An AWG For All Seasons

POINTek claims its temperature-hardened, athermal arrayed-waveguide gratings (AWGs)  are good for applications in extreme temperatures, i.e., -40°C to +85°C. Conventional athermal AWGs are designed to support a total of 60 pm or larger wavelength drift, which amounts to compensation of 0.5pm/°C shift within in the operating temperature range of -40°C to 85°C. In POINTek's low-drift high-performing AAWG, which is based on a new IP-pending optical packaging technology capitalizing on previous PCT-registered athermalization patent, employ a refined packaging technique that is fully utilized, allowing only 20 pm or less wavelength-drift which is equivalent to merely 0.15pm/°C shift. For more information, visit  or