[HTML][HTML] Quasi-phase matching waveguides on lithium niobate and KTP for nonlinear frequency conversion: A comparison

CC Kores, C Canalias, F Laurell - APL Photonics, 2021‏ - pubs.aip.org
Established waveguide fabrication technologies on lithium niobate (LN) and potassium
titanyl phosphate (KTP) were revisited, and a comparative analysis of their performance for …

Demonstrating quantum properties of triple photons generated by processes

K Bencheikh, MFB Cenni, E Oudot, V Boutou… - The European Physical …, 2022‏ - Springer
Triple-photon generation (TPG) is based on a third-order nonlinear optical interaction, which
is the most direct way to produce pure quantum three-photon states. These states can …

Watt-level SHG in undoped high step-index PPLN ridge waveguides

V Pecheur, H Porte, J Hauden, F Bassignot… - OSA …, 2021‏ - opg.optica.org
Nonlinear quadratic waveguides are key components to obtain efficient frequency
conversion. In this paper we present the performances of highly multimode periodically …

Ion-exchanged waveguides in periodically poled Rb-doped KTiOPO4 for efficient second harmonic generation

P Mutter, CC Kores, M Widarsson, A Zukauskas… - Optics …, 2020‏ - opg.optica.org
An ion-exchange process has been developed for periodically poled Rb-doped KTiOPO_4
(RKTP) which warrants high efficiency and low loss channel waveguides. The domain …

Birefringence phase-matched direct third-harmonic generation in a ridge optical waveguide based on a KTiOPO4 single crystal

A Vernay, V Boutou, C Félix, D Jegouso, F Bassignot… - Optics …, 2021‏ - opg.optica.org
Birefringence phase-matched third-harmonic generation at 1594 nm is performed for the first
time in a KTiOPO_4 single crystal micrometric ridge waveguide. The energy conversion …

Characteristics of superradiant optical phases occurring in the system of nondegenerate atoms and radiation that are interacting inside a nonlinear quantum cavity

S Samimi, MM Golshan - Physical Review A, 2022‏ - APS
In the present article, we investigate the behavior of a large collection of three-level Λ atoms
interacting with two quantized electromagnetic fields inside a second-order nonlinear …

Quasi-phase matched second harmonic generation in periodically poled Rb-doped KTiOPO4 ridge waveguide

CC Kores, P Mutter, H Kianirad, C Canalias… - Optics …, 2018‏ - opg.optica.org
A 10.8 µm wide ridge waveguide was fabricated by diamond-blade dicing in an ion-
exchanged periodically poled Rb-doped KTiOPO_4 sample. The waveguide was used to …

High efficiency cascaded third-harmonic generation in a quasi-periodically poled KTiOPO4 crystal

A Vernay, L Bonnet-Gamard, V Boutou… - OSA …, 2020‏ - opg.optica.org
We performed and studied cascaded third-harmonic generation (THG) in a quasi-
periodically poled KTP (QPPKTP) crystal allowing simultaneous phase-matching of the two …

Femtosecond Laser Micromachining of Cladding Waveguides in KTiOAsO4 Crystal for Second‐Harmonic Generation

G Li, B Zhang, L Sun, Y Ren, Y Jia… - physica status solidi …, 2021‏ - Wiley Online Library
Second‐harmonic generation (SHG) of green lasers generated in KTiOAsO4 (KTA) cladding
waveguides fabricated by femtosecond laser direct writing (FsLDW) is reported. The …

Evidence of reaction intermediates in microwave-assisted synthesis of SHG active α-La (IO 3) 3 nanocrystals

S Regny, Y Suffren, O Leynaud, I Gautier-Luneau… - …, 2020‏ - pubs.rsc.org
We explore here how, under microwave assisted hydrothermal process, various synthesis
conditions influence the formation of different lanthanum iodate compounds: α-La (IO3) 3, La …