Subwavelength metamaterial waveguide phase shifter achieves phase error below ±1.7° over 400 nm bandwidth from 1.35 to 1.75 μm with improved fabrication robustness.
Multimode interference couplers for the conversion and combining of zero- and first-order modes
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Ultra-broadband nanophotonic phase shifter based on subwavelength metamaterial waveguides
Subwavelength metamaterial waveguide phase shifter achieves phase error below ±1.7° over 400 nm bandwidth from 1.35 to 1.75 μm with improved fabrication robustness.