Second harmonic generation in a YAG laser with self-locking of longitudinal modes

Gusev, A. A.; Kruzhalov, S. V.; Львов, Б. В.; Pakhomov, L. N.; Petrun'kin, V. Yu.

doi:10.1070/qe1983v013n03abeh004153

Sov. J. Quantum Electron.

1983

DOI: 10.1070/qe1983v013n03abeh004153

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Second harmonic generation in a YAG laser with self-locking of longitudinal modes

A. A. Gusev¹,

S. V. Kruzhalov²,

Б. В. Львов³

et al.

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1986

1990

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Cited by 3 publications

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Acoustic Second Harmonic Generation in Magnetized High Resistivity Piezoelectric Semiconductors. Effect of Nonuniform Electric Field Intensity and Carrier Concentration

Dey

Ghosh

1990

Physica Status Solidi (b)

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The acoustic second harmonic generation in transversely magnetised nondegenerate piezoelectric semiconductors in the presence of an electrostatic field in the direction of the wave propagation is studied theoretically. Even in trap-free semiconductors the electrostatic field and the carrier concentration inside the sample are taken as nonuniform. It is found that the relative flux of second harmonic gets enhanced due to this nonuniformity; whereas application of magnetostatic field reduces it. Numerical estimations are made for n-CdS at room temperature.Die Erzeugung zweiter akustischer Harmonischer in transversal magnetisierten nichtentarteten piezoelektrischen Halbleitern in Gegenwart eines elektrischen Feldes in Richtung der Wellenausbreitung wird theoretisch untersucht. Selbst fur storstellenfreie Halbleiter werden elektrostatisches Feld und Tragerkonzentration als ungleichformig angenommen. Es wird gefunden, daD die relative Intensitat der zweiten Harmonischen infolge dieser Ungleichformigkeit erhoht, durch das magnetische Feld vermindert wird. Numerische Abschatzungen werden gemacht fur n-CdS bei Zimmertemperatur.

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Acoustic Second Harmonic Generation in Magnetized High Resistivity Piezoelectric Semiconductors. Effect of Nonuniform Electric Field Intensity and Carrier Concentration

Dey

Ghosh

1990

Physica Status Solidi (b)

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Effect of velocity operator on acoustic-harmonic generation in n-type piezoelectric semiconductors

Tsai

1986

Journal of Applied Physics

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Acoustic second harmonic generation in piezoelectric semiconductors: Effect of nonuniform electric field intensity Using the velocity operator derived from the Heisenberg equation of motion, we have investigated second-harmonic generation of acoustic waves propagating in nondegenerate piezoelectric semiconductors with a uniform dc magnetic field B directed along the waves. Since we are interested in both high-and low-frequency regions, an electron relaxation time due to the scatterings in solids is taken into account. Results show that the second-harmonic generation due to the piezoelectric polarization is insignificant in the very low-frequency region. However, when the frequency is coming into the microwave region, the second-harmonic generation increases quite rapidly with the sound frequency up to some maximum points at the range offrequency U) = 10 11 -2 X 1011 radls, and then decreases. There are two maximum points in this range of frequency at very low temperatures. When the temperature increases, these two maximum points will be reduced to only a single maximum point. It is also found that the second-harmonic generation can be influenced by the dc magnetic field due to the nonlinear nature of energy bands in piezoelectric semiconductors.

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Some laws governing intracavity second harmonic generation

Апанасевич¹,

Zaporozhchenko²,

Zaporozhchenko³

et al. 1986

Sov. J. Quantum Electron.

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Second harmonic generation in a YAG laser with self-locking of longitudinal modes

Cited by 3 publications

References 1 publication

Acoustic Second Harmonic Generation in Magnetized High Resistivity Piezoelectric Semiconductors. Effect of Nonuniform Electric Field Intensity and Carrier Concentration

Acoustic Second Harmonic Generation in Magnetized High Resistivity Piezoelectric Semiconductors. Effect of Nonuniform Electric Field Intensity and Carrier Concentration

Effect of velocity operator on acoustic-harmonic generation in n-type piezoelectric semiconductors

Some laws governing intracavity second harmonic generation

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