating Frequency Shifter-Based Hybrid Electro-Optic Probing System with Ultra-Wide Bandwidth

Benoît J. GOUHIER; Ka-Lun LEE; Ampalavanapillai NIRMALATHAS; Christina LIM; Efstratios SKAFIDAS

doi:10.1587/transele.E98.C.857

Special Section on Microwave Photonics

Recirculating Frequency Shifter-Based Hybrid Electro-Optic Probing System with Ultra-Wide Bandwidth

Benoît J. GOUHIER, Ka-Lun LEE, Ampalavanapillai NIRMALATHAS, Christina LIM, Efstratios SKAFIDAS

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Keywords: electro-optic, terahertz, THz, microwave photonics, recirculating frequency shifter

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2015 Volume E98.C Issue 8 Pages 857-865

DOI https://doi.org/10.1587/transele.E98.C.857

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Abstract

In this paper, we present a new electro-optic (EO) probing system based on heterodyne detection. The use of a recirculating frequency shifter allows to expand the bandwidth of the system far beyond what is attainable with a conventional heterodyne EO set-up. The performance for the frequencies up to 50GHz is analysed to forecast the viability of the system up to the THz range.

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