Korean optical transceiver developer Optowiz has named Terraphotonics Systems Corp. as a sales and distribution agent in the U.S. for its double-density SFP/SFP+ optical transceivers. The transceivers split typical CWDM spectrum into two bands, enabling a single optical module to operate with the capacity of two transceivers.
"The high density in general or specifically double-density HD-SFP products in two wavelengths (2WL) at the 1-Gbps up to 6-Gbps rates have been already developed and marketed in Korea but with virtually no exposure to Americas," explains Adib Sharif, an international marketing executive with Terraphotonics. "Our business agreement with Optowiz in high-density optical transceiver products, including the newly released 10G HD-SFP+, will enable telecommunication service providers to increase their customers through doubling their fiber capacity by simply replacing their old conventional 10G 1WL SFP+ TRx with this new 10G 2WL HD-SFP+ TRx without any additional change in device or equipment on their present optical communication operations architecture."
Conventional 18-channel CWDM optical transceivers transmit or receive signals within a standard spectrum range, with each channel separated by 20 nm. Optowiz says it has developed a novel way of transmitting or receiving data on each of the 18 common CWDM channels by dividing each channel into high-band and low-band sub-channels. Thus, the 2WL transceivers can transmit on one sub-band (low-band) of each CWDM wavelength while receiving the data on the other sub-band (high-band).
"This 2WL double-density SFP/SFP+ product is an inexpensive way of overcoming the capacity limits of optical fiber cables at the existing CWDM deployment operations as this technology creates 36 channels out of 18 channels in the CWDM spectrum," said Optowiz CEO Dr. KJ Yang.
Optowiz says it has already supplied such optical transceivers to wireless carriers in Korea. The modules are part of a family of multiwavelength optical transceivers the company has developed (see, for example, "Optowiz intros high-density SFP module for small carrier access networks"). Terraphotonics offers a range of optical communications technology to the market (see, for example, "Terraphotonics Systems athermal AWG DWDM MUX/DEMUX targets 400G network applications").
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