Wavelength real time display on the equipment for WDM optical networking systems with wavelength tunable capability

摘要

A wavelength tunable device for use in a wavelength division multiplexing (WDM) system comprising a display device for displaying at least one operating wavelength of the wavelength tunable device. The display device is electrically coupled to a control unit in the wavelength tunable device so as to display the tuned wavelength in real time. The wavelength tunable device may be, in exemplary embodiments, an optical transponder, wavelength division demultiplexer, or wavelength division multiplexer. In embodiments where the optical equipment has a plurality of tunable ports, the display device is adapted to display the operating wavelength of each tunable port.

主权项

1. A wavelength division multiplexing system, comprising:
a tunable filter; a line receiver for receiving a multiplexed incoming signal, the line receiver tuned by the tunable filter to select an optical signal at a first wavelength within the multiplexed incoming signal; a line transmitter, tuned to a second wavelength by a tunable laser, for transmitting an optical signal at the second wavelength; and a display device for displaying an identification of the first wavelength in a first selectable mode and an identification of the second wavelength in a second selectable mode.