Characteristics of optical parametric oscillator synchronously pumped by Yb:KGW laser and based on periodically poled potassium titanyl phosphate crystal
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.11.057
Abstract: Abstract We present experimental data and numerical simulation results obtained during investigation of synchronously pumped optical parametric oscillator (SPOPO) pumped by femtosecond Yb:KGW laser (central wavelength at 1033 nm). The nonlinear medium for parametric generation was… read more here.
Keywords: optical parametric; periodically poled; synchronously pumped; poled potassium ... See more keywords
Tunable violet radiation in a quasi-phase-matched periodically poled stoichiometric lithium tantalate waveguide by direct femtosecond laser writing
Sign Up to like & getrecommendations! Published in 2020 at "Results in physics"
DOI: 10.1016/j.rinp.2020.103373
Abstract: Abstract We report on violet-light generation using the femtosecond-laser written waveguides in periodically poled MgO:LiTaO3 crystal under conditions of third-order quasi-phase matching. Ten parallel depressed cladding waveguides are successfully fabricated with different grating periods in… read more here.
Keywords: periodically poled; violet; femtosecond laser; tunable violet ... See more keywords
Generation of an ultra-long sub-diffracted second-harmonic optical needle from a periodically poled LiNbO3 crystal
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/1.5142522
Abstract: We experimentally demonstrate the use of a periodically poled LiNbO3 (PPLN) crystal to produce an ultra-long sub-diffraction optical needle via second-harmonic generation. When we input a radially polarized fundamental wave from a femtosecond laser, a… read more here.
Keywords: periodically poled; optical needle; ultra long; harmonic optical ... See more keywords
Optimizing the efficiency of a periodically poled LNOI waveguide using in situ monitoring of the ferroelectric domains
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/1.5142750
Abstract: Lithium niobate on insulator (LNOI) is a unique platform for integrated photonic applications and especially for high-efficiency nonlinear frequency converters because of the strong optical field confinement. In this work, we fabricated a 6-mm-long periodically… read more here.
Keywords: periodically poled; poled lnoi; efficiency periodically; optimizing efficiency ... See more keywords
An Optical Parametric Oscillator in the Mid-IR Range Based on a Fan-out Periodically Poled Structure of Lithium Niobate with a Narrow-Band Seeding Laser
Sign Up to like & getrecommendations! Published in 2021 at "Instruments and Experimental Techniques"
DOI: 10.1134/s0020441221020020
Abstract: The results of experimental studies of the effect of narrow-band seeding radiation of a gas laser on the spectral width of the oscillation line of an optical parametric oscillator (OPO), which is based on a… read more here.
Keywords: based fan; periodically poled; band seeding; optical parametric ... See more keywords
Phase-shifted Solc-type filter based on thin periodically poled lithium niobate in a reflective geometry.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.012016
Abstract: Configurable narrow bandwidth filters are indispensable components in optical communication networks. Here, we present an easily-integrated compact tunable filtering based on polarization-coupling process in a thin periodically poled lithium niobate (PPLN) in a reflective geometry… read more here.
Keywords: periodically poled; reflective geometry; lithium niobate; thin periodically ... See more keywords
Periodically poled ridge waveguides in KTP for second harmonic generation in the UV regime.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.028827
Abstract: Waveguide circuits play a key role in modern integrated optics and provide an appealing approach to scalability in quantum optics. We report on periodically poled ridge waveguides in z-cut potassium titanyl phosphate (KTiOPO4 or KTP),… read more here.
Keywords: periodically poled; poled ridge; ridge waveguides; optics ... See more keywords
Conversion efficiency improvement of terahertz wave generation laterally emitted by a ridge-type periodically poled lithium niobate.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.450876
Abstract: We demonstrate terahertz (THz) wave generation by wavelength conversion in a ridge-type/bulk periodically poled lithium niobate (RT-/bulk-PPLN) under almost the same experimental conditions. When using the RT-PPLN, the ridge structure works as a slab waveguide… read more here.
Keywords: ridge type; conversion; ridge; poled lithium ... See more keywords
Broadband second-harmonic generation in step-chirped periodically poled lithium niobate waveguides.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.450547
Abstract: Periodically poled lithium niobate (PPLN) structures on a chip enable efficient second-order nonlinear optical effects, benefiting from the tight light confinement and the utilization of d33. Here, we report a broadband second-harmonic (SH) generation in… read more here.
Keywords: step chirped; lithium niobate; poled lithium; periodically poled ... See more keywords