TUTCRIS - Tampereen teknillinen yliopisto

TUTCRIS

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

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Yksityiskohdat

AlkuperäiskieliEnglanti
Otsikko2017 IEEE Energy Conversion Congress and Exposition (ECCE)
KustantajaIEEE
Sivut3103-3110
Sivumäärä8
ISBN (elektroninen)978-1-5090-2998-3
DOI - pysyväislinkit
TilaJulkaistu - 1 lokakuuta 2017
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaIEEE Energy Conversion Congress and Exposition -
Kesto: 1 tammikuuta 1900 → …

Conference

ConferenceIEEE Energy Conversion Congress and Exposition
Ajanjakso1/01/00 → …

Tiivistelmä

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 (

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