Strong polarization mode coupling in microresonators

Autor(en)

Sven Ramelow, Alessandro Farsi, Stephane Clemmen, Jacob S. Levy, Adrea R. Johnson, Yoshitomo Okawachi, Michael. R. E. Lamont, Michal Lipson, Alexander L. Gaeta

Abstrakt

We observe strong modal coupling between the TE00 and TM00 modes in Si3N4

ring resonators revealed by avoided crossings of the corresponding

resonances. Such couplings result in significant shifts of the resonance

frequencies over a wide range around the crossing points. This leads to

an effective dispersion that is one order of magnitude larger than the

intrinsic dispersion and creates broad windows of anomalous dispersion.

We also observe the changes to frequency comb spectra generated in Si3N4

microresonators due to polarization mode and higher-order mode

crossings and suggest approaches to avoid these effects. Alternatively,

such polarization mode crossings can be used as a tool for dispersion

engineering in microresonators.

Organisation(en)

Quantenoptik, Quantennanophysik und Quanteninformation

Externe Organisation(en)

Cornell University

Journal

Optics Letters

Band

39

Seiten

5134-5137

Anzahl der Seiten

4

ISSN

0146-9592

DOI

https://doi.org/10.1364/OL.39.005134

Publikationsdatum

09-2014

Peer-reviewed

Ja

ÖFOS 2012

103026 Quantenoptik

Schlagwörter

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/a98f18ff-ca47-415e-9c6d-a0b4147fabc1