Inverse-designed diamond photonics

Constantin Dory; Dries Vercruysse; Ki Youl Yang; Neil V. Sapra; Alison E. Rugar; Shuo Sun; Daniil M. Lukin; Alexander Y. Piggott; Jingyuan L. Zhang; Marina Radulaski; Konstantinos G. Lagoudakis; Logan Su; Jelena Vučković

doi:10.1038/s41467-019-11343-1

Inverse-designed diamond photonics

Constantin Dory^*, Dries Vercruysse, Ki Youl Yang, Neil V. Sapra, Alison E. Rugar, Shuo Sun, Daniil M. Lukin, Alexander Y. Piggott, Jingyuan L. Zhang, Marina Radulaski, Konstantinos G. Lagoudakis, Logan Su, Jelena Vučković

^*Corresponding author for this work

Physics

Research output: Contribution to journal › Article › peer-review

149 Citations (Scopus)

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Abstract

Diamond hosts optically active color centers with great promise in quantum computation, networking, and sensing. Realization of such applications is contingent upon the integration of color centers into photonic circuits. However, current diamond quantum optics experiments are restricted to single devices and few quantum emitters because fabrication constraints limit device functionalities, thus precluding color center integrated photonic circuits. In this work, we utilize inverse design methods to overcome constraints of cutting-edge diamond nanofabrication methods and fabricate compact and robust diamond devices with unique specifications. Our design method leverages advanced optimization techniques to search the full parameter space for fabricable device designs. We experimentally demonstrate inverse-designed photonic free-space interfaces as well as their scalable integration with two vastly different devices: classical photonic crystal cavities and inverse-designed waveguide-splitters. The multi-device integration capability and performance of our inverse-designed diamond platform represents a critical advancement toward integrated diamond quantum optical circuits.

Original language	English
Article number	3309
Number of pages	7
Journal	Nature Communications
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41467-019-11343-1
Publication status	Published - 25 Jul 2019

Funding

We acknowledge the help of Usha Raghuram and Elmer Enriquez with RIE. This work is financially supported by Army Research Office (ARO) (award no. W911NF1310309), Air Force Office of Scientific Research (AFOSR) MURI Center for Attojoule Nano-Optoelectronics (award no. FA9550-17-1-0002), National Science Foundation (NSF) Division Of Electrical, Communications Cyber Systems (ECCS) (award no. 1838976), and Gordon and Betty Moore Foundation; C.D. acknowledges support from the Andreas Bechtolsheim Stanford Graduate Fellowship and the Microsoft Research Ph.D Fellowship. K.Y.Y. and M.R. acknowledge support from the Nano-and Quantum Science and Engineering Postdoctoral Fellowship. D.M.L. acknowledges support from the Fong Stanford Graduate Fellowship. D.M.L. and A.E.R. acknowledge support from the National Defense Science and Engineering Graduate (NDSEG) Fellowship Program, sponsored by the Air Force Research Laboratory (AFRL), the Office of Naval Research (ONR) and the Army Research Office (ARO). D.V. acknowledges funding from FWO and European Unions Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No. 665501. We thank Google for providing computational resources on the Google Cloud Platform. Part of this work was performed at the Stanford Nanofabrication Facility (SNF) and the Stanford Nano Shared Facilities (SNSF), supported by the National Science Foundation under award ECCS-1542152.

Keywords

diamond photonics
quantum computation
diamond quantum optics

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10.1038/s41467-019-11343-1Licence: CC BY 4.0

Dory-etal-NC-2019-Inverse-designed-diamondFinal published version, 1.73 MBLicence: CC BY 4.0

Cite this

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AU - Lukin, Daniil M.

AU - Piggott, Alexander Y.

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AB - Diamond hosts optically active color centers with great promise in quantum computation, networking, and sensing. Realization of such applications is contingent upon the integration of color centers into photonic circuits. However, current diamond quantum optics experiments are restricted to single devices and few quantum emitters because fabrication constraints limit device functionalities, thus precluding color center integrated photonic circuits. In this work, we utilize inverse design methods to overcome constraints of cutting-edge diamond nanofabrication methods and fabricate compact and robust diamond devices with unique specifications. Our design method leverages advanced optimization techniques to search the full parameter space for fabricable device designs. We experimentally demonstrate inverse-designed photonic free-space interfaces as well as their scalable integration with two vastly different devices: classical photonic crystal cavities and inverse-designed waveguide-splitters. The multi-device integration capability and performance of our inverse-designed diamond platform represents a critical advancement toward integrated diamond quantum optical circuits.

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Inverse-designed diamond photonics

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Konstantinos Lagoudakis

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Inverse-designed diamond photonics

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Konstantinos Lagoudakis

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