Numerical Analysis of Fifth-Harmonic Conversion of Low-Power Pulsed Nd:YAG Laser with Resonance of Second Harmonic

Chang, Liang-Cheng; Wang, S. C.; Kung, A. H.

doi:10.1143/jjap.42.4318

Cited by 5 publications

(2 citation statements)

References 35 publications

(40 reference statements)

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“…The present model, shown in Figure 1, has been adopted from the works of Chang et al [37] who have studied the optimal combination of nonlinear optical crystals for the fifth harmonic generation and Ni et al [38] have reported the comparative experimental investigation on third and fifth harmonic generation by mid-infrared ultrafast laser pulses. This model is chosen to make a realistic one and our discussions hold for all similar models.…”

Section: Nonclassical Effects Of Light In the Fundamental Modementioning

confidence: 99%

“…The right-hand sides of (36) and (37) are showing the existence of squeezing in amplitude-squared of the field in the fundamental mode in the fifth harmonic generation process whenever sin(− 1 + 2 ) < 0 and sin(− 1 + 2 ) > 0, respectively. The multiplication factor (| | 4 + 3| | 2 + 3/2) is the nonlinear effect due to strong pump field interaction.…”

Section: Isrn Opticsmentioning

confidence: 99%

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Nonclassical Effects of Light in Fifth Harmonic Generation up to First-Order Hamiltonian Interaction

2014

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The nonclassical effects of light in the fifth harmonic generation are investigated by quantum mechanically up to the first-order Hamiltonian interaction. The coupled Heisenberg equations of motion involving real and imaginary parts of the quadrature operators are established. The occurrence of amplitude squeezing effects in both quadratures of the radiation field in the fundamental mode is investigated and found to be dependent on the selective phase values of the field amplitude. The photon statistics in the fundamental mode have also been investigated and found to be sub-Poissonian in nature. It is observed that there is no possibility to produce squeezed light in the harmonic mode up to first-order Hamiltonian interaction. Further, we have found that the normal squeezing in the harmonic mode directly depends upon the fifth power of the field amplitude of the initial pump field up to second-order Hamiltonian interaction. This gives a method of converting higher-order squeezing in the fundamental mode into normal squeezing in the harmonic mode and vice versa. The analytic expression of fifth-order squeezing of the fundamental mode in the fifth harmonic generation is established.

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Section: Nonclassical Effects Of Light In the Fundamental Modementioning

confidence: 99%

Section: Isrn Opticsmentioning

confidence: 99%