On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections
Photonics integrated circuitry would benefit considerably from the ability to arbitrarily control
waveguide cross-sections with high precision and low loss, in order to provide more …
waveguide cross-sections with high precision and low loss, in order to provide more …
Quasi-phase matching waveguides on lithium niobate and KTP for nonlinear frequency conversion: A comparison
Established waveguide fabrication technologies on lithium niobate (LN) and potassium
titanyl phosphate (KTP) were revisited, and a comparative analysis of their performance for …
titanyl phosphate (KTP) were revisited, and a comparative analysis of their performance for …
Highly tunable second-harmonic generation in all-optically poled silicon nitride waveguides
The availability of nonlinear parametric processes, such as frequency conversion in
photonic integrated circuits is essential. In this contribution, we demonstrate a highly tunable …
photonic integrated circuits is essential. In this contribution, we demonstrate a highly tunable …
Ion-exchanged waveguides in periodically poled Rb-doped KTiOPO4 for efficient second harmonic generation
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 …
(RKTP) which warrants high efficiency and low loss channel waveguides. The domain …
Tunable violet radiation in a quasi-phase-matched periodically poled stoichiometric lithium tantalate waveguide by direct femtosecond laser writing
We report on violet-light generation using the femtosecond-laser written waveguides in
periodically poled MgO: LiTaO 3 crystal under conditions of third-order quasi-phase …
periodically poled MgO: LiTaO 3 crystal under conditions of third-order quasi-phase …
Birefringence phase-matched direct third-harmonic generation in a ridge optical waveguide based on a KTiOPO4 single crystal
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 …
time in a KTiOPO_4 single crystal micrometric ridge waveguide. The energy conversion …
Investigation of PPLN waveguide uniformity via second harmonic generation spectra
Experimental data collection methods and a corresponding numerical model are presented
to investigate the quality of waveguide fabrication in nonlinear optics. The method utilises …
to investigate the quality of waveguide fabrication in nonlinear optics. The method utilises …
750 nm laser based on an BaGa4Se7 optical parametric oscillator
Y Ma, H Kong, H Shao, J Zou, B Liu, Y Wang, B Shi… - Optics …, 2024 - opg.optica.org
The red edge effect of plants is extensively utilized in vegetation remote sensing, particularly
by applying hyperspectral LiDAR (HSL) technology. This technology effectively captures …
by applying hyperspectral LiDAR (HSL) technology. This technology effectively captures …
High-contrast coercive field engineering for periodic poling of RbKTiOPO4 with Ba2+/K+ ion-exchange
We investigate a new method of coercive field engineering for periodic poling of
RbKTiOPO_4 (RKTP). By ion exchanging RKTP in a molten salt containing 7 mol% Ba …
RbKTiOPO_4 (RKTP). By ion exchanging RKTP in a molten salt containing 7 mol% Ba …
Femtosecond laser inscribed Yb: LuAG waveguides: guiding performance, micro-spectroscopy characterizations, and refractive index reconstruction
WJ Tang, CL Jia, Y Liao, K Liu, L Qiu - Optical Materials Express, 2022 - opg.optica.org
We report on fabrication of dual-line waveguides in Yb: LuAG crystal by 1030-nm
femtosecond laser inscription, 450 fs pulses at a 100 kHz repetition rate. The efficient single …
femtosecond laser inscription, 450 fs pulses at a 100 kHz repetition rate. The efficient single …