3 papers
physics.optics2025
Sensing with Twisted Light: Precision Measurement of Fractional Azimuthal Index to Determine Refractive Index
Christopher Perrella, Aman Anil Punse, Anastasiia Zalogina +6
Light beams possessing orbital angular momentum (OAM) have gained significant interest in areas such as optical manipulation, quantum entanglement, and super-resolved imaging. In i…
physics.optics2025
Suspended Z-cut lithium niobate waveguides for stimulated Brillouin scattering
Lisa-Sophie Haerteis, Yan Gao, Aditya Dubey +8
On-chip stimulated Brillouin scattering (SBS) has recently been demonstrated in thin-film lithium niobate (TFLN), an emerging material platform for integrated photonics offering la…
physics.optics2024
One Million Quality Factor Integrated Ring Resonators in the Mid-Infrared
Marko Perestjuk, Rémi Armand, Miguel Gerardo Sandoval Campos +10
We report ring resonators on a silicon germanium on silicon platform operating in the mid-infrared wavelength range around 3.5 - 4.6 μm with quality factors reaching up to one mil…