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Peternella, F.G. (author), Harmsma, P.J. (author), Horsten, R.C. (author), Zuidwijk, T. (author), Urbach, H.P. (author), Adam, A.J.L. (author)A new method for fast, high resolution interrogation of an array of photonic sensors is proposed. The technique is based on the integrated Fourier transform (FT) interrogator previously introduced by the authors. Compared to other interferometric interrogators, the FT-interrogator is very compact and has an unprecedented tolerance to variations...article 2021
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Harmsma, P.J. (author), Crowcombe, W.E. (author), Dresscher, M. (author)Photonic Integrated Circuits (PICs) are a key technology in the realization of laser satellite optical communication systems. Some PIC applications can build on existing fiber optic terrestial networks, other applications are satcom specific.other 2019
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van der Heiden, M.S. (author), Harmsma, P.J. (author), Altmann, R.K. (author), Lucas, P. (author), Thuaire, A. (author), Papanastasiou, D. (author), Favero, I. (author), Sbarra, S. (author), Tamayo, J. (author)Measuring the nano-mechanical properties of viruses opens a new route to identify viruses and to assess their infectiveness. Current targeted techniques, like PCR, are only suitable for confirmation and have a high false positive rate due to cross contamination and DNA strands presents in the blood sample after former infection. The...other 2019
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Tchebotareva, A. (author), Hermans, S.L.N. (author), Humphreys, P.C. (author), Voigt, D. (author), Harmsma, P.J. (author), Cheng, L.K. (author), Verlaan, A.L. (author), Dijkhuizen, N. (author), de Jong, W. (author), Dréau, A. (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 photon....article 2019
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Peternella, F.G. (author), Esselink, T. (author), Dorsman, B. (author), Harmsma, P.J. (author), Horsten, R.C. (author), Zuidwijk, T. (author), Urbach, H.P. (author), Adam, A.L.C. (author)In this paper, the design and the characterization of a novel interrogator based on integrated Fourier transform (FT) spectroscopy is presented. To the best of our knowledge, this is the first integrated FT spectrometer used for the interrogation of photonic sensors. It consists of a planar spatial heterodyne spectrometer, which is implemented...article 2019
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van Gulik, R.J.J. (author), de Boer, B.M. (author), Harmsma, P.J. (author)In this paper, we compare ring resonator and three-port Mach-Zehnder Interferometer (MZI) devices fabricated on silicon-on-insulator for the purpose of refractive index sensing. Their respective sensitivities and limits of detection (LOD) were determined with NaCl solutions. A sensitivity of 113.07 nm per refractive index unit (RIU) and LOD of 2...article 2017
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Bosman, E. (author), van Steenberge, G. (author), Boersma, A. (author), Wiegersma, S. (author), Harmsma, P.J. (author), Karppinen, M. (author), Korhonen, T. (author), Offrein, B.J. (author), Dangel, R. (author), Daly, A. (author), Ortsiefer, M. (author), Justice, J. (author), Corbett, B. (author), Dorrestein, S. (author), Duis, J. (author)A novel method for fabricating a single mode optical interconnection platform is presented. The method comprises the miniaturized assembly of optoelectronic single dies, the scalable fabrication of polymer single mode waveguides and the coupling to glass fiber arrays providing the I/O's. The low cost approach for the polymer waveguide...conference paper 2016
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Nieuwland, R.A. (author), Cheng, L.K. (author), Lemmen, M.H.J. (author), Oostenbrink, R.H. (author), Harmsma, P.J. (author), Schreuder, J.J. (author)An overview of a fiber Bragg based sensor system, developed for in-vivo vascular pressure and temperature sensing, is presented. The focus is on sensor miniaturization and interrogator optimization to reach a viable sensor system.conference paper 2014
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Ullien, D. (author), Harmsma, P.J. (author), Chakkalakkal 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....article 2014
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Chakkalakkal Abdulla, S.M.C. (author), de Boer, B.M. (author), Pozo Torres, J.M. (author), van den Berg, J.H. (author), Abutan, A.E. (author), Hagen, R.A.J. (author), Lo Cascio, D.M.R. (author), Harmsma, P.J. (author)This article presents work on a Silicon-On-Insulator (SOI) compact sensing platform based on Micro Ring Resonators (MRRs). In order to enable correction for variations in environmental conditions (temperature, mechanical stress etc), a study has been performed on the performance of uncoated sensing MRRs, and of SU8- and SiO2-covered reference...conference paper 2014
