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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Published on: May 30, 2014

Novel coherent self-heterodyne receiver based on phase modulation detection.

Tam N Huynh¹, Lim Nguyen, Liam P Barry

¹Rince Institute, School of Electronics Engineering, Dublin City University, Dublin 9, Ireland. ngoc.huynh2@mail.dcu.ie

|March 16, 2012

Summary

A new coherent self-heterodyne receiver simplifies optical front-ends using phase modulation detection. This novel structure was validated in simulations and experiments for 10 Gb/s DQPSK systems.

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Area of Science:

Optical Communications
Signal Processing

Background:

Coherent optical receivers are crucial for high-speed data transmission.
Current receiver designs can be complex, increasing cost and power consumption.

Purpose of the Study:

To introduce a simplified coherent self-heterodyne receiver structure.
To leverage phase modulation detection for improved receiver design.

Main Methods:

Proposed a novel coherent self-heterodyne receiver architecture.
Utilized phase modulation detection techniques.
Validated the design through system simulations.
Conducted experimental verification for a 10 Gb/s DQPSK system.

Main Results:

Demonstrated the feasibility of the proposed receiver structure.
Successfully applied the scheme to a 10 Gb/s DQPSK transmission system.
Showcased potential for front-end simplification in coherent optical receivers.

Conclusions:

The novel coherent self-heterodyne receiver based on phase modulation detection offers a simplified approach.
The demonstrated system is suitable for high-speed optical communication applications like 10 Gb/s DQPSK.