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Related Experiment Video

Updated: Jun 20, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Avalanche optoelectronic downconverter.

R I Macdonald, K O Hill

|August 28, 2009

Summary

This summary is machine-generated.

This study demonstrates an optoelectronic heterodyne optical receiver using an avalanche photodiode. This innovation eliminates the need for postdetection amplification in optical frequency-domain reflectometers.

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Area of Science:

Optoelectronics
Photonics
Optical engineering

Background:

Optical frequency-domain reflectometry (OFDR) typically requires complex amplification stages.
Avalanche photodiodes (APDs) are sensitive photodetectors often used in optical systems.

Purpose of the Study:

To demonstrate a novel optoelectronic heterodyne optical receiver.
To integrate the functions of mixing and optical detection into a single component.
To simplify the architecture of optical frequency-domain reflectometers.

Main Methods:

An optoelectronic heterodyne optical receiver was designed and fabricated.
An avalanche photodiode was employed as both the optical mixer and detector.
The device was tested within the context of an optical frequency-domain reflectometer system.

Main Results:

Successful demonstration of the integrated optoelectronic heterodyne optical receiver.
The device effectively combined optical mixing and detection functionalities.
Elimination of the requirement for low-noise, high-gain postdetection amplification was achieved.

Conclusions:

The developed avalanche photodiode-based receiver offers a simplified solution for OFDR.
This integrated approach reduces system complexity and potentially cost.
The device shows promise for advancing the performance and practicality of optical reflectometry techniques.