Sub-cycle optical control of current in a semiconductor: from the multiphoton 
to the tunneling regime

Paasch-Colberg, Tim; Kruchnin, Stanislav Yu.; Sağlam, Özge; Kapser, Stefan; Cabrini, Stefano; Muehlbrandt, Sascha; Reichert, Joachim; Barth, Johannes V.; Ernstorfer, Ralph; Kienberger, Reinhard; Yakovlev, Vladislav S.; Karpowicz, Nicholas; Schiffrin, Agustin

doi:10.1364/OPTICA.3.001358

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Sub-cycle optical control of current in a semiconductor: from the multiphoton to the tunneling regime

MPS-Authors

Paasch-Colberg, Tim
Max Planck Institute of Quantum Optics, Max Planck Society;
TOPTICA Photonics AG;

Kruchnin, Stanislav Yu.
Max Planck Institute of Quantum Optics, Max Planck Society;

Kapser, Stefan
Max Planck Institute of Quantum Optics, Max Planck Society;

Muehlbrandt, Sascha
Max Planck Institute of Quantum Optics, Max Planck Society;

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Ernstorfer, Ralph
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

Kienberger, Reinhard
Max Planck Institute of Quantum Optics, Max Planck Society;
Physik-Department, Technische Universität München;

Yakovlev, Vladislav S.
Max Planck Institute of Quantum Optics, Max Planck Society;
Ludwig-Maximilians-Universität;

Karpowicz, Nicholas
Max Planck Institute of Quantum Optics, Max Planck Society;

Schiffrin, Agustin
Max Planck Institute of Quantum Optics, Max Planck Society;
School of Physics & Astronomy, Monash University;

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1608.01854.pdf
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引用

Paasch-Colberg, T., Kruchnin, S. Y., Sağlam, Ö., Kapser, S., Cabrini, S., Muehlbrandt, S., Reichert, J., Barth, J. V., Ernstorfer, R., Kienberger, R., Yakovlev, V. S., Karpowicz, N., & Schiffrin, A. (2016). Sub-cycle optical control of current in a semiconductor: from the multiphoton to the tunneling regime. Optica, 3(12), 1358-1361. doi:10.1364/OPTICA.3.001358.

引用: https://hdl.handle.net/11858/00-001M-0000-002C-4E0F-5

要旨

Nonlinear interactions between ultrashort optical waveforms and solids can be used to induce and steer electric currents on femtosecond (fs) timescales, holding promise for electronic signal processing at PHz (10¹⁵ Hz) frequencies [Nature 493, 70 (2013)]. So far, this approach has been limited to insulators, requiring extreme peak electric fields (>1 V/Å) and intensities (>10¹³ W/cm²). Here, we show all-optical generation and control of electric currents in a semiconductor relevant for high-speed and high-power (opto)electronics, gallium nitride (GaN), within an optical cycle and on a timescale shorter than 2 fs, at intensities at least an order of magnitude lower than those required for dielectrics. Our approach opens the door to PHz electronics and metrology, applicable to low-power (non-amplified) laser pulses, and may lead to future applications in semiconductor and (photonic) integrated circuit technologies.