Trumpf improves datacom VCSELs
Trumpf Photonic Components has improved its proprietary subwavelength surface grating technology for datacom VCSELs. Subwavelength grating technology leads to better relative intensity noise (RIN) performance, reduces sensitivity against optical feedback and avoids polarisation flips.
As a result, the signal quality in a complex optical link is improved and enables higher data rates without changing the light current voltage (LIV) characteristics. This breakthrough technology with its benefits works for all offered wavelengths.
“Our proprietary, advanced subwavelength grating technology has been a proven, key feature in our VCSEL solutions for two decades now and has been employed in many millions of consumer devices.” said Ralph Gudde, Trumpf’s VP of Marketing and Sales. “We are pleased to see that this technology found its way into our datacom products and offers customers a performance that sets them apart,” he added.
Trumpf’s new 100G wavelength division multiplexing VCSELs emitting at 850nm, 880nm, 910nm and 940nm have a ground-signal-ground (GSG) pad layout and are aflip-chip bondable. It will have a bandwidth of 25 GHz, is fully passivated and mechanically protected. Trumpf is offering both VCSELs and photodiodes as a matching pair solution in various configurations like singlets, 1x2, 1x4, 1x8 and/or 1x12 arrays.
The VCSELs are specifically designed to meet the demands of data centres, AI/ML, high-performance computing, and other bandwidth-intensive applications, as they deliver stable and reliable data transmission at high speeds.
