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 …
On-chip heralded single photon sources
Time correlated photon pairs are used to produce heralded single photon states for quantum
integrated circuits. These states are generated by photon sources, which are called …
integrated circuits. These states are generated by photon sources, which are called …
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 …
Temperature-tunable UV generation using an Alexandrite laser and PPLN waveguides
We present a simple and novel technique for achieving ultra-violet (UV) wavelength-tunable
laser operation in the continuous-wave regime. Wavelength tunable operation in the near …
laser operation in the continuous-wave regime. Wavelength tunable operation in the near …
Optical diagnostic methods for monitoring the poling of thin-film lithium niobate waveguides
We demonstrate two non-destructive methods of studying the gradual poling of thin-film
lithium niobate waveguides by the application of a sequence of high-voltage pulses, and we …
lithium niobate waveguides by the application of a sequence of high-voltage pulses, and we …
Vibrational properties of the potassium titanyl phosphate crystal family
The crystal family of potassium titanyl phosphate (KTiOPO 4) is a promising material group
for applications in quantum and nonlinear optics. The fabrication of low-loss optical …
for applications in quantum and nonlinear optics. The fabrication of low-loss optical …
Characterisation of width-dependent diffusion dynamics in rubidium-exchanged KTP waveguides
Integrated χ^(2) devices are a widespread tool for the generation and manipulation of light
fields, since they exhibit high efficiency, a small footprint and the ability to interface them with …
fields, since they exhibit high efficiency, a small footprint and the ability to interface them with …
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 …
Spatially single mode photon pair source at 800 nm in periodically poled Rubidium exchanged KTP waveguides
Photon pair sources in the visible to NIR wavelength region play a key role in quantum
optics. The wavelength range around 800 nm provides an opportunity for using low cost …
optics. The wavelength range around 800 nm provides an opportunity for using low cost …
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 …