Canadian Manufacturing

POET Technologies targets new markets for co-packaged optics with LightBar-C product

POET’s wafer-scale hybrid integration approach simplifies the manufacturing, assembly and testing of the passively assembled optical sub-system.

February 23, 2021  by CM Staff

TORONTO — POET Technologies Inc., announced that it has extended the Optical Interposer into new applications and markets with a multiplexed light-source for optical computing chipsets and sensing applications, named “LightBar-C™”.

The POET Optical Interposer platform has been extended and validated with the intrinsic features to support Conventional Band (“C-band”) and Long Band (“L-band”) lasers that produce light in a frequency range of 1530nm to 1625nm. POET has designed, developed and demonstrated cooled lasers for the Optical Interposer platform with up to 90mW of power operating at room temperature.

The Company’s first product to incorporate all of these features is the POET LightBar-C, which includes integrated spot-size converters that minimize coupling losses and increase power efficiency of components, such as multiplexers and detectors. The product provides low-loss fiber and free-space coupling, all specifically developed for highly integrated solutions within the C-band frequencies. The LightBar-C also utilizes a versatile and integrated laser source with multiple wavelengths (from 2 up to 8) multiplexed in the C-Band.

The optical bandwidth in the C-band is in the “eye-safe” region, which makes it ideal for free-space sensing applications. Consequently, C-band light solutions are expected to be foundational to the next generation of LiDAR solutions where high sensitivity, high power, reduced atmospheric influence and eye safety are presumed to be essential requirements.

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“The mega trends of Cloud Computing, 5G Communications and the rapid growth of Artificial Intelligence are spawning numerous applications and driving increasing volume demands for both high-performance lasers and integrated photonics solutions. These applications require a step function improvement in packaging and scalability,” commented Dr. Suresh Venkatesan, Chairman & CEO of POET Technologies.

As with previously announced Optical Interposer-based solutions, POET’s unique method of hybrid integration enables products with small form-factors and high performance. POET’s wafer-scale hybrid integration approach simplifies the manufacturing, assembly and testing of the passively assembled optical sub-system.


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