Control and Preparation of Low Excited States of He Atoms Interacted with Strong Laser Field

bin Zhu; Guoli Wang; Xiaoyong Li; Xiaoxin Zhou

doi:10.3788/AOS201838.0702002

[1] Krausz F, Ivanov M. Attosecond physics[J]. Reviews of Modern Physics, 81, 163-234(2009).

[2] Corkum P B. Plasma perspective on strong field multiphoton ionization[J]. Physical Review Letters, 71, 1994-1997(1993). http://ptep.oxfordjournals.org/external-ref?access_num=10.1103/PhysRevLett.71.1994&link_type=DOI

[3] Xu Z Z, Zhang Z Q, Li X X et al. Coherent soft X-ray radiation obtained by high-order harmonic generation[J]. Acta Optica Sinica, 17, 957-958(1997).

[4] Zhang L Y, Dai Y, Zheng Y H et al. Bright high-order harmonic generation via multi-jet arrays[J]. Chinese Journal of Lasers, 44, 1001002(2017).

[5] Itatani J, Levesque J, Zeidler D et al. Tomographic imaging of molecular orbitals[J]. Nature, 432, 867-871(2004). http://www.ncbi.nlm.nih.gov/pubmed/15602553

[6] Miao J W, Ishikawa T, Robinson I K et al. Beyond crystallography: Diffractive imaging using coherent X-ray light sources[J]. Science, 348, 530-535(2015). http://www.ncbi.nlm.nih.gov/pubmed/25931551

[7] Haworth C A, Chipperfield L E, Robinson J S et al. Half-cycle cutoffs in harmonic spectra and robust carrier-envelope phase retrieval[J]. Nature Physics, 3, 52-57(2007). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT05000006000002000031000001&idtype=cvips&gifs=Yes

[8] Chang Z, Corkum P B, Leone S R. Attosecond optics and technology: Progress to date and future prospects[J]. Journal of the Optical Society of America B, 33, 1081-1097(2016). http://adsabs.harvard.edu/abs/2016JOSAB..33.1081C

[9] Calegari F, Sansone G, Stagira S et al. Advances in attosecond science[J]. Journal of Physics B: Atomic, Molecular and Optical Physics, 49, 062001(2016).

[10] Krausz F. The birth of attosecond physics and its coming of age[J]. Physica Scripta, 91, 063011(2016). http://www.ingentaconnect.com/content/iop/physica/2016/00000091/00000006/art063011

[11] Xu X H, Xia C L, Guo Z W et al. Study on the spatial distribution of high-order harmonic emission in few-cycle chirped laser pulse and the isolated attosecond pulse generation[J]. Chinese Journal of Lasers, 45, 0601007(2018).

[12] Li X X, Xu Z Z, Zhang W Q. The effect of initial population on the generation of high order harmonics[J]. Chinese Journal of Lasers, 24, 1124-1128(1997).

[13] Zhai Z, Chen J, Yan Z C et al. Direct probing of electronic density distribution of a Rydberg state by high-order harmonic generation in a few-cycle laser pulse[J]. Physical Review A, 82, 043422(2010).

[14] Zhai Z, Zhu Q R, Chen J et al. High-order harmonic generation with Rydberg atoms by using an intense few-cycle pulse[J]. Physical Review A, 83, 043409(2011). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT05000010000005000208000001&idtype=cvips&gifs=Yes

[15] Yang Y J, Chen J G, Chi F P et al. Ultrahigh harmonic generation from an atom with superposition of ground state and highly excited states[J]. Chinese Physics Letters, 24, 1537-1540(2007).

[16] Chacón A, Ciappina M F, Conde A P. High-order harmonic generation enhanced by coherent population return[J]. The European Physical Journal D, 69, 133(2015). http://link.springer.com/article/10.1140/epjd/e2015-60104-x

[17] Yuan X L, Wei P F, Liu C D et al. Enhanced high-order harmonic generation from excited argon[J]. Applied Physics Letters, 107, 041110(2015). http://scitation.aip.org/content/aip/journal/apl/107/4/10.1063/1.4927662

[18] Bleda E A, Yavuz I. Altun, et al. High-order-harmonic generation from Rydberg states at fixed Keldysh parameter[J]. Physical Review A, 88, 043417(2013).

[19] Dörr M, Sandner W. Importance of excited bound states in harmonic generation[J]. Physical Review A, 58, 2990-2999(1998). http://prola.aps.org/abstract/PRA/v58/i4/p2990_1

[20] Mohebbi M. Controlling the ionization and recombination rates of an electron in preexcited ions to generate an intense isolated sub-4-as pulse in a multicycle regime[J]. Physical Review A, 91, 023835(2015).

[21] Chini M, Wang X W, Cheng Y et al. Coherent phase-matched VUV generation by field-controlled bound states[J]. Nature Photonics, 8, 437-441(2014). http://www.nature.com/nphoton/journal/v8/n6/nphoton.2014.83/metrics

[22] Xiong W H, Jin J Z, Peng L Y et al. Numerical observation of two sets of low-order harmonics near the ionization threshold[J]. Physical Review A, 96, 023418(2017). http://journals.aps.org/pra/abstract/10.1103/PhysRevA.96.023418

[23] Beaulieu S, Camp S, Descamps D et al. Role of excited states in high-order harmonic generation[J]. Physical Review Letters, 117, 203001(2016). http://www.ncbi.nlm.nih.gov/pubmed/27886492

[24] Li P C, Laughlin C, Chu S I. Generation of isolated sub-20-attosecond pulses from He atoms by two-color midinfrared laser fields[J]. Physical Review A, 89, 023431(2014).

[25] Tong X M, Chu S I. Theoretical study of multiple high-order harmonic generation by intense ultrashort pulsed laser fields: A new generalized pseudospectral time-dependent method[J]. Chemical Physics, 217, 119-130(1997).

[26] Hermann M R, Fleck J A. Jr. Split-operator spectral method for solving the time-dependent Schr?dinger equation in spherical coordinates[J]. Physical Review A, 38, 6000-6012(1988).