Acknowledgement
The author would like to thank the KAIST Analysis Center for Research Advancement (KARA) for help in fabricating the nanostructures for this work.
References
- P. B. Corkum, "Plasma perspective on strong field multiphoton ionization," Phys. Rev. Lett. 71, 1994-1997 (1993). https://doi.org/10.1103/PhysRevLett.71.1994
- M. Lewenstein, P. Balcou, M. Y. Ivanov, A. L'Huillier, and P. B. Corkum, "Theory of high-harmonic generation by low-frequency laser fields," Phys. Rev. A 49, 2117-2132 (1994). https://doi.org/10.1103/physreva.49.2117
- Z. Chang, A. Rundquist, H. Wang, M. M. Murnane, and H. C. Kapteyn, "Generation of coherent soft X rays at 2.7 nm using high harmonics," Phys. Rev. Lett. 79, 2967-2970 (1997). https://doi.org/10.1103/PhysRevLett.79.2967
- A. L'Huillier, M. Lewenstein, P. Salieres, P. Balcou, M. Ivanov, J. Larsson, and C. Wahlstrom, "High-order Harmonic-generation cutoff," Phys. Rev. A 48, R3433-R3436 (1993).
- A. H. Zewail, "Femtochemistry: atomic-scale dynamics of the chemical bond using ultrafast lasers (Nobel Lecture)," Angew. Chem. Int. Ed. 39, 2586-2631 (2000). https://doi.org/10.1002/1521-3773(20000804)39:15<2586::aid-anie2586>3.0.co;2-o
- T. Pfeifer, C. Spielmann, and G. Gerber, "Femtosecond x-ray science," Rep. Prog. Phys. 69, 443-505 (2006). https://doi.org/10.1088/0034-4885/69/2/R04
- F. Krausz and M. Ivanov, "Attosecond physics," Rev. Mod. Phys. 81, 163-234 (2009). https://doi.org/10.1103/RevModPhys.81.163
- Z. Chang, Fundamentals of Attosecond Optics, 1st ed. (CRC Press, USA, 2011).
- M. F. Ciappina, J. A. Perez-Hernandez, A. S. Landsman, W. A. Okell, S. Zherebtsov, B. Forg, J. Schotz, L. Seiffert, T. Fennel, T. Shaaran, T. Zimmermann, A. Chacon, R. Guichard, A. Zair, J. W. G. Tisch, J. P. Marangos, T. Witting, A. Braun, S. A. Maier, L. Roso, M. Kruger, P. Hommelhoff, M. F. Kling, F. Krausz, and M. Lewenstein, "Attosecond physics at the nanoscale," Rep. Prog. Phys. 80, 054401 (2017). https://doi.org/10.1088/0034-4885/80/5/054401
- D. Strickland and G. Mourou, "Compression of amplified chirped optical pulses," Opt. Commun. 55, 447-449 (1985). https://doi.org/10.1016/0030-4018(85)90151-8
- S. A. Maier, Plasmonics: Fundamentals and Applications (Springer NY, NY, USA, 2007).
- S. Kim, J. Jin, Y.-J. Kim, I.-Y. Park, Y. Kim, and S.-W. Kim, "High-harmonic generation by resonant plasmon field enhancement," Nature 453, 757-760 (2008). https://doi.org/10.1038/nature07012
- M. Sivis, M. Duwe, B. Abel, and C. Ropers, "Nanostructure-enhanced atomic line emission," Nature 485, E1-E2 (2012). https://doi.org/10.1038/nature10978
- N. Pfullmann, "Nano-antenna-assisted high-order harmonic generation," Ph. D. Thesis, Leibniz Universitat Hannover, Germany (2012).
