What Is Gain Chip?

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Tunable laser sources are being used in telecommunications to meet various requirements such as performance optimization, channel security, wavelength conversion, and the replacement of fixed-wavelength distributed feedback lasers. External-cavity lasers have several advantages over other techniques, including high power, a broad tuning range, a high side mode suppression ratio, a narrow linewidth, and high performance, among others.

The broadband gain chip is a superluminescent semiconductor diode that serves as both a broadband light source and a frequency-agile gain medium is at the heart of the external-cavity laser.

What Is Gain Chip?

Gain-chips are identical to laser diode chips except that they have a deep anti-reflective coating on one or both facets, which raises or eliminates the threshold of self-lasing.

Furthermore, gain chips are divided into two categories:

1.      One side optical access (Type A and B)

2.      Two side optical access (Type C and D)

In addition, while choosing the gain chip, make sure you take care of the following criteria:

·        Gain and power

·        Tuning Range

·        Manufacturability, and

·        Reflectivity & design

All these factors are very critical while choosing the perfect gain chips. Make sure, you take note of each one. 

Want to know more? Check out us!!

Inphenix’s is a laser and light source manufacturer based in the United States that offers various Gain Chips in different wavelengths, among other products. At present, we manufacturers gain chips for 820 nm, 1310 nm, and 1550 nm wavelengths that can be used to develop single FBG lasers and tunable external cavity lasers. Visit our website to learn more about our premium quality products and services.


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