Broadband second-harmonic generation in an angle-cut lithium niobate-on-insulator waveguide by a temperature gradient

Y Tang, T Ding, C Lu, J Qiu, Y Zhang, Y Huang, S Liu… - Optics Letters, 2023 - opg.optica.org
Frequency conversion via nonlinear wave mixing is an important technology to broaden the
spectral range of lasers, propelling their applications in optical communication …

CMOS-compatible Source Design for Visible-Telecom Photon-Pairs with Simultaneous Polarization-Entanglement and Spectral-Purity

J Ghosh, V Venkataraman - IEEE Journal of Selected Topics …, 2025 - ieeexplore.ieee.org
We propose integrated photonic sources based on spontaneous four-wave mixing (SFWM)
in dispersion engineered silicon nitride (SiN) nanowaveguides capable of generating …

Spectral purity of telecom photon pairs from on-chip LNOI waveguides: comparison between analytical and numerical calculations

VK Yadav, V Venkataraman, J Ghosh - Quantum Information Processing, 2024 - Springer
The spectral correlation information of photon pairs generated from a quantum light source,
based on nonlinear optical processes, is beneficial in determining the potential application …

Avoiding lateral mode leakage in thin film lithium niobate waveguides for the generation of spectrally pure photons at telecom wavelengths

M Arora, P Chokkara, J Lugani - arXiv preprint arXiv:2402.05694, 2024 - arxiv.org
Photonic integrated optical components, notably straight waveguides, serve as pivotal
elements for on-chip generation and manipulation of quantum states of light. In this work, we …

Polarization-entangled Photon-pair Generation in Thin-film Lithium Niobate Waveguides

P Kumar, S Saravi, T Pertsch, F Setzpfandt - Quantum 2.0, 2024 - opg.optica.org
Polarization-entangled photon-pair states are useful for quantum applications. Here, we
propose generation of these states with controlled spectral properties using doubly …

Singly poled thin film lithium niobate waveguide as a tunable source of photon pairs across telecom band

M Arora, J Arya, P Chokkara, J Lugani - arXiv preprint arXiv:2411.17369, 2024 - arxiv.org
Spontaneous parametric down conversion (SPDC), especially in non-linear waveguides,
serves as an important process to generate quantum states of light with desired properties …

Study of spectral decorrelation in photon pair generation using thin film lithium niobate

M Muskan, C Pranav, J Lugani - Quantum 2.0, 2023 - opg.optica.org
Study of spectral decorrelation in photon pair generation using thin film lithium niobate Page 1
Study of spectral decorrelation in photon pair generation using thin film lithium niobate Muskan …

[PDF][PDF] PPLN-waveguide based entangled-photon sources for multi-user QKD over metropolitan-scale fiber-optic networks

VK Yadav - 2024 - iitd.ac.in
Entangled quantum states generated in a variety of systems such as photons, electrons,
atoms, ions, etc., owing to their ability to retain their correlations over large distances for long …

Photon-pair generation and nonlinear interference in nanophotonic waveguides

P Kumar - db-thueringen.de
This thesis explores photon-pair generation via spontaneous parametric down-conversion
(SPDC) in nanophotonic waveguides and the use of integrated nonlinear interferometers for …