Large enhancement in second-harmonic generation by optical feedback

U Chatterjee, S Gangopadhyay, C Ghosh… - Applied physics …, 2006 - pubs.aip.org
An optical feedback configuration is proposed for second-harmonic generation from a
secondary coherent source in a nonlinear crystal that without focusing enables one to …

Analytical approximation of the second-harmonic conversion efficiency

JR Daniel, SW Tsai, B Hemmerling - Applied Optics, 2020 - opg.optica.org
The second-harmonic generation process of a focused laser beam inside a nonlinear crystal
is described by the Boyd–Kleinman theory. Calculating the actual conversion efficiency and …

Enhanced second harmonic generation efficiency via wavefront shaping

JV Thompson, BH Hokr, GA Throckmorton… - ACS …, 2017 - ACS Publications
Optical second harmonic generation is a fundamental nonlinear effect with a large impact on
laser technology and optical imaging/sensing. For most practical applications of second …

Optical parametric oscillation with intracavity second-harmonic generation

GT Moore, K Koch, EC Cheung - Optics communications, 1995 - Elsevier
We consider combining frequency down-conversion with frequency up-conversion in the
same cavity as a means of producing tunable up-converted radiation. Specifically, we …

Influence of self-induced thermal effects on second-harmonic generation

M Okada, S Ieiri - IEEE Journal of Quantum Electronics, 1971 - ieeexplore.ieee.org
Influence of self-induced thermal effects on second-harmonic generation Page 1
CORRESPONDENCE 469 TABLE I MATERIAL PARAMETERS Source or Codes (em) (Manufacturer)b …

Coherent control and dark pulses in second harmonic generation

P Wnuk, C Radzewicz - Optics Communications, 2007 - Elsevier
We present the results of our study of the second harmonic generation (SHG) in a nonlinear
crystal using phase modulated femtosecond laser pulses. We show experimentally that the …

Highly efficient single-pass sum frequency generation by cascaded nonlinear crystals

AK Hansen, PE Andersen, OB Jensen, B Sumpf… - Optics letters, 2015 - opg.optica.org
The cascading of nonlinear crystals has been established as a simple method to greatly
increase the conversion efficiency of single-pass second-harmonic generation compared to …

Concept for power scaling second harmonic generation using a cascade of nonlinear crystals

AK Hansen, M Tawfieq, OB Jensen, PE Andersen… - Optics express, 2015 - opg.optica.org
Within the field of high-power second harmonic generation (SHG), power scaling is often
hindered by adverse crystal effects such as thermal dephasing arising from the second …

Influence of temporal pulse shape on second harmonic generation

E Ohmura, K Nomura… - … Symposium on Laser …, 2003 - spiedigitallibrary.org
Frequency conversion technique using nonlinear optical crystals is indispensible to solid-
state laser applications. It is well known that the conversion efficiency is very sensitive to …

Reproducible optical second-harmonic generation using a mode-locked laser

M Bass, K Andringa - IEEE Journal of Quantum Electronics, 1967 - ieeexplore.ieee.org
Experiments have shown a one-to-one correspondence between the intensity of a
fundamental pulse of light and its second harmonic. This correspondence is observed when …