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Related Experiment Video

Updated: May 6, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

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Published on: November 30, 2012

Compact integrated 1 × N polarization-insensitive optical power splitters via waveguide arrays.

Jack Haines, Pooja U Naik, Nithyanandan Kanagaraj

|August 29, 2025

Summary

This summary is machine-generated.

We developed a compact, polarization-insensitive optical power splitter using silicon nitride waveguides. This device offers uniform power distribution for multiple outputs, ideal for scalable photonic integration.

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Last Updated: May 6, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

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Published on: November 30, 2012

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Area of Science:

Photonics and Optical Engineering
Materials Science

Background:

Polarization-insensitive optical power splitters are crucial for various photonic applications.
Existing polarization-insensitive devices are typically limited to 1x2 configurations.
Compact and scalable solutions are needed for integrated photonic circuits.

Purpose of the Study:

To present a novel compact and polarization-insensitive 1xN optical power splitter.
To demonstrate a 1x5 prototype with uniform power distribution.
To enable scalable and fabrication-tolerant integration in photonic systems.

Main Methods:

Utilizing a non-uniform array of coupled silicon nitride waveguides.
Fabricating and testing a 1x5 prototype device.
Characterizing power distribution across an 80 nm bandwidth in the C + L bands.

Main Results:

Achieved uniform power distribution with low imbalance across a wide bandwidth.
Demonstrated a compact core splitting footprint of 13 µm² per port.
Realized a polarization-insensitive splitter with multiple outputs (N>2).

Conclusions:

The proposed 1xN optical power splitter is compact and polarization-insensitive.
The device offers excellent performance suitable for scalable photonic integration.
This technology advances the development of robust and efficient photonic devices.