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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Making smart phones smarter with photonics.

Jerome Lapointe, Mathieu Gagné, Ming-Jun Li

|July 1, 2014

Summary

Corning® Gorilla® Glass can be used to create high-quality photonic devices, like temperature sensors, using femtosecond lasers. This research demonstrates its potential for novel sensing applications and secure authentication systems.

Area of Science:

Materials Science
Optics and Photonics
Laser Technology

Background:

Corning® Gorilla® Glass is widely used in mobile devices for its durability.
Femtosecond laser inscription is a technique for fabricating optical components.

Purpose of the Study:

To investigate the feasibility of fabricating photonic devices in Corning® Gorilla® Glass using femtosecond lasers.
To demonstrate novel applications such as temperature sensing and authentication systems.
To characterize the optical properties of waveguides created in this glass.

Main Methods:

Femtosecond laser inscription was employed to fabricate waveguides within Corning® Gorilla® Glass.
Optical loss measurements were performed to assess waveguide quality.
Waveguide fabrication speed and length were optimized.

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Main Results:

High-quality multimode waveguides with a record low loss of 0.027 dB/cm were fabricated.
High-quality single-mode waveguides were created at a record speed of 300 mm/s.
Long, high-quality waveguides up to 1 meter were successfully inscribed.
Gorilla Glass proved to be an excellent host for waveguides located just below the surface.

Conclusions:

Corning® Gorilla® Glass is a suitable material for fabricating high-performance photonic devices using femtosecond lasers.
The demonstrated waveguides have significant potential for integrated optical sensing and security applications.
Femtosecond laser inscription offers a versatile method for creating complex optical functionalities in durable glass substrates.