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Related Experiment Video

Updated: Jun 22, 2026

Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment
08:48

Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

Published on: November 9, 2015

1310nm silicon evanescent laser.

Hsu-Hao Chang, Alexander W Fang, Matthew N Sysak

    Optics Express
    |June 24, 2009
    PubMed
    Summary

    Researchers developed the first 1310 nm hybrid laser on silicon. This silicon photonics laser operates continuously at high temperatures up to 105°C, demonstrating significant potential for integrated optical systems.

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    Area of Science:

    • Optoelectronics
    • Materials Science
    • Photonics

    Background:

    • Silicon photonics enables integrated optical circuits.
    • High-performance lasers are crucial for optical communication and sensing.
    • Developing on-chip lasers compatible with silicon fabrication is a key challenge.

    Purpose of the Study:

    • To demonstrate the first 1310 nm hybrid laser integrated on a silicon substrate.
    • To evaluate the operational performance of the hybrid laser, particularly its continuous wave (C.W.) operation at elevated temperatures.

    Main Methods:

    • Fabrication of a hybrid laser structure utilizing a silicon substrate.
    • Characterization of the laser's performance under continuous wave operation.
    • Testing the laser's operational stability and output power at various temperatures, up to 105°C.

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    Last Updated: Jun 22, 2026

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    Main Results:

    • Successful demonstration of the first 1310 nm hybrid laser on a silicon platform.
    • Continuous wave (C.W.) operation achieved up to a temperature of 105°C.
    • A room temperature threshold current of 30 mA and a maximum fiber-coupled output power of 5.5 mW were recorded.

    Conclusions:

    • The developed 1310 nm hybrid laser on silicon shows promising high-temperature performance.
    • This advancement is a significant step towards realizing complex silicon photonic integrated circuits with on-chip light sources.
    • The laser's characteristics indicate its potential for applications in optical communication and data centers.