Photostimulated even acoustoelectric effect

Shmelev, G. M.; Shon, Nguen Khong; Tsurkan, G. I.

doi:10.1007/bf00912515

Cited by 7 publications

(12 citation statements)

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“…Now we turn to the situation where the frequencies of incident waves are different. An important example of such phenomena is the coherent injection of ballistic currents also known as coherent photogalvanic effect [146,147]. In this case, the dc current emerges under the illumination of sample with bi-harmonic field with frequencies ω and 2ω.…”

Section: Effects Of Ac Fieldsmentioning

confidence: 99%

High frequency electric field induced nonlinear effects in graphene

Glazov¹,

2014

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a b s t r a c tThe nonlinear optical and optoelectronic properties of graphene with the emphasis on the processes of harmonic generation, frequency mixing, photon drag and photogalvanic effects as well as generation of photocurrents due to coherent interference effects, are reviewed. The article presents the state-of-the-art of this subject, including both recent advances and well-established results. Various physical mechanisms controlling transport are described in depth including phenomenological description based on symmetry arguments, models visualizing physics of nonlinear responses, and microscopic theory of individual effects.

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Section: Effects Of Ac Fieldsmentioning

confidence: 99%

High frequency electric field induced nonlinear effects in graphene

Glazov¹,

2014

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“…For the single-level defects we obtain P P Thus the averaged third-order conductivity of the glass containing single-level or two-level defects is determined by (9), (24) to (29) and by (9), (30) to (35), respectively. The density of the corresponding photocurrent is given by (15).…”

Section: Microscopic Models Of Third-order Ionization Photogalvanic Ementioning

confidence: 99%

“…PGE of this type is conventionally called free-carrier PGE. The theory of the free-carrier CPGE has been developed recently in [15] using the quantum kinetic equation method and later in [16] and in [17] using a Boltzmann-type kinetic equation. However, results of [15] and [16,171 contradict each other.…”

Section: Introductionmentioning

confidence: 99%

“…The theory of the free-carrier CPGE has been developed recently in [15] using the quantum kinetic equation method and later in [16] and in [17] using a Boltzmann-type kinetic equation. However, results of [15] and [16,171 contradict each other. Furthermore, a wrong relation between the two components of the CPGE photocurrent is obtained in [16] for an isotropic electron gas with quadratic dispersion.…”

Section: Introductionmentioning

confidence: 99%

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Theory of Third‐Order Nonlinear Photoconductivity and Third‐Order Photogalvanic Effect in Glass

Sokolov

Sulimov

1995

Physica Status Solidi (b)

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The general theory of a third-order generalized photoconductivity in glass is developed using a density matrix approach in the generalized master equation approximation. The theory is applied to third-order photogalvanic effect in glass in connection with photoinduced second-harmonic generation in silica. h3pa60TaHa o61uan TeOpliX 0 6 0 6 w e~~o i i IIpOBOnHMOCTH TpeTberO nOpXAKa B CTeKJE, OCHOBaHHaR H~H C~O~b 3 0 B~H H H M~T O~~M~T~H~b I~~O T H O C T H B~~H6~~~~H H U 0 6 0 6~~H H O~0 O FJUIerO ypaBHeHUR. Teoplin IIpliMeHeHa K @OTOraJIbBaHAYeCKOMy 3@@eKTY TpeTberO IIOpRAKa B CTeKJIe B CBRJU C npo6ne~oB (POTOHHnYUliPOBaHHOfi RHepaqHH BTOPOS raPMOHUKH B CTeKJIe.e Ea -Es m h J,, = J,", = --(SIP la) = i ~ dsa > J s p = 0 7 Jap = 0 , Jpp = 0 .Hence in the approximation under consideration the density of the hopping third-order photocurrent turns out to include the only contribution Using (6), one immediately obtains the density of the third-order photocurrent caused by hopping CPGE in a disordered solid,and the corresponding third-order conductivity,J where designations ma,(&) and [(c) have the same meaning as for the two-level defects in Section 3.

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“…Independently from this research the DC generation in semiconductors associated with a mixing of a coherent electromagnetic wave with its second harmonic has been also described in theoretical papers [31][32][33] and named as "coherent photovoltaic effect". The description based on a quantum kinetic equation for the model of free electrons interacting with acoustical phonons was used in the paper [31], while the paper [32] dealt with an approach of the classical Boltzmann equation with collisional integrals incorporating a field absorption by free classical electrons or by impurity-band transitions. Finally, the paper [33] suggested that a mechanism of the DC generation at the wave mixing can be associated with quantum corrections to a nonlinear rf-conductivity.…”

Section: A Wave Mixing In Bulk Semiconductorsmentioning

confidence: 99%

Direct current generation due to wave mixing in semiconductor superlattices

Alekseev

Kusmartsev²

Conference Digest. 2000 International Quantum Electronics Conference (Cat. No.00TH8504)

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We discuss an effect of dc current and dc voltage (stopping bias) generation in a semiconductor superlattice subjected by an ac electric field and its phase-shifted n-th harmonic. In the low field limit, we find a simple dependence of dc voltage on a strength, frequency, and relative phase of mixing harmonics for an arbitrary even value of n.We show that the generated dc voltage has a maximum when a frequency of ac field is of the order of a scattering constant of electrons in a superlattice. This means that for typical semiconductor superlattices at room temperature operating in the THz frequency domain the effect is really observable. Indeed, such conditions are most used in the modern experiments on THz harmonics generation in superlattices.We also made a comparison of a recent paper describing an effect of a directed current generation in a semiconductor superlattice subjected by ac field and its second harmonic (n = 2) [K. Seeger, Appl. Phys. Lett. 76, 82 (2000)] with our earlier findings describing the same effect [K. Alekseev et al., Europhys. Lett. 47, 595 (1999); cond-mat/9903092]. In particular, here we found that the maximum value of dc current is associated with the THz domain that also follows from Seeger's calculations. This maximum value has already been highlighted in our previous work.For the mixing of an ac field and its n-th harmonic with n ≥ 4, we found that additionally to the phase-shift controlling of the dc current, there is a frequency control. This frequency controlling of the dc current direction is absent in the case of n = 2. The found effect is that, both the dc current suppression and the dc current reversals exist for some particular values of ac field frequency. For typical semiconductor superlattices such an interesting behavior of the dc current should be observable also in the THz domain.Finally, we briefly review the history of the problem of the dc current generation at mixing of harmonics associated with arbitrary coherent electromagnetic waves in semiconductors and semiconductor microstructures.

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Photostimulated even acoustoelectric effect

Cited by 7 publications

References 1 publication

High frequency electric field induced nonlinear effects in graphene

High frequency electric field induced nonlinear effects in graphene

Theory of Third‐Order Nonlinear Photoconductivity and Third‐Order Photogalvanic Effect in Glass

Direct current generation due to wave mixing in semiconductor superlattices

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