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Improved delayed signal cancellation-based SRF-PLL for unbalanced grid

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


Original languageEnglish
Title of host publication2017 IEEE Energy Conversion Congress and Exposition (ECCE)
Number of pages8
ISBN (Electronic)978-1-5090-2998-3
Publication statusPublished - 1 Oct 2017
Publication typeA4 Article in a conference publication
EventIEEE Energy Conversion Congress and Exposition -
Duration: 1 Jan 1900 → …


ConferenceIEEE Energy Conversion Congress and Exposition
Period1/01/00 → …


Summary form only given. Strong light-matter coupling has been recently successfully explored in the GHz and THz [1] range with on-chip platforms. New and intriguing quantum optical phenomena have been predicted in the ultrastrong coupling regime [2], when the coupling strength Ω becomes comparable to the unperturbed frequency of the system ω. We recently proposed a new experimental platform where we couple the inter-Landau level transition of an high-mobility 2DEG to the highly subwavelength photonic mode of an LC meta-atom [3] showing very large Ω/ωc = 0.87. Our system benefits from the collective enhancement of the light-matter coupling which comes from the scaling of the coupling Ω ∝ √n, were n is the number of optically active electrons. In our previous experiments [3] and in literature [4] this number varies from 104-103 electrons per meta-atom. We now engineer a new cavity, resonant at 290 GHz, with an extremely reduced effective mode surface Seff = 4 × 10-14 m2 (FE simulations, CST), yielding large field enhancements above 1500 and allowing to enter the few (


  • Delays, Frequency estimation, Harmonic analysis, Oscillators, Phase locked loops, Power system harmonics, Synchronization

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