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Photonics

Kaiam has announced availability of its upgraded 100G-CWDM4 transceiver series for high performance and reliability. The new CWDM4+ optical transceivers provide higher performance than the CWDM4 standard, Kaiam asserts. MSA standard transceiver specifications can be insufficient in accounting for losses from data center fiber plant variations, causing deployment costs to spike, says Kaiam. Even use of transceivers with low failure rates can cause data center operating costs to rise, the company adds. Kaiam says that its CWDM4+ transceiver resolves both issues at no added cost.

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A laser that uses sound waves to amplify light could help address the need for silicon lasers that can overcome obstacles associated with silicon’s indirect bandgap when powering photonic integrated circuits. The laser design, created by a research team at Yale University, corrals amplified light within a racetrack shape to trap the light in a circular motion. The suspended silicon waveguide racetrack structure stimulates the nonlinear effect of Brillouin scattering to achieve lasing from silicon.

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Devices move from detection to measurement, and then to overall perceptual awareness.

A generally good macro-economic environment
According to Yole Développement latest report Status of the MEMS Industry 2018, 2017 was a growth year for the global semiconductor industry. Earnings were driven by increasing memory prices, a boost from cryptocurrencies, increasing adoption of graphics processing units (GPUs) by data centers and cloud companies for artificial intelligence (AI) tasks, and the popularity of e-sports.

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EPFL scientists have developed a unique system that can be used for detecting and analyzing molecules with very a level of high precision and without using any bulky equipment. This latest development paves the way for large-scale, image-based detection of materials assisted by artificial intelligence. The study has been reported in Science.

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DustPhotonics, an optical technology company facilitating data communications at up to 400 Gbps, says its QSFP28-SR4 optical transceivers are now available, and production of the transceivers has begun to ramp. The 100-Gbps optical transceivers integrate DustPhotonics' patented passive alignment technology to eliminate manual active alignment, resulting in minimized manufacturing cost.

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Acacia Communications and Oclaro have announced they will collaborate to set up the latter as a second source of 100G/200G CFP2-DCO coherent optical transceivers based on Acacia’s Meru DSP. Oclaro expects to begin sampling its version of the CFP2-DCO optical module by the end of this year, with production following early in 2019.The CFP2 Digital Coherent Optics (DCO) transceiver differs from the popular CFP2 Analog Coherent Optics (ACO) module in that it incorporates the coherent DSP ASIC or ASSP within the module; the CFP2-ACO interfaces with DSP silicon embedded on the linecard.

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Si Photonics, current status & future perspectives
Discover the presentation held by Eric Mounier at PIC International, on April 11th 2018, in ...
Overview of Recent Photonics Trends
Discover the presentation held by Jean-Christophe Eloy at EVG Technology Days, in Shefayim, ...
Thermal Imager with Microbolometer for Smartphone: Evolution & Comparison on the last Technologies Trends
Discover the presentation held by Romain Fraux from System Plus Consulting during the Forum ...

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