Optical Gear Enters a New Era

NEW YORK -- Packet Optical Transport Evolution -- The rise of coherent detection is kicking off a new era of optical networking, the Digital Coherent Era.

Heavy Reading analyst Sterling Perrin used that term in his introductory remarks Wednesday, adding that he tried so hard to not call it the Digital Coherent Era. He wanted to call it the xDM Era, since it follows the TDM Era (the age of Sonet/SDH) and the DWDM Era (today).

The "x" in XDM would have referred to the variety of modulation techniques being deployed at......READ MORE