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Santa Clara, CA, USA, March 3, 2023
Alfalume Inc. in partnership with Innolume GmbH, today announces sample availability of its O-band high power InAs/GaAs Quantum Dot DFB lasers which offers best-in-class output power, wall plug efficiency, temperature range as well as fundamentally better reliability of QD lasers compared to QW counterparts.
The Aflalume QD lasers provide significant benefits for high speed datacom transceivers, including record high power and conversion efficiency at temperatures above 85℃ without requiring thermoelectric coolers, optical isolator free operation, and lower cost due to significantly reduced component costs and better assembly yields.
“Our QD laser technology matches the operation temperature of photonics to the highest operating temperature of modern electronics. There is no other technology today which can provide the power level of O-band DFB lasers above 200mW with power efficiency of 20% at 1050C with the ability to operate efficiently up to 1500C” said Alexey Kovsh, Alfalume CEO. “Our uncooled lasers are ideal for pluggable transceivers offering the highest efficiency at high temperatures”.
QD DFB lasers offer the following performance characteristics:
- 250mW @85℃, which can be split into 4 or 8 channels for 800G and 1600G DR8 Modules
- 20% Power Conversion Efficiency at 105℃
- Insensitive to feedback: up to -15dB, enabling operation without an Optical Isolator
- High SMSR: > 55dB
- Low Relative Intensity Noise (RIN): below -155dB/Hz
- Beam divergence 35 x 7 degree, allowing low loss coupling with a low cost cylindrical lens
For 800G/1600G-DR8, a single QD laser can be used for all eight channels, resulting in lower component counts, better assembly yield and lower cost optical transceivers. QD Lasers are ideal for both Silicon Photonics and all new EO Modulation technologies including TFLN and BTO/Si. In addition QD Lasers are ideal for Remote Laser Modules for CPO and LIDAR applications.
“The power of a single Innolume laser allows us to have a significant power margin for our DR8 Lithium Niobate modulators ‘, said Xinlun Cai, Liobate CEO. “This enables better manufacturing yield and lower cost transceivers.”
出典：
https://www.alfalume.com/press-release
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