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Performance of balanced detection in a coherent receiver
Yves Painchaud1, Michel Poulin, Michel Morin
1TeraXion inc., 2716 Einstein Street, Québec, Qc, G1P 4S8, Canada. ypainchaud@teraxion.com
This study analyzes balanced detection in coherent receivers, revealing how optical characteristics impact performance. A new parameter is proposed to assess the entire optical front-end
Area of Science:
- Optics and Photonics
- Optical Communications
- Signal Processing
Background:
- Coherent receivers are crucial for high-performance optical communication systems.
- Balanced detection is a key component in coherent receivers, influencing signal quality.
- Understanding the impact of optical front-end characteristics is essential for optimizing receiver performance.
Purpose of the Study:
- To theoretically and experimentally analyze the quality of balanced detection in coherent receivers.
- To investigate the influence of optical front-end characteristics on balanced detection performance.
- To propose a novel parameter for characterizing balanced detection performance across the entire optical front-end.
Main Methods:
- Theoretical analysis of balanced detection principles.
- Experimental validation using optical setups.
- Characterization of optical component impacts on detection quality.
Main Results:
- Detailed analysis of balanced detection quality in coherent receivers.
- Quantification of the impact of specific optical characteristics.
- Introduction of a new performance metric for balanced detection.
Conclusions:
- The performance of balanced detection is significantly affected by optical front-end characteristics.
- The proposed parameter offers a comprehensive method for evaluating balanced detection.
- This work provides insights for optimizing coherent receiver design.
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