This fact raises a need to find an alternative solution to conventional
EDFAs for all-optical signal amplification.
EDFAs have excellent amplification properties in the C-band from 1530nm-1565nm, observed Wayne Pelouch, vice president of photonics at Xtera in Allen, Texas.
This is the first time 50Tb have been achieved over 10,000km using C+L band erbium-doped fiber amplifiers (
EDFA).
In addition, signal amplification for each channel out of the
EDFAs is non-equal.
The routines enable go/no-go analysis and target
EDFA, DFBLD, FP-LD (VCSEL), optical-filter, and LED devices.
Special thanks to fellow Strategic Assessment team members: Egglie Chirwa, Andrew Gonani, Darlington Harawa, Fanny Kachale, Tinyade Kachika, Francis Kamwendo, Grant Kankhulungo, Hans Katengeza,
Edfas Mkandwire, Errol Nkonko, Awah Paschal, Leonard Banda, Evelyn Chitsa Banda, Mary Busile, Wanangwa Chimwaza, Edgar Kuchingale, Chembezi Mhone, MacDonald Msadala, Dorothy Nyasulu.
The product is suitable for production or research environments and for test set-ups that require power equalization between multiple channels, OSNR measurements or power adjustments for
EDFAs.
The transmitted output from the CoreOptics module will connect to a line system with
EDFAs and 2000 km of singlemode fiber, back to the receiver end.
(37) The measured AM-VSB CNR, CSO and CTB values for the lightwave link with and without (back-to-back) two in-line
EDFAs are shown in Figs.
In all existing optical fiber projects
EDFAs are used, so we have to know what are their characteristics.