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All-polymer arrayed waveguide grating at 850 nm

Design, fabrication, and characterization
: Orghici, R.; Bethmann, K.; Zywietz, U.; Reinhardt, C.; Schade, W.


Optics Letters 41 (2016), Nr.17, S.3940-3943
ISSN: 0146-9592
Fraunhofer HHI ()

In this Letter, a novel all-polymer arrayed waveguide grating (AWG) device with an operating wavelength around 850 nm is reported. The all-polymer AWG consists of polymer ridge waveguides fabricated on a thin poly(methyl methacrylate) foil via microscope projection photolithography. The developed device is suitable to be integrated into optical circuits, e.g., a planar polymer foil and, along with other optical integrated devices, to be used for different sensing applications. The functionality of the device is demonstrated by using a fiber Bragg grating sensor and performing strain measurements.