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Updated: Oct 2, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Multiplexed Mach-Zehnder interferometer assisted ring resonator sensor.

Mukesh Yadav, Astrid Aksnes

|February 25, 2022

Summary

This summary is machine-generated.

A novel photonic sensor combines a Mach-Zehnder interferometer with a ring resonator (MARC) to achieve a significantly larger measurement range. This MARC sensor technology enhances free spectral range for improved sensing capabilities.

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Area of Science:

Photonics
Optical Sensing
Interferometry

Background:

Ring resonators are key components in photonic integrated circuits.
Standard ring resonator sensors have limitations in measurement range.
Multiplexing enhances sensor functionality but can complicate spectral analysis.

Purpose of the Study:

To demonstrate a Mach-Zehnder interferometer assisted ring resonator (MARC) configuration for photonic sensing.
To achieve a significantly larger measurement range compared to standard ring resonators.
To verify the multiplexing capability of MARC-based sensors.

Main Methods:

Experimental demonstration of the MARC configuration.
Utilizing unique spectral signatures generated by angular separation in the ring resonator.
Characterizing the measurement range and multiplexing performance.

Main Results:

The MARC sensor exhibited an 8x larger measurement range compared to a standard ring resonator with 135° angular separation.
Successfully distinguished responses from multiplexed two and three ring resonators.
Verified the proof-of-principle for MARC-based multiplexed photonic sensors.

Conclusions:

The MARC configuration effectively enhances the measurement range of ring resonator-based photonic sensors.
MARC sensors offer a compact, inexpensive, and multipurpose platform for various applications.
This technology shows promise for advanced optical sensing and multiplexing.