Publications by Arman Ayan | EPFL Graph Search

Parametric Wavelength Conversion in Waveguiding Structures: Efficiency, Bandwidth and Polarization

Photonics integrated circuits are a promising solution for the growing demands of data transmission and future system-on-chip technologies. Within this context, nonlinear optical interactions offer unique opportunities for all-optical processing, sampling, ...

EPFL2024

Towards efficient broadband parametric conversion in ultra-long Si3N4 waveguides

Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Arman Ayan

Broadband continuous-wave parametric gain and efficient wavelength conversion is an important functionality to bring on-chip. Recently, meter-long silicon nitride waveguides have been utilized to obtain continuous-traveling-wave parametric gain, establishi ...

Optica Publishing Group2023

Continuous-Wave Four-Wave Mixing Efficiency-Bandwidth Tradeoff Study in Meter-Long Silicon Nitride Waveguides

Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Arman Ayan

Continuous-wave four-wave mixing conversion efficiency-bandwidth trade-off in silicon nitride waveguides is investigated to reach efficient and broadband wavelength conversion. Additionally, parametric gain and efficient cascaded four-wave mixing is observ ...

2022

Polarization selective ultra-broadband wavelength conversion in silicon nitride waveguides

Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Arman Ayan, Florent Gilles Mazeas

We experimentally demonstrate broadband degenerate continuous-wave four-wave mixing in long silicon nitride (Si3N4) waveguides for operation both in the telecommunication L-band and the thulium band near 2 mu m by leveraging polarization dependence of the ...

OPTICAL SOC AMER2022

Polarization selective ultra-braodband wavelength conversion in silicon nitride waveguide

Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Arman Ayan, Florent Gilles Mazeas

We report broadband continuous-wave frequency conversion from the O-band (1.33 μm) to the short-wave infrared (2.6 μm) in a 50 cm long low-loss Si3N4 waveguide, leveraging polarization selective far-detuned phase matching. ...

IEEE2021

Design and analysis of depolarized four-wave mixing in dhalcogenide photonic crystal fibers

Camille Sophie Brès, Svyatoslav Kharitonov, Arman Ayan

IEEE2021