QSI Laser

QSI Laser is a specialized manufacturer of compound semiconductor devices, primarily producing optoelectronic components such as laser diodes and red-emitting LEDs. The company offers foundry services in areas including VCSELs, Micro LEDs, and RF devices. With comprehensive capabilities spanning from epitaxial growth to packaging technologies, QSI provides laser diodes covering a wide wavelength range of 635–680 nm and 780–940 nm. The company is evolving into a total solutions provider for compound semiconductors.

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