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Westerveld, W.J. (author), Pozo Torres, J.M. (author), Muilwijk, P.M. (author), Leinders, S.M. (author), Harmsma, P.J. (author), Tabak, E. (author), van den Dool, T.C. (author), van Dongen, K.W.A. (author), Yousefi, M. (author), Urbach, H.P. (author)Strain gauges are widely employed in microelectromechanical systems (MEMS) for sensing of, for example, deformation, acceleration, pressure, or sound [1]. Such gauges are typically based on electronic piezoresistivity. We propose integrated optical sensors which have particular benefits: insensitivity to electromagnetic interference, no danger...conference paper 2013
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- Westerveld, W.J. (author), Pozo Torres, J.M. (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) article 2012
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- Westerveld, W.J. (author), Pozo Torres, J.M. (author), Muilwijk, P.J. (author), Harmsma, P.J. (author), Nieuwland, R.A. (author), van den Berg, J.H. (author), Tabak, E. (author), van den Dool, T.C. (author), Leinders, S.M. (author), van Dongen, K.W.A. (author), Yousefi, M. (author), Urbach, H.P. (author) conference paper 2012
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Chakkalakkal Abdulla, S.M.C. (author), Harmsma, P.J. (author), Nieuwland, R.A. (author), Pozo Torres, J.M. (author), Lemmen, M.H.J. (author), Sadeghian Marnani, H. (author), van den Berg, J.H. (author), Bodis, P. (author)A compact, mass producible Silicon On Insulator (SOI) based pressure sensor consisting of a folded Micro Ring Resonator (MRR) on a circular diaphragm is successfully designed, fabricated and characterized [1-3]. The MRR is designed to be single mode for TE polarized light at 1550 nm. The folded MRR has a total length of 1500 μm which is folded...conference paper 2012
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Chakkalakkal Abdulla, S.M.C. (author), Harmsma, P.J. (author), Nieuwland, R.A. (author), Pozo Torres, J.M. (author), Lemmen, M.H.J. (author), Sadeghian Marnani, H. (author), van den Berg, J.H. (author), Bodis, P. (author), Buskens, P. (author)A compact, mass producible Silicon On Insulator (SOI) based pressure sensor consisting of a folded Micro Ring Resonator (MRR) on a circular diaphragm is successfully designed, fabricated and characterized. An application of pressure deflects the diaphragm, causing stress in the MRR, which elongates the waveguide length and changes the effective...conference paper 2012
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Westerveld, W.J. (author), Pozo Torres, J.M. (author), Harmsma, P.J. (author), Schmits, R. (author), Tabak, E. (author), Leinders, S.M. (author), van Dongen, K.W.A. (author), Urbach, H.P. (author), Yousefi, M. (author)Recently there has been a growing interest in sensing by means of optical microring resonators in photonic integrated circuits (PIC) that are fabricated in silicon-on-insulator (SOI) technology. Taillaert et al. proposed the use of a waveguide based ring resonator as a strain gauge. However, the strong lateral confinement of the light in SOI...conference paper 2011
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- Harmsma, P.J. (author), Cheng, L.K. (author), Lo Cascio, D.M.R. (author), Yousefi, M. (author) conference paper 2011
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Westerveld, W.J. (author), Harmsma, P.J. (author), Schmits, R. (author), Tabak, E. (author), Pozo Torres, J.M. (author), Urbach, H.P. (author), Yousefi, M. (author)Silicon-on-insulator (SOI) technology has become one of the focus platforms for photonic integrated circuits (PICs). The CMOS technology opens the possibility for reliable mass fabrication of cost-effective photonic circuits. Recently there has been a growing interest in direct optical sensing of, for example, temperature, pressure or strain,...conference paper 2011
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- Harmsma, P.J. (author) conference paper 2011
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Hagen, R. (author), Pozo Torres, J.M. (author), Kazmierczak, A. (author), Westerveld, W.J. (author), Harmsma, P.J. (author), van den Berg, J.H. (author), Schmits, R. (author), Yousefi, M. (author), Cabezon, M. (author), Villafranca, A. (author), Izquierdo, D. (author), Garces, J.I. (author)One of the important issues of System-on-a-package integration is the interconnection between independent Photonic Integrated Circuits (PICs). In this work, this issue is addressed by the use of Vertical Grating Couplers (VGCs) as the element for the interconnection between two Silicon-on-Insulator (SOI) PICs. Theoretical simulations using the...conference paper 2011
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