Examining second-harmonic generation of high-order Laguerre-Gaussian modes through a single cylindrical lens

Optics Letters
Xinyuan FangMin Xiao

Abstract

We experimentally investigate the second-harmonic generation of a high-order Laguerre-Gaussian (LG) mode under the quasi-phase-matching (QPM) configuration. First, we introduce a simple method to observe the azimuthal (l) and radial (p) indices of the high-order LG modes. Based on the astigmatic transformation technique, l and p are revealed in the number of dark stripes of the converted pattern in the focal plane. Then, using this efficient method of measurement, we demonstrate in experiments a second-harmonic LG mode with its radial and azimuthal indices being twice those of the inputted fundamental wave through QPM in a periodically poled KTP crystal. Our results provide a feasible way to obtain simultaneously the LG modes with larger radial and azimuthal indices.

References

Nov 1, 1996·Physical Review. a·K DholakiaL Allen
Jul 5, 2002·Physical Review Letters·Jonathan LeachJohannes Courtial
Aug 15, 2003·Nature·David G Grier
Oct 23, 2003·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·J A O HugueninA Z Khoury
Apr 11, 2006·Optics Letters·H I Sztul, R R Alfano
May 1, 2006·Optics Express·Stefan BernetMonika Ritsch-Marte
Jan 7, 2010·Optics Express·Vladimir DenisenkoYuri S Kivshar
Oct 3, 2013·Nature Communications·Dong-Sheng DingGuang-Can Guo
Nov 7, 2014·Physical Review Letters·Genevieve GariepyP B Corkum
May 7, 2016·Scientific Reports·Wei JiYan-Qing Lu
Jun 11, 2016·Scientific Reports·Abderrahmen TrichiliAndrew Forbes
Nov 10, 2016·Applied Optics·Bereneice SephtonAndrew Forbes

❮ Previous
Next ❯

Citations

Aug 23, 2018·Optics Express·Yong GengZhengjun Liu
May 2, 2020·Optics Letters·Zhi-Yong HuHong-Bo Sun

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.