Heterogeneous integration of KY(WO4)2-on-glass: A bonding study

Carlijn I. Van Emmerik, Raimond Frentrop, Meindert Dijkstra, Frans Segerink, Roy Kooijman, Muhammad Muneeb, Gunther Roelkens, Elise Ghibaudo, Jean-emmanuel Broquin, Sonia M. Garcia-blanco

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Abstract

Rare-earth ion doped potassium yttrium double tungstate, RE:KY(WO4)2, is a promising candidate for small, power-efficient, on-chip lasers and amplifiers. There are two major bottlenecks that complicate the realization of such devices. Firstly, the anisotropic thermal expansion coefficient of KY(WO4)2 makes it challenging to integrate the crystal on glass substrates. Secondly, the crystal layer has to be, for example, <1 µm to obtain single mode, high refractive index contrast waveguides operating at 1550 nm. In this work, different adhesives and bonding techniques in combination with several types of glass substrates are investigated. An optimal bonding process will enable further processing towards the manufacturing of integrated active optical KY(WO4)2 devices.
Original languageEnglish
Pages (from-to)2065-2076
Number of pages12
JournalOSA Continuum
Volume2
Issue number6
DOIs
Publication statusPublished - 15 Jun 2019

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Yttrium
Glass
Crystals
tungstates
glass
Substrates
yttrium
adhesives
Rare earths
crystals
Thermal expansion
Potassium
thermal expansion
Refractive index
potassium
Adhesives
Waveguides
rare earth elements
manufacturing
amplifiers

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Van Emmerik, Carlijn I. ; Frentrop, Raimond ; Dijkstra, Meindert ; Segerink, Frans ; Kooijman, Roy ; Muneeb, Muhammad ; Roelkens, Gunther ; Ghibaudo, Elise ; Broquin, Jean-emmanuel ; Garcia-blanco, Sonia M. / Heterogeneous integration of KY(WO4)2-on-glass : A bonding study. In: OSA Continuum. 2019 ; Vol. 2, No. 6. pp. 2065-2076.
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abstract = "Rare-earth ion doped potassium yttrium double tungstate, RE:KY(WO4)2, is a promising candidate for small, power-efficient, on-chip lasers and amplifiers. There are two major bottlenecks that complicate the realization of such devices. Firstly, the anisotropic thermal expansion coefficient of KY(WO4)2 makes it challenging to integrate the crystal on glass substrates. Secondly, the crystal layer has to be, for example, <1 µm to obtain single mode, high refractive index contrast waveguides operating at 1550 nm. In this work, different adhesives and bonding techniques in combination with several types of glass substrates are investigated. An optimal bonding process will enable further processing towards the manufacturing of integrated active optical KY(WO4)2 devices.",
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Van Emmerik, CI, Frentrop, R, Dijkstra, M, Segerink, F, Kooijman, R, Muneeb, M, Roelkens, G, Ghibaudo, E, Broquin, J & Garcia-blanco, SM 2019, 'Heterogeneous integration of KY(WO4)2-on-glass: A bonding study' OSA Continuum, vol. 2, no. 6, pp. 2065-2076. https://doi.org/10.1364/OSAC.2.002065

Heterogeneous integration of KY(WO4)2-on-glass : A bonding study. / Van Emmerik, Carlijn I.; Frentrop, Raimond; Dijkstra, Meindert; Segerink, Frans; Kooijman, Roy; Muneeb, Muhammad; Roelkens, Gunther; Ghibaudo, Elise; Broquin, Jean-emmanuel; Garcia-blanco, Sonia M.

In: OSA Continuum, Vol. 2, No. 6, 15.06.2019, p. 2065-2076.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Van Emmerik, Carlijn I.

AU - Frentrop, Raimond

AU - Dijkstra, Meindert

AU - Segerink, Frans

AU - Kooijman, Roy

AU - Muneeb, Muhammad

AU - Roelkens, Gunther

AU - Ghibaudo, Elise

AU - Broquin, Jean-emmanuel

AU - Garcia-blanco, Sonia M.

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