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Updated: Apr 25, 2026

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

1 Gbps directed optical decoder based on two cascaded microring resonators.

Qiaoshan Chen, Fanfan Zhang, Lei Zhang

|August 15, 2014

Summary

This summary is machine-generated.

This study presents an electro-optic optical decoder using cascaded microring resonators. The device successfully converts 2-bit electrical signals into 4-bit optical signals at 1 Gbps.

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Last Updated: Apr 25, 2026

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Published on: May 29, 2014

Area of Science:

Photonics
Optical Communications
Integrated Optics

Background:

Microring resonators (MRRs) are key components in integrated photonics for wavelength-selective filtering and signal processing.
Electro-optic modulation offers a high-speed method for controlling optical signals in integrated devices.
Optical decoders are essential for converting electrical data into optical formats in communication systems.

Purpose of the Study:

To demonstrate an electro-optic directed optical decoder.
To utilize cascaded microring resonators for optical decoding functionality.
To achieve high-speed signal conversion from electrical to optical domains.

Main Methods:

Fabrication of a device integrating two microring resonators (MRRs).
Embedding PN junctions around the MRRs for electro-optic modulation via carrier injection.
Testing the device's performance in decoding a 2-bit electrical signal into a 4-bit optical signal.

Main Results:

Successful implementation of an electro-optic directed optical decoder.
Demonstration of the device's ability to perform a 2-to-4 bit optical decoding function.
Achieved a high operating speed of 1 Gbps for the optical decoding process.

Conclusions:

The proposed electro-optic decoder based on cascaded MRRs is a viable solution for high-speed optical signal processing.
Carrier-injection modulation in PN junctions provides effective control over MRRs for decoding applications.
This technology holds promise for advancing optical communication and computing systems.