Zero-biased YBCO detectors for the real-time observation of coherent synchrotron radiation

Transcription

1 Zero-biased YBCO detectors for the real-time observation of KSETA Plenary Workshop, February 217, Durbach J. Raasch Institut für Mikro- und Nanoelektronische Systeme (IMS) KIT University of the State of Baden-Württemberg and National Research Center of the Helmholtz Association

2 Collaboration A. Schmid, A. Kuzmin, K. Ilin, M. Arndt, S. Wünsch, M. Siegel Institute of Micro- and Nanoelectronic Systems, Karlsruhe Institute of Technology (KIT) J. Steinmann, M. Brosi, E. Hertle, A.-S. Müller, N. Smale, Y.-L. Mathis Laboratory for Applications of Synchrotron Radiation, KIT ANKA Synchrotron Radiation Source, KIT E. Roussel, C. Szwaj, S. Bielawski PhLAM Laboratory, University of Lille 1 T. Konomi, S. Kimura, M. Katoh, M. Hosaka, N. Yamamoto, H. Zen UVSOR Facility, Institute for Molecular Science Synchrotron Radiation Research Center, Nagoya University Institute of Advanced Energy, Kyoto University G. Cinque, M. Frogley Diamond Light Source, Harwell Science and Innovation Campus, Didcot J. Haenisch, B. Holzapfel Institute for Technical Physics, KIT 2 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

3 Outline Coherent Synchrotron Radiation & THz detectors YBa 2 Cu 3 O 7-x detection system Direct detection of Coherent Synchrotron Radiation Single-shot THz spectroscopy Conclusions 3 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

4 Coherent Synchrotron Radiation & THz detectors Pulsed THz radiation from synchrotrons Electron bunch length >> λ I ~ N e Electron bunch length λ I ~ N e 2 1 ps.1 ps Coherent Synchrotron Radiation (CSR) A.-S. Müller, Rev. of Acc. Sc. Tech. 3 (21) 4 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

5 Coherent Synchrotron Radiation & THz detectors Bursting CSR in low-alpha mode Low-alpha mode: 8 Detector response (mv) Time (ms) Turn-by-turn analysis of pulse shape 5 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

6 Coherent Synchrotron Radiation & THz detectors Detector requirements I ~ N e 2 1 ps.1 ps Pulse widths down to 1 ps Repetition rate up to 1 GHz Variation of THz intensity Ultra-fast response A.-S. Müller, Rev. of Acc. Sc. Tech., 3 (21) Frequency range: - 2 THz Large dynamic range High sensitivity à sub-µm detector Broadband THz antenna or antenna array 6 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

7 Coherent Synchrotron Radiation & THz detectors Direct THz detectors for CSR Helium-cooled Si, Ge or InSb bolometers: Response time: µs ms Superconducting NbN HEB: Response time: ~ 1 ps Schottky diodes Response time: ~ 2 ps A. D. Semenov et al., Proc. of IRMMW-THz, (29) Limited in dynamic range, frequency dependent A. D. Semenov et al., Proc. of IPAC, THPME97 (214) 7 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

8 Coherent Synchrotron Radiation & THz detectors Instrinsic response times in YBa 2 Cu 3 O 7-x (YBCO) High T c Above gap excitations Resistance (Ω) Superconducting energy gap 2Δ 2Δ() 2 mev 23. nm T c = 87.2 K Temperature (K) G. Deutscher, Rev. of Mod. Phys. 77(1), 19(27) (25) A.D. Semenov, G.N. Gol tsman, R. Sobolewski, Supercond. Sci. Technol. 15, R1 (22) P. Probst et al., Phys. Rev. B 85, (212) /17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme Detector response (mv) Time (ns)

9 Coherent Synchrotron Radiation & THz detectors YBCO: Electrical-field sensitive THz detector 2Δ() 2 mev 1 THz 4.1 mev I 1234 = Detector signal (mv) I b = ma T b = 82 K Time (ps) 9 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

10 YBa 2 Cu 3 O 7-x detection system Approaches to the resolution of the bunch shape Concept 1: Direct singleshot detection with broadband planar antenna Concept 2: Single-shot THz spectroscopy with integrated 4-pixel antenna array 1 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

11 YBa 2 Cu 3 O 7-x detection system Thin-film deposition and detector patterning Thin-film fabrication Length of detecting element Antenna & coplanar design Pulsed-Laser Deposition & DC-magnetron sputtering Electron-beam lithography (EBL) Ion-beam (IBE) EBL & IBE 36 nm 11 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

