Visible-to-mid-IR tunable frequency comb in nanophotonics

Copyright and License

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Acknowledgement

The device nanofabrication was performed at the Kavli Nanoscience Institute (KNI) at Caltech. This work was supported by a NASA Space Technology Graduate Research Opportunities Award. The authors thank NTT Research for their financial and technical support. The authors thank Dr. Mahmood Bagheri for loaning the Mid-IR optical spectrum analyzer. The authors gratefully acknowledge support from ARO grant no. W911NF-23-1-0048, AFOSR award FA9550-20-1-0040, NSF Grant No. 1846273, and 1918549, NASA, and Center for Sensing to Intelligence at Caltech.

Contributions

These authors contributed equally: Arkadev Roy, Luis Ledezma.

A.R., L.L., L.C. and R.G. performed the experiments. L.L. fabricated the chip with help from R.S. A.R., L.L. and R.G. performed the numerical simulations. Q.G., M.L. and R.M.B. contributed to the design, discussions, and debugging. A.R. and A.M. wrote the manuscript with input from all authors. A.M. supervised the project.

Data Availability

Source data are available for this paper and can be found at the Figshare link. All other data that support the plots within this paper and other findings of this study are available from the corresponding author upon reasonable request.

Code Availability

The codes that support the findings of this study are available from the corresponding author upon reasonable request.

Conflict of Interest

L.L., R.M.B., and A.M. are inventors on granted U.S. patent 11,226,538 covering thin-film optical parametric oscillators. L.L., A.M., A.R., R.S., and R.G. are inventors on a U.S. provisional patent application filed by the California Institute of Technology (application number 63/466,188) on 12 May 2023. L.L., A.M., and R.G. are inventors on a U.S. provisional patent application filed by the California Institute of Technology (application number 63/434,015) on 20 December 2022. L.L. and A.M. are involved in developing photonic integrated nonlinear circuits at PINC Technologies Inc. L.L. and A.M. have an equity interest in PINC Technologies Inc. The other authors declare that they have no competing interests.