POET Releases Multi-Product Mask Set to Production
December 3rd, 2020
TORONTO, Ontario, December 3, 2020 – POET Technologies Inc. (“POET” or the “Company”) (TSX Venture: PTK; OTCQX: POETF) a leading designer of Photonic Integrated Circuits (PICs) for the data center and tele-communication markets, announced today that it has launched its first multi-product wafer (MPW) mask set for production. The MPW comprises multiple products, including custom designs for specific applications and customers.
The MPW tape-out, which commits product designs to manufacturing, incorporates all the new features of the Optical Interposer announced in late October and is largely in-line with the product roadmap presented at the Company’s Annual General Meeting in August of 2020. Included are designs for two variants of 100G CWDM4 Optical Engines for two different customers, a 100G design for an LR4 transmit optical sub-assembly (TOSA), a 400G receive optical sub-assembly (ROSA) and a 400G FR4 externally modulated laser (EML)-based Optical Engine, and three different designs for Light Engines, including two operating in the “O-Band” for data communications applications and another in the “C-Band” for sensing and computing applications. The tape-out also includes various test structures for evaluation and incorporation in future product designs.
In electronics and photonics design, a tape-out is the final result of a design process for integrated circuits before they are sent to manufacturing. The tape-out is the point at which a graphic for the photomask of the circuit is sent to the fabrication facility – a milestone frequently celebrated by all those who worked on the project.
New features announced previously and now incorporated into the Optical Interposer enhance critical performance, manufacturability and versatility of the platform. To improve the overall performance of the Optical Interposer in transmitting light without significant losses, POET produced waveguide designs that minimized or eliminated reflections of light at the interface of the laser and the waveguide, a problem that is common in photonic device integration. In addition, the Company incorporated several features that minimize losses as light travels through the device, including its latest generation of Mach-Zehnder Interferometry (“MZI”)-based multiplexers, which reduce the loss of signal from this device to less than 20% (<1.0 dB), believed to be industry-leading performance for this type of device. Improved spot-size converters, able to match different diameters (modes) of light beams (for more efficient coupling between devices), were implemented with losses of less than 10% (<0.5 dB), far exceeding best-in-class. To connect efficiently to off-the-shelf components, such as top-entry photodetectors and vertical cavity surface emitting lasers (VCSELs), POET incorporated improved vertical mirrors into the Optical Interposer, expanding the overall versatility of the platform. The Company designed unique fiber-attach-units (FAUs) with matching passive alignment structures on the Optical Interposer that facilitates alignment while providing a low-loss attachment of POET’s optical engines in customers’ transceivers . Finally, new designs of fiducials on both the Optical Interposer and POET designed lasers better enable sub-micron accuracy for mechanical pick-and-place assembly of components.
“The tape-out that we sent to our silicon fabrication foundry today represents the culmination of many months of design and development work by our team of highly experienced and dedicated engineers and consultants,” commented Dr. Suresh Venkatesan, Chairman and Chief Executive Officer of POET. “We have made tremendous progress in the past few months, refining designs, calibrating our simulation models and preparing for the fabrication of prototype designs of Optical Engines and sub-assemblies. Once fabricated, the Optical Interposer wafers will be sent to POET Singapore or Super Photonics Xiamen (our joint venture with Sanan IC) for component assembly, test and packaging of Alpha prototypes. We intend to use these prototypes to sample prospective customers and to collect additional data that will conclusively demonstrate to customers the superior performance of POET’s Optical Engines. We look forward to announcing specific products over the course of the next several weeks as we continue on our path to the commercialization of POET’s Optical Interposer platform.”
About POET Technologies Inc.
POET Technologies is a design and development company offering integration solutions based on the POET Optical Interposer™ a novel platform that allows the seamless integration of electronic and photonic devices into a single multi-chip module using advanced wafer-level semiconductor manufacturing techniques and packaging methods. POET’s Optical Interposer eliminates costly components and labor-intensive assembly, alignment, burn-in and testing methods employed in conventional photonics. The cost-efficient integration scheme and scalability of the POET Optical Interposer brings value to any device or system that integrates electronics and photonics, including some of the highest growth areas of computing, such as Artificial Intelligence (AI), the Internet of Things (IoT), autonomous vehicles and high-speed networking for cloud service providers and data centers. POET is headquartered in Toronto, with operations in Allentown, PA and Singapore. More information may be obtained at www.poet-technologies.com.
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