12 YBa 2 Cu 3 O 7-x detection system Hybrid antenna concept Integrated lens antenna: Integration into cryostat: THz signal Detector + antenna Silicon lens Substrate Detector block: THz signal P. Probst et al., Phys. Rev. B 85, (212) 12 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

13 YBa 2 Cu 3 O 7-x detection system Detection system & readout time resolution 15 ps (FWHM) P. Probst et al., Appl. Phys. Lett. 11, (212) 13 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

14 Direct detection of CSR Microbunching at UVSOR-III (I) Spontaneous CSR in microbunch Simulation of temporal evolution of the bunch Simulation Experiment E. Roussel et al., Phys. Rev. Lett., 113, 9481 (214) J. Raasch et al., IEEE Trans. on Appl. Supercond. 25, 3 (215) 14 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

15 Direct detection of CSR Microbunching at UVSOR-III (I) Spontaneous CSR in microbunch Simulation of temporal evolution of the bunch Simulation Experiment E. Roussel et al., Phys. Rev. Lett., 113, 9481 (214) J. Raasch et al., IEEE Trans. on Appl. Supercond. 25, 3 (215) 15 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

16 Direct detection of CSR Filling pattern at ANKA 1 Detector response (mv) Time (ns) Filling pattern Detector response (mv) 1 5 P. Probst et al., Appl. Phys. Lett. 11, (212) 33 bunches Detector response (mv) Time (ns) 1 bunch Time (ms) 16 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

17 Single-shot THz spectroscopy Narrow-band THz antenna design Design and characterisation of 4 narrow-band double-slit antennas: 14 GHz, 33 GHz, 65 GHz, 1.2 THz A. Schmid et al., submitted to IEEE Trans. on Appl. Supercond. 17 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

18 Single-shot THz spectroscopy Detection system for multi-pixel array Broad-band readout lines for 4 pixels 18 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

19 Single-shot THz spectroscopy Simultaneous detection with 4 channels at DLS Detector Voltage (mv) GHz detector 35 GHz detector 65 GHz detector 1 THz detector Time (µs) First measurement with four-channel simultaneous readout 19 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

20 Single-shot THz spectroscopy Bursting behaviour at ANKA and DLS Peak Signal (mv) Peak Signal (mv) GHz 35 GHz 65 GHz 1.2 THz GHz 35 GHz 65 GHz THz Time (ms) Peak Signal (mv) Peak Signal (mv) Time (ms) Time (ms) Time (ms) 2 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

21 Conclusions Synchrotron as brilliant source of THz radiation Direct THz detectors: Bolometers, SBD, YBCO detector Novel THz detection system based on YBCO 15 ps temporal resolution & Electrical field sensitivity Direct detection & Single-shot THz spectroscopy 6 5 Peak Signal (mv) Time (ms) 21 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

22 22 2/17/17 Institut für Mikro- und Nanoelektronische Systeme

23 Coherent Synchrotron Radiation & THz detectors Comparison of direct THz detector technologies InSb bolometer NbN HEB Schottky diode YBCO detector Bath Temperature 4.2 K 4.2 K RT 77 K NEP 1-13 W/ Hz 1-13 W/ Hz 1-1 W/ Hz 1-1 W/ Hz Dynamic range < 15 db 25 db > 3 db Response time 3 ns 1 ps 2 ps < 15 ps Zero Bias û û ü ü Electrical field sensitivity û û û ü 23 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

24 YBa 2 Cu 3 O 7-x detection system Broad-band THz antenna design f = 3 GHz 1. THz f = 15 GHz 2.5 THz f < 6. THz S 11 (db) Z D = 5 Ω db limit Frequency (THz) P. Probst et al., Phys. Rev. B 85, (212) S 11 (db) Z D = 5 Ω -1 db limit Frequency (THz) A. D. Semenov et al., IEEE Trans. On Microw. Theor. and Tech. 55, 2 (27) 24 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme

25 Outlook Broadband readout with KAPTURE KArlsruhe Pulse Taking Ultra-fast Readout Electronis KAPTURE, IPE Detector response (mv) M. Caselle et al., Proc. of IPAC, THPME113 (214) 25 2/17/17 Juliane Raasch Zero-biased YBCO detectors for thereal-time observation of Institut für Mikro- und Nanoelektronische Systeme