Broadband low loss and ultra-low crosstalk waveguide crossings based on a multimode interferometer for 840 nm operation

S Nevlacsil, P Muellner, M Sagmeister, J Kraft… - OSA …, 2020 - opg.optica.org
… The angled waveguide approach exhibited comparatively high … The subwavelength grating
based waveguide crossing … In our design we chose MMI type waveguide crossings because …

A parallel design scheme for ultra-compact silicon waveguide crossing based on the tapered multimode interference coupler

R Zhang, S Sun, J Wang, H Hou… - Journal of …, 2022 - spiedigitallibrary.org
silicon waveguide crossing and polarization-insensitive waveguide crossing based on MMI
… The transition taper is composed of a right-angled trapezoid, and the smallest gap between …

Subwavelength structured silicon waveguides and photonic devices

L Sun, Y Zhang, Y He, H Wang, Y Su - Nanophotonics, 2020 - degruyter.com
… Figure 13: Experimental demonstration of a mode-order converter with tilted subwavelength
… of MMI crossings to achieve low index contrast and reduce the ILs. A 101×101 MMI crossing

Experimental demonstration of a broadband mode converter and multiplexer based on subwavelength grating waveguides

D González-Andrade, A Dias… - Optics & Laser …, 2020 - Elsevier
… /demux based on an SWG MMI has been experimentally demonstrated for the first time. Our
device exploits the dispersion engineering of SWG metamaterial waveguides to overcome …

[HTML][HTML] Polarization insensitive metamaterial engineered multimode interference coupler in a 220 nm silicon-on-insulator platform

C Pérez-Armenta, A Ortega-Moñux… - Optics & Laser …, 2023 - Elsevier
waveguide and transition tapers between conventional silicon wire interconnecting waveguides
… Our MMI device has a footprint of only 3.5 µm × 47.25 µm and was fabricated using a …

Scalable and compact silicon mode multiplexer via tilt waveguide junctions with shallow etched slots

X Guo, Y Liu, J Du, Q Song, K Xu - Journal of Lightwave Technology, 2022 - opg.optica.org
… regimes such as waveguide bending [8]–[11], crossing [12]–[… Though the device footprints
of such MMI-based multiplexers … mode multiplexer based on cascaded tilt waveguide junctions …

Recent Progress in Light Polarization Control Schemes for Silicon Integrated Photonics

H Zafar, MF Pereira - Laser & Photonics Reviews, 2024 - Wiley Online Library
… as a thin-film reflector or waveguide crossing for various polarizations, thanks to the tailored
… ] proposed a PS incorporating a tilted SWG MMI section (Figure 13f). By using a tilted SWG, …

Silicon integrated nanophotonic devices for on-chip multi-mode interconnects

H Xu, D Dai, Y Shi - Applied Sciences, 2020 - mdpi.com
… a tilted joint section [26]. The two-channel mode (de)multiplexer can also be realized by using
a 2 × 2 MMI coupler (L MMI … light propagation profiles for the MMI-based crossings with L f …

Silicon-based arrayed waveguide gratings for WDM and spectroscopic analysis applications

J Zou, F Sun, C Wang, M Zhang, J Wang, T Lang… - Optics & Laser …, 2022 - Elsevier
… , the AWG layout with tilted star couplers has been proposed … On the other hand, the number
of waveguide crossings for … , one TE path undergoes 14 crossings before propagating to one …

Compact silicon photonic-lantern mode (de) multiplexer based on tilt slot waveguide

Y Liu, R Wu, Y Chen, X Qiao - Optics Express, 2024 - opg.optica.org
… Among them, Y-junction and MMI structures have broad bandwidth and good fabrication …
-order modes have opposite trends and have a crossing point, which is the phase matching …