- I.-Y. Park, S. Kim, J. Choi, D.-H. Lee, Y.-J. Kim, M. F. Kling, M. I. Stockman, and S.-W. Kim, "Plasmonic generation of ultrashort extreme-ultraviolet light pulses," Nat. Photonics 5, 677-681 (2011). https://doi.org/10.1038/nphoton.2011.258
- M. Sivis and C. Ropers, "Generation and bistability of a waveguide nanoplasma observed by enhanced extreme-ultraviolet fluorescence," Phys. Rev. Lett. 111, 085001 (2013). https://doi.org/10.1103/physrevlett.111.085001
- S. Ghimire, A. D. DiChiara, E. Sistrunk, P. Agostini, L. F. DiMauro, and D. A. Reis, "Observation of high-order harmonic generation in a bulk crystal," Nat. Phys. 7, 138-141 (2011). https://doi.org/10.1038/nphys1847
- H. Liu, Y. Li, Y. S. You, S. Ghimire, T. F. Heinz, and D. A. Reis, "High-harmonic generation from an atomically thin semiconductor," Nat. Phys. 13, 262-265 (2017). https://doi.org/10.1038/nphys3946
- Y. S. You, D. A. Reis, and S. Ghimire, "Anisotropic high-harmonic generation in bulk crystals," Nat. Phys. 13, 345-349 (2017). https://doi.org/10.1038/nphys3955
- H. Kim, S. Han, Y. W. Kim, S. Kim, and S.-W. Kim, "Generation of coherent extreme-ultraviolet radiation from bulk sapphire crystal," ACS Photonics 4, 1627-1632 (2017). https://doi.org/10.1021/acsphotonics.7b00350
- M. Sivis, M. Taucer, G. Vampa, K. Johnston, A. Staudte, A. Y. Naumov, D. M. Villeneuve, C. Ropers, and P. B. Corkum, "Tailored semiconductors for high-harmonic optoelectronics," Science 357, 303-306 (2017). https://doi.org/10.1126/science.aan2395
- D. Franz, S. Kaassamani, D. Gauthier, R. Nicolas, M. Kholodtsova, L. Douillard, J. T. Gomes, L. Lavoute, D. Gaponov, N. Ducros, S. Fevrier, J. Biegert, L. Shi, M. Kovacev, W. Boutu, and H. Merdji, "All semiconductor enhanced high-harmonic generation from a single nanostructured cone," Sci. Rep. 9, 5663 (2019). https://doi.org/10.1038/s41598-019-41642-y
- S. Han, L. Ortmann, H. Kim, Y. W. Kim, T. Oka, A. Chacon, B. Doran, M. Ciappina, M. Lewenstein, S.-W. Kim, S. Kim, and A. S. Landsman, "Extraction of higher-order nonlinear electronic response in solids using high harmonic generation," Nat. Commun. 10, 3272 (2019). https://doi.org/10.1038/s41467-019-11096-x
- M. Wu, S. Ghimire, D. A. Reis, K. J. Schafer, and M. B. Gaarde, "High-harmonic generation from Bloch electrons in solids," Phys. Rev. A 91, 043839 (2015). https://doi.org/10.1103/physreva.91.043839
- S. Han, H. Kim, Y. W. Kim, Y.-J. Kim, S. Kim, I.-Y. Park, and S.-W. Kim, "High-harmonic generation by field enhanced femtosecond pulses in metal-sapphire nanostructure," Nat. Commun. 7, 13105 (2016). https://doi.org/10.1038/ncomms13105
- M. F. Ciappina, J. Biegert, R. Quidant, and M. Lewenstein, "High-order-harmonic generation from inhomogeneous fields," Phys. Rev. A 85, 033828 (2012). https://doi.org/10.1103/physreva.85.033828
- Y. W. Kim, T. Shao, H. Kim, S. Han, S. Kim, M. Ciappina, X.-B. Bian, and S.-W. Kim, "Spectral interference in high harmonic generation from solids," ACS Photonics 6, 851-857 (2019). https://doi.org/10.1021/acsphotonics.9b00019
- B. Tan and K. Venkatakrishnan, "A femtosecond laser-induced periodical surface structure on crystalline silicon," J. Micromech. Microeng. 16, 1080-1085 (2006). https://doi.org/10.1088/0960-1317/16/5/029