Silicon Photonic 16×16 Cyclic AWGR for DWDM O-band Interconnects

In this article, we present for the first time to our knowledge, a DWDM 16×16 silicon photonic cyclic-frequency AWGR device. The AWGR features a channel spacing of 1.06 nm (189 GHz), a free spectral range of 17.80 nm (3.16 THz) and a 3-dB channel bandwidth of 0.65 nm (116 GHz). Its proper cyclic-fre...

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Bibliographic Details
Published in:IEEE photonics technology letters 2020-10, Vol.32 (19), p.1-1
Main Authors: Fotiadis, K., Pitris, S., Moralis-Pegios, M., Mitsolidou, C., De Heyn, P., Van Campenhout, J., Broeke, R., Alexoudi, T., Pleros, N.
Format: Article
Language:English
Subjects:
Arrayed waveguide grating router (AWGR)
Bandwidths
Crosstalk
Cyclic-frequency routing
Insertion loss
Nonuniformity
O-band
Optical interconnects
Photonics
Silicon
wavelength routing
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Summary:In this article, we present for the first time to our knowledge, a DWDM 16×16 silicon photonic cyclic-frequency AWGR device. The AWGR features a channel spacing of 1.06 nm (189 GHz), a free spectral range of 17.80 nm (3.16 THz) and a 3-dB channel bandwidth of 0.65 nm (116 GHz). Its proper cyclic-frequency operation was experimentally verified for all 16×16 channels with channel peak insertion loss values in the range of 3.90 dB to 8.37 dB, yielding a channel loss non-uniformity of 4.47 dB. Its compact footprint of 0.27 mm × 0.71 mm and its low crosstalk value of 21.65 dB highlight its potential for employment in future AWGR-based interconnect schemes in O-band.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2020.3018410