Arbitrary access to optical carriers in silicon photonic mode/wavelength hybrid division multiplexing circuits
Date
2022
Authors
Tan, J.
Xiao, H.
Ma, M.
Zhou, X.
Yuan, M.
Dubey, A.
Boes, A.
Nguyen, T.G.
Ren, G.
Su, Y.
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Journal article
Citation
Optics Letters, 2022; 47(14):3531-3534
Statement of Responsibility
Jianzong Tan, Huifu Xiao, Mingyang Ma, Xudong Zhou, Mingrui Yuan, Aditya Dubey, Andreas Boes, Thach G. Nguyen, Guanghui Ren, Yikai Su, Arnan Mitchell, and Yonghui Tian
Conference Name
Abstract
The manipulation of optical modes directly in a multimode waveguide without affecting the transmission of undesired signal carriers is of significance to realize a flexible and simple structured optical network-on-chip. In this Letter, an arbitrary optical mode and wavelength carrier access scheme is proposed based on a series of multimode microring resonators and one multimode bus waveguide with constant width. As a proof-of-concept, a three-mode (de)multiplexing device is designed, fabricated, and experimentally demonstrated. A new, to the best of our knowledge, phase-matching idea is employed to keep the bus waveguide width constant. The mode coupling regions and transmission regions of the microring resonators are designed carefully to selectively couple and transmit different optical modes. The extinction ratio of the microring resonators is larger than 21.0 dB. The mode and wavelength cross-talk for directly (de)multiplexing are less than −12.8 dB and −19.0 dB, respectively. It would be a good candidate for future large-scale multidimensional optical networks.
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© 2022 Optica Publishing Group.