1 September 2006 Flat-top arrayed waveguide grating using a tapered multimode interferometer
Author Affiliations +
A 40-channel 0.8-nm-spaced flat-top silica-based arrayed waveguide grating (AWG) with a tapered multimode interferometer (MMI) at the end of its input waveguide has been experimentally demonstrated for the first time. By adding the MMI, the 1-dB and 3-dB bandwidths are increased to 0.45 and 0.62 nm, respectively. The insertion loss (IS) of the device ranges from 3.8 to 6.8 dB. The IS uniformity is better than 3.0 dB. The crosstalk is better than –25 dB. Compared to the AWG with a rectangular MMI, the AWG with a tapered MMI shows better IS, crosstalk, and ripple.
© (2006) Society of Photo-Optical Instrumentation Engineers (SPIE)
An Junming, An Junming, Yuanda Wu, Yuanda Wu, Hongjie Wang, Hongjie Wang, Jianguang Li, Jianguang Li, Bo Xing, Bo Xing, Xiongwei Hu, Xiongwei Hu, } "Flat-top arrayed waveguide grating using a tapered multimode interferometer," Optical Engineering 45(9), 094601 (1 September 2006). https://doi.org/10.1117/1.2353150 . Submission:


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