Design, Fabrication and Characterization of a Microwave Resonator ...

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5 MeasurementsFigure 5.5: Transmission S 21 and reflection S 22 and S 11 of R25 on Silicon at 4 K.Figure 5.6: Transmission S 21 of R25 on Silicon at 4 K with a fundamental resonance at6.15 GHz and marked harmonics at 12.3 GHz and 18.4 GHz.44
5.2 Measurements – Design 1The advantage of using a vector analyzer (and not a scalar one) is the ability not only tomeasure the amplitude of a signal, but the whole complex signal including phase information.As described in section 2.3 one should observe a phase shift of 180 ◦ (from +90 ◦ to-90 ◦ ) when sweeping the frequency through the resonance. In Figure 5.7 the phase shift atthe resonance frequency is shown.As one can see from the lower graph, the maximum of the amplitude is above 0 dBbecause the superconducting resonator has less attenuation than the normal conducting 50 Ωadapter used for calibration.Figure 5.7: Transmission S 21 of R25 on Silicon at 4 K: Phase shift (a) and magnitude (b) atresonance. The data was recorded with calibration including the cables insidethe cryostat.In Figure 5.8 the transmission of R25 is depicted for different input powers. Starting ataround -23 dBm the resonance peak becomes distorted with increasing output power of theNVA. This effect was reported by Frunzio [6].45
Page 4 and 5: Contents5.2.3 R27 on Silicon . . .
Page 6 and 7: 1 Motivation and Outlinethe antinod
Page 8 and 9: 2 Theoretical Description of a CPW
Page 14: 2 Theoretical Description of a CPW
Page 19 and 20: 2.2 Including Superconductivity in
Page 21 and 22: 2.2 Including Superconductivity in
Page 23 and 24: 2.3 Microwave Resonators2.3.2 Quali
Page 25 and 26: 2.3 Microwave ResonatorsFigure 2.11
Page 27 and 28: 2.3 Microwave ResonatorsFigure 2.13
Page 29 and 30: 2.4 The Scattering MatrixThe first
Page 31 and 32: 3 Designs Procedure for the Resonat
Page 33 and 34: 3.3 ConnectorsFigure 3.1: Coupling
Page 35 and 36: 4 Fabrication and Measurement Setup
Page 37 and 38: 4.2 Measurement SetupDevelop Resist
Page 39 and 40: 4.2 Measurement SetupFigure 4.3: Me
Page 41 and 42: 4.3 Calibration4.3 CalibrationIn or
Page 43 and 44: 5 MeasurementsThe first part of thi
Page 45 and 46: 5.1 First Experimentsname design W
Page 47: 5.2 Measurements - Design 1Figure 5
Page 51 and 52: 5.2 Measurements - Design 15.2.2 R2
Page 53 and 54: 5.2 Measurements - Design 1Figure 5
Page 55 and 56: 5.3 Measurements - Yale DesignFigur
Page 57 and 58: 5.3 Measurements - Yale DesignFigur
Page 59 and 60: 5.4 Measurement - Design 2: R36 on
Page 61 and 62: 5.5 Discussion of the Experimental
Page 63 and 64: 5.5 Discussion of the Experimental
Page 65 and 66: 6 SimulationsThis chapter gives a b
Page 67 and 68: 6.1 Simulations in SonnetFigure 6.4
Page 69 and 70: 6.1 Simulations in SonnetFigure 6.5
Page 71 and 72: 6.2 Simulations Done at the Institu
Page 73 and 74: 7 Conclusion and OutlookThree centr
Page 75 and 76: A Specimen OverviewDesigns for Rose
Page 77 and 78: B Masks73
Page 79 and 80: B.2 Mask for Probing StationB.2 Mas
Page 81 and 82: Bibliography[1] INFORMATIK: Quanten
Page 83 and 84: List of Figures2.1 Different realiz
Page 85 and 86: List of Figures6.6 Forward and back
Page 87 and 88: List of Tables2.1 Values where (2.1
Page 89: DanksagungVor allem möchte ich mic

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