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Creators/Authors contains: "McConnell, Robert"

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  1. ; ; ; ; ; ; ; ; ; (, Optics Letters)
    In this work, we design and experimentally demonstrate the first, to the best of our knowledge, integrated polarization splitters and rotators at blue wavelengths. We develop compact and efficient designs for both a polarization splitter and rotator at a 422-nm wavelength, an important laser-cooling transition for88Sr+ions. These devices are fabricated in a 200-mm wafer-scale process and experimentally demonstrated, resulting in a measured polarization-splitter transverse-electric thru-port coupling of 98.0% and transverse-magnetic tap-port coupling of 77.6% for a compact 16-µm-long device and a polarization-rotator conversion efficiency of 92.2% for a separate compact 111-µm-long device. This work paves the way for more sophisticated integrated control of trapped-ion and neutral-atom quantum systems. 
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  2. ; ; ; ; ; ; ; ; (, Physical Review Letters)
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  3. ; ; ; ; ; ; ; ; ; ; et al (, Optica Publishing Group)
    This talk reviews photonic integrated circuit materials, devices and integration techniques developed at MIT Lincoln Laboratory to support the needs of next generation quantum systems across the wavelength spectrum from the near-ultraviolet to the midwave-infrared. 
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  4. ; ; ; ; ; ; ; ; ; ; et al (, 2023 IEEE Photonics Society Summer Topicals Meeting Series (SUM))
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  5. ; ; ; ; ; ; ; ; ; ; et al (, Frontiers in Optics + Laser Science 2023 (FiO, LS))
    We design and experimentally demonstrate the first pair of integrated TE- and TM- emitting gratings at a wavelength of 422nm, targeting the 52s1/2-52p1/2transition of88Sr+ions, to enable operations requiring diverse polarizations for integrated-photonics-based trapped-ion quantum systems. 
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  6. ; ; ; ; ; ; ; ; ; ; et al (, Frontiers in Optics + Laser Science)
    We develop a framework for two advanced trapped-ion cooling schemes, polarization-gradient and electromagnetically-induced-transparency cooling, for88Sr+ions using a visible-wavelength integrated-photonics platform and present the design of the key integrated devices. 
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