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Related Experiment Video

Updated: Nov 9, 2025

Fabrication and Testing of Photonic Thermometers

Fabrication and Testing of Photonic Thermometers

Published on: October 24, 2018

Programmable photonic circuits.

Wim Bogaerts^1,2, Daniel Pérez^3,4, José Capmany^3,4

¹IMEC, Department of Information Technology, Ghent University, Ghent, Belgium. wim.bogaerts@ugent.be.

|October 8, 2020

Summary

This summary is machine-generated.

Programmable photonic integrated circuits (PICs) enable versatile chip-scale optical functions. These versatile chips accelerate the development of novel optical functionalities, reducing the need for custom chip fabrication.

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Area of Science:

Integrated photonics
Photonic integrated circuits (PICs)
Optical computing

Background:

Integrated photonic technology is maturing, enabling complex on-chip circuits.
Current PICs are often application-specific.
Increasing complexity allows for software-programmable PICs.

Purpose of the Study:

To discuss the emerging technology of programmable PICs.
To highlight recent developments in photonic building blocks and architectures.
To explore electronic control and programming strategies for these circuits.

Main Methods:

Review of current state-of-the-art in programmable PICs.
Discussion of key components: on-chip waveguides, tunable beam couplers, optical phase shifters.
Examination of electronic control and software programming approaches.

Main Results:

Programmable PICs offer a wide variety of functions through software control.
These circuits are suitable for applications in linear matrix operations, quantum information processing, and microwave photonics.
Generic programmable chips serve as a higher-level platform for prototyping.

Conclusions:

Programmable PICs represent a significant advancement in photonic technology.
They accelerate the development of future photonic circuits by enabling rapid prototyping.
This approach bypasses the need for costly and time-consuming custom chip fabrication.