Waveguide-integrated three-dimensional quasi-phase-matching structures

J Imbrock, L Wesemann, S Kroesen, M Ayoub, C Denz - Optica, 2020 - opg.optica.org
Nonlinear photonic structures with a modulated second-order nonlinearity are used widely
for quasi-phase-matched parametric processes. Creating three-dimensional (3D) nonlinear …

Cascaded degenerate four-wave mixing generation in thin-film lithium tantalate microdisk cavity

X Yan, M Xue, T Yuan, J Wu, R Ge, Y Chen, X Chen - Physical Review Applied, 2024 - APS
On-chip efficient nonlinear functions are instrumental in escalating the utilities and
performance of photonic integrated circuits, especially for a wide range of classical and …

Multistep parametric processes in nonlinear optics

SM Saltiel, AA Sukhorukov, YS Kivshar - Progress in optics, 2005 - Elsevier
Energy transfer between different modes and phase-matching relations are fundamental
concepts in nonlinear optics. Unlike nonparametric nonlinear processes such as self-action …

Flexible wavelength conversion via cascaded second order nonlinearity using broadband SHG in MgO-doped PPLN

J Zhang, Y Chen, F Lu, X Chen - Optics express, 2008 - opg.optica.org
In this paper, we experimentally demonstrate flexible wavelength conversion, in which the
input signals can be freely converted to output wavelengths through widely and arbitrarily …

Experimental observation of a band wavelength conversion and logic NOT gate at based on sum-frequency generation

J Wang, J Sun, Q Sun - Optics letters, 2006 - opg.optica.org
We have experimentally verified a new idea for 40 Gbit/s wavelength conversion within the
1.5 m band based on sum-frequency generation (SFG) in a periodically poled LiNbO3 …

Thermally assisted growth of bulk domains created by femtosecond laser in magnesium doped lithium niobate

BI Lisjikh, MS Kosobokov, AV Efimov, DK Kuznetsov… - …, 2023 - Taylor & Francis
The domain growth to the polar surfaces from the tracks created by focused NIR
femtosecond pulses in the bulk of MgO-doped lithium niobate plate has been studied. The …

Analysis of novel cascaded/spl chi//sup (2)/(SFG+ DFG) wavelength conversions in quasi-phase-matched waveguides

B Chen, CQ Xu - IEEE journal of quantum electronics, 2004 - ieeexplore.ieee.org
A novel cascaded second-order nonlinear interaction (/spl chi//sup (2)/), which is
simultaneously based on sum frequency generation (SFG) and difference frequency …

Tunable all-optical wavelength broadcasting in a PPLN with multiple QPM peaks

M Ahlawat, A Tehranchi, K Pandiyan, M Cha… - Optics …, 2012 - opg.optica.org
We experimentally demonstrate tunable multiple-idler wavelength broadcasting of a signal
to selective channels for wavelength division multiplexing (WDM). This is based on …

All optical wavelength broadcast based on simultaneous Type I QPM broadband SFG and SHG in MgO: PPLN

M Gong, Y Chen, F Lu, X Chen - Optics letters, 2010 - opg.optica.org
We experimentally demonstrate wavelength broadcast based on simultaneous Type I quasi-
phase-matched (QPM) broadband sum-frequency generation (SFG) and second-harmonic …

Effective multiband synthetic four-wave mixing by cascading quadratic processes

L Chen, Z Ge, SJ Niu, YH Li, ZQZ Han… - Applied Physics …, 2024 - pubs.aip.org
Four-wave mixing (FWM) is an important technique for supercontinuum and frequency comb
generation in the mid-infrared band. Here, we report simultaneous synthetic FWM in both the …