Abstract

Low-loss conversion among a complete and orthogonal set of optical modes is important for high-bandwidth quantum and classical communication. In this Letter, we explore tunable impedance mismatch between coupled Fabry–Perot resonators as a powerful tool for manipulation of the spatial and temporal properties of optical fields. In the single-mode regime, frequency-dependent impedance matching enables tunable finesse optical resonators. Introducing the spatial dependence of the impedance mismatch enables coherent spatial mode conversion of optical photons at near-unity efficiency. We experimentally demonstrate a NIR resonator whose finesse is tunable over a decade, and an optical mode converter with efficiency ${\gt}75\%$ for the first six Hermite–Gauss modes. We anticipate that this new perspective on coupled multimode resonators will have exciting applications in micro- and nano-photonics and computer-aided inverse design.

© 2020 Optical Society of America

Full Article  |  PDF Article
More Like This
Optically tunable Fano resonance in a grating-based Fabry–Perot cavity-coupled microring resonator on a silicon chip

Weifeng Zhang, Wangzhe Li, and Jianping Yao
Opt. Lett. 41(11) 2474-2477 (2016)

Transversely coupled Fabry–Perot resonators with Bragg grating reflectors

Md Ghulam Saber, Yun Wang, Eslam El-Fiky, David Patel, Kh Arif Shahriar, Md Samiul Alam, Maxime Jacques, Zhenping Xing, Luhua Xu, Nicolás Abadía, and David V. Plant
Opt. Lett. 43(1) 13-16 (2018)

Counter-propagating modes in a Fabry–Perot-type resonator

Markus Pollnau
Opt. Lett. 43(20) 5033-5036 (2018)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Supplementary Material (1)

NameDescription
» Supplement 1       Supplementary theory calculations supporting the main text

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (3)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription