Ultrafast optical response of YBCO superconductors

Lei Shi; G. L. Huang; Chris Lehane; Jim P. Zheng; HoiSing Kwok

doi:10.1117/12.137673

21 October 1992 Ultrafast optical response of YBCO superconductors

Lei Shi, G. L. Huang, Chris Lehane, Jim P. Zheng, HoiSing Kwok

Proceedings Volume 1677, Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors; (1992) https://doi.org/10.1117/12.137673
Event: Semiconductors '92, 1992, Somerset, NJ, United States

Abstract

Picosecond voltage pulses were generated in YBCO microstriplines by irradiation with a picosecond laser. An autocorrelation method was proposed and applied to measure the temporal decay of these ultrafast voltage pulses. It was also ascertained that these pulses were generated in the superconducting state. Using a 40 ps laser, voltage pulses with fast components < 40 ps were obtained. This fast decay was dependent on the bias current. There were also significant thermal components in these pulses. Methods of generating even shorter pulses are discussed.

Citation Download Citation

Lei Shi, G. L. Huang, Chris Lehane, Jim P. Zheng, and HoiSing Kwok "Ultrafast optical response of YBCO superconductors", Proc. SPIE 1677, Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors, (21 October 1992); https://doi.org/10.1117/12.137673

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