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Proceedings Paper • Open Access

Photonic integrated circuits for multi-color laser engines
Author(s): Sebastian Romero-García; Thomas Klos; Edwin Klein; Jonas Leuermann; Douwe Geuzebroek; Joost van Kerkhof; Martin Büscher; Jürgen Krieg; Patrick Leisching; Jeremy Witzens

Paper Abstract

Photonic Integrated Circuits (PIC) will change the fundamental paradigms for the design of multi-color laser engines for life sciences. Exemplified with flow cytometry (FCM), integrated optical technology for visible wavelengths will be shown to open a new spectrum of possibilities to control flow cell illumination patterns, such as the number of output spots, the spot size, and even complex patterns generated by interferometry. Integration of additional optical functions such as variable optical attenuation, wavelength division multiplexing or fast shutters adds value to the PIC. TOPTICA is demonstrating integration of PICs in present Multi-color Laser Engine (MLE) architectures. Multiple wavelengths (405nm, 488nm, 561nm, 640nm) are coupled free space into the chip, leveraging its beam steering COOLAC (Constant Optical Output Level Auto Calibration) technology for automatic realignment, thus overcoming the need of fiber input delivery. Once in the waveguide, the light can be redirected and shaped to a desired output pattern and pitch, reducing the need of discrete optical components. In this work, we will discuss the implementation of various building blocks in PIC technology for MLEs and analyze the advantages over current macroscopic counterparts.

Paper Details

Date Published: 2 March 2017
PDF: 11 pages
Proc. SPIE 10108, Silicon Photonics XII, 101080Z (2 March 2017); doi: 10.1117/12.2250758
Show Author Affiliations
Sebastian Romero-García, RWTH Aachen Univ. (Germany)
Thomas Klos, TOPTICA Photonics AG (Germany)
Edwin Klein, XiO Photonics B.V. (Netherlands)
Jonas Leuermann, RWTH Aachen Univ. (Germany)
Douwe Geuzebroek, XiO Photonics B.V. (Netherlands)
Joost van Kerkhof, XiO Photonics B.V. (Netherlands)
Martin Büscher, Miltenyi Biotec GmbH (Germany)
Jürgen Krieg, Miltenyi Biotec GmbH (Germany)
Patrick Leisching, TOPTICA Photonics AG (Germany)
Jeremy Witzens, RWTH Aachen Univ. (Germany)


Published in SPIE Proceedings Vol. 10108:
Silicon Photonics XII
Graham T. Reed; Andrew P. Knights, Editor(s)

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