CEL offers 100G laser diodes for CWDM4 optical transceivers

CEL, which represents Renesas Electronics Corp. in the Americas, says that its can now offer its partner's NX6375AA Series of laser diodes to the North American market. The directly modulation distributed feedback (DFB) laser diodes support 4x25-Gbps operation for use in such 100G optical transceiver MSAs as the CWDM4.

CEL, which represents Renesas Electronics Corp. in the Americas, says that its can now offer its partner's NX6375AA Series of laser diodes to the North American market. The directly modulation distributed feedback (DFB) laser diodes support 4x25-Gbps operation for use in such 100G optical transceiver MSAs as the CWDM4.

The laser diodes operate over 1271, 1291, 1311, and 1331 nm and feature stable operation at up to 28 Gbps per wavelength over an operating temperature range of Tc = -5°C to 85°C. The devices leverage Renesas's embedded structure based on aluminum gallium indium arsenic (AlGaInAs) materials. The process helps the diodes achieve a mean time to failure (MTTF) of 100,000 hours.

CEL expects significant demand for the laser diodes as well as the optical modules they support.

"Due to the exploding popularity of cloud computing for the IoT, the scale and processing capacity of data centers that are connected to the internet and handle large amounts of data are expected to increase at an annual rate of 59%. In turn, this is driving the demand for increased speeds in the transmission rates of optical transceivers used for communication between the servers and routers in data centers," explains Marc Sheade, vice president at CEL. "It is predicted that higher speed 100 Gbps systems will be replacing the current mainstream 40 Gbps systems at an annual growth rate of 75%."

The NX6375AA Series laser diodes are available now in mass production quantities. Production is expected to reach 100,000 units per month by April 2017. Samples quantities of the NX6375AA Series are priced at $50 per wavelength, although pricing and availability are subject to change without notice, CEL points out.

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