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Tchebotareva, A. (author), Hermans, S.L.N. (author), Humphreys, P.C. (author), Voigt, D. (author), Harmsma, P.J. (author), Cheng, Lun K. (author), Verlaan, Ad L. (author), Dijkhuizen, Niels (author), De Jong, Wim (author), Dréau, A.E. (author), Hanson, R. (author)
We report on the realization and verification of quantum entanglement between a nitrogen-vacancy electron spin qubit and a telecom-band photonic qubit. First we generate entanglement between the spin qubit and a 637 nm photonic time-bin qubit, followed by photonic quantum frequency conversion that transfers the entanglement to a 1588 nm...
journal article 2019
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Ullien, D. (author), Harmsma, P.J. (author), Abdulla, S.M.C. (author), De Boer, B.M. (author), Bosma, D. (author), Sudhölter, E.J.R. (author), De Smet, L.C.P.M. (author), Jager, W.F. (author)
Silicon optical microring resonators (MRRs) are sensitive devices that can be used for biosensing. We present a novel biosensing platform based on the application of polyelectrolyte (PE) layers on such MRRs. The top PE layer was covalently labeled with biotin to ensure binding sites for antibodies via a streptavidin-biotin binding scheme....
journal article 2014
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Westerveld, W.J. (author), Pozo, J. (author), Harmsma, P.J. (author), Schmits, R. (author), Tabak, E. (author), Van den Dool, T.C. (author), Leinders, S.M. (author), Van Dongen, K.W.A. (author), Urbach, H.P. (author), Yousefi, M. (author)
Recently there has been growing interest in sensing by means of optical microring resonators in photonic integrated circuits that are fabricated in silicon-on-insulator (SOI) technology. Taillaert et al. [Proc. SPIE6619, 661914 (2007)PSISDG0277-786X10.1117/12.738412] proposed the use of a silicon-waveguide-based ring resonator as a strain gauge....
journal article 2012
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Harmsma, P.J. (author)
doctoral thesis 2000
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