Quantum Technologies

Selected publications demonstrating OptiGrate chirped volume Bragg gratings and narrowband filters in neutral-atom quantum computing, optical quantum processing, and quantum networking.

# Publication Journal, Volume and Pages Application Summary Article
1 Levine et al., “Dispersive Optical Systems for Scalable Raman Driving of Hyperfine Qubits” Physical Review A, Vol. 105, No. 3, Article 032618 (2022) 795 nm CBG enabled scalable Raman control of approximately 300 87Rb neutral-atom qubits for quantum computing applications. Article
2 Bluvstein et al., “A Quantum Processor Based on Coherent Transport of Entangled Atom Arrays” Nature, Vol. 604, No. 7906, pp. 451-456 (2022) 795 nm CBG used for phase-to-amplitude conversion for global single-qubit Raman rotations. Article
3 Kawasaki et al., "Broadband Generation and Tomography of Non-Gaussian States for Ultra-Fast Optical Quantum Processors" Nature Communications, Vol. 15, Article 53408 (2024) 20 GHz FWHM VBG used for herald-channel filtering. Article
4 Schäfer et al., "Two-Stage, Low Noise Quantum Frequency Conversion of Single Photons from Silicon-Vacancy Centers in Diamond to the Telecom C-Band" Advanced Quantum Technologies, Article 202300228 (2025) 25 GHz FWHM VBG used for noise filtering after conversion to telecom C-band. Article
5 Evered et al., “A Tweezer Array with 6,100 Highly Coherent Atomic Qubits” Nature, Vol. 647, pp. 60-67 (2025) 894 nm CBG was used for Raman spectroscopy and coherent control in a 6,100-qubit neutral-atom quantum processor. Article