Ultra-compact and broadband polarization-insensitive mode-order converting power splitter

Haoqi Chen; Runkui Yao; Pengjun Wang; Qiang Fu; Weiwei Chen; Shixun Dai; Dejun Kong; Jian Lin; Tao Jin; Jun Li; Tingge Dai; Jianyi Yang

doi:10.3788/COL202422.031301

[1] A. H. Atabaki, S. Moazeni, F. Pavanello et al. Integrating photonics with silicon nanoelectronics for the next generation of systems on a chip. Nature, 556, 349(2018).

[2] A. Rahim, T. Spuesens, R. Baets et al. Open-access silicon photonics: current status and emerging initiatives. Proc. IEEE, 106, 2313(2018).

[3] L.-W. Luo, N. Ophir, C. P. Chen et al. WDM-compatible mode-division multiplexing on a silicon chip. Nat. Commun., 5, 3069(2014).

[4] H. Jia, H. Chen, J. Yang et al. Ultra-compact dual-polarization silicon mode-order converter. Opt. Lett., 44, 4179(2019).

[5] Y. Zhao, X. Guo, Y. Zhang et al. Ultra-compact silicon mode-order converters based on dielectric slots. Opt. Lett., 45, 3797(2020).

[6] Z. Guo, S. Wu, J. Xiao. Compact and flexible mode-order converter based on mode transitions composed of asymmetric tapers and subwavelength gratings. J. Lightwave Technol., 39, 5563(2021).

[7] L. H. Frandsen, Y. Elesin, L. F. Frellsen et al. Topology optimized mode conversion in a photonic crystal waveguide fabricated in silicon-on-insulator material. Opt. Express, 22, 8525(2014).

[8] Z. Yuan, Y. Wang, M. Chen et al. Ultra-broadband silicon dual-polarization mode-order converter assisted with subwavelength gratings. European Conference and Exhibition on Optical Communication, We3E.2(2022).

[9] R. Liu, L. Lu, P. Zhang et al. Integrated dual-mode 3-dB power splitter based on multimode interference coupler. IEEE Photon. Technol. Lett., 32, 883(2020).

[10] H. Xu, Y. Shi. Ultra-broadband dual-mode 3 dB power splitter based on a Y-junction assisted with mode converters. Opt. Lett., 41, 5047(2016).

[11] W. Chang, X. Ren, Y. Ao et al. Inverse design and demonstration of an ultracompact broadband dual-mode 3 dB power splitter. Opt. Express, 26, 24135(2018).

[12] Y. Liu, Z. Wang, Y. Liu et al. Ultra-compact mode-division multiplexed photonic integrated circuit for dual polarizations. J. Lightwave Technol., 39, 5925(2021).

[13] H. Shiran, G. Zhang, O. Liboiron-Ladouceur. Dual-mode broadband compact 2 × 2 optical power splitter using sub-wavelength metamaterial structures. Opt. Express, 29, 23864(2021).

[14] H. Xu, G. Zhang, K. H. R. Mojaver et al. Broadband polarization/mode insensitive 3-dB optical coupler for silicon photonic switches. Opt. Express, 31, 14068(2023).

[15] Z. Guo, J. Xiao. Ultracompact mode-order converting power splitter for mid-infrared wavelengths using an MMI coupler embedded with oblique subwavelength grating wires. Opt. Commun., 488, 126850(2021).