Interesting Engineering

Engineers combine 222 laser modes into one fiber using tiny photonic lantern

Engineers demonstrated a new photonic lantern capable of multiplexing 7, 19, and 37 VCSEL lasers into a single multimode ...
EurekAlert!

On-chip differential mode group delay manipulation based on 3D waveguides

Mode Division Multiplexing (MDM) technology stands as a cornerstone for enhancing transmission capacity in fiber-optic communication systems. However, in few-mode fibers, the group velocity ...
IEEE

Full W-Band Circularly Polarized Antenna With Waveguide Polarizer Based on Evanescent and Propagation Modes

Abstract: A novel full W-band circularly polarized (CP) horn antenna is proposed. It contains a rectangular waveguide (RWG) for feeding, a waveguide polarizer based on evanescent and propagation modes ...
Frontiers

Design of an eight-hole directional coupler for W-band cryogenic receivers

For the system noise temperature calibration of the K/Q/W triple-band cryogenic receiver on Tianma Radio Telescope (TMRT), a design of W-band eight-hole waveguide directional coupler is proposed in ...
C&EN

Efficient Second Harmonic Generation via Plasmonic-Photonic Mode Matching in Hybrid Waveguide

School of Physics and Technology, and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University, Wuhan 430072, China ...
IEEE

Design of a Wideband Right-Angle CPWG-to-Waveguide Transition for Ku-Band Applications

Abstract: This letter presents a novel wideband planar coplanar waveguide with ground (CPWG)-to-rectangular waveguide (RWG) transition designed for Ku-band applications. The architecture employs a ...