研究目的
Designing an endfire transition from coplanar-to-rectangular waveguide (CPW-to-WR3) for operation in the WR3-band (220-320 GHz) to provide connectivity between a monolithically integrated InP-based terahertz photodiode (PD) to a WR3 rectangular waveguide.
研究成果
The proposed CPW-to-WR3 transition design provides a simple, low-cost, and low-loss solution for connecting terahertz photodiodes to rectangular waveguides, with wideband performance across the WR3-band.
研究不足
The design is limited to the WR3-band (220-320 GHz) and requires specific substrate thickness and dimensions for optimal performance.
1：Experimental Design and Method Selection:
The transition is designed using a CPW-fed planar dipole antenna on InP substrate placed in the E-plane of the rectangular waveguide. The design avoids complex integration and packaging techniques.
2：Sample Selection and Data Sources:
The design is based on InP substrate with specific dimensions and properties.
3：List of Experimental Equipment and Materials:
InP substrate, CPW-fed planar dipole antenna, WR3 rectangular waveguide.
4：Experimental Procedures and Operational Workflow:
The transition converts the quasi-TEM CPW mode to the TE10 mode of the rectangular waveguide. Numerical analysis is performed to evaluate performance.
5：Data Analysis Methods:
Performance is evaluated based on insertion loss (IL) and return loss (RL) bandwidths.
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