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  • POET Technologies (PTK) has entered the telecom market with its 100G LR4 long reach optical engine
  • The company finalized the design of its 100G LR4 optical engine with a reach of 10 km for client-side interconnects
  • The company’s advantage lies in integrating fully monolithic four-channel multiplexing and demultiplexing functionality directly into its waveguides
  • The optical engines will be powered by 25 Gb/s Directly Modulated Lasers from Sanan Integrated Circuits
  • Assembly, manufacture and sales of the engines will be accomplished through POET’s joint venture with Sanan and Super Photonics Xiamen
  • POET Technologies offers integration solutions based on its Optical Interposer, a platform that integrates electronic and photonic devices
  • POET Technologies (PTK) is up by 5.38 per cent and is currently trading at C$0.98 per share

POET Technologies (PTK) has entered the telecom market with its 100G LR4 long reach optical engine.

The company finalized the design of its 100G LR4 optical engine with a reach of 10 km for client-side interconnects to data centers, enterprises and edge computing networks.

POET’s focus on CWDM4 and LR4 designs is based on its differentiating capability to integrate fully monolithic four-channel multiplexing and demultiplexing functionality directly into its waveguides, avoiding the costly requirement to align and couple additional devices into a transceiver module.

POET’s LR4 design converts four input channels of 25 Gb/s electrical data into four LAN WDM (wavelength division multiplexing) optical signals and then multiplexes them into a single channel for 100 Gb/s optical transmission along a single fiber.

According to LightCounting, prices for 100G LR4 modules have stabilized due to there being no room for cost reductions using the traditional manufacturing approach. This cost barrier allows POET to provide competitive designs for this segment and take advantage of a large market opportunity.

The optical engines will be powered by 25 Gb/s Directly Modulated Lasers from Sanan Integrated Circuits, who will also be sourcing the monitor photodiodes and high-speed photodiodes for the optical engine.

Assembly, manufacture and sales of these optical engines will be accomplished through POET’s joint venture with Sanan and Super Photonics Xiamen.

Vivek Rajgarhia, POET’s President and General Manager, commented,

“A 100G LR4 transceiver sells for about 2X to 3X the price of a 100G CWDM4 module, due to its higher complexity and performance requirements. POET’s integrated monolithic multiplexer significantly reduces the cost of the optical engine allowing us to provide a savings to customers in the range of 25 per cent.

By flip-chipping 4 DML lasers onto an optical interposer with inherently superior thermal management and the ability to tune the waveguides to specific center wavelengths, we are able to design an optical engine that uses 10 to 15 per cent less power to deliver data at the same speed and over the same distance as comparable modules.”

POET Technologies offers integration solutions based on its Optical Interposer, a platform that integrates electronic and photonic devices.

POET Technologies (PTK) is up by 5.38 per cent and is currently trading at C$0.98 per share as of 9:31 am ET.

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