it is also simple to use a ring configuration, then you only need a coupler a 980/1550 multiplexer (or 1480/1550nm if your diode is at 1480nm) and the erbium fiber. Then the laser will choose it's wavelength on it's own.
it is also simple to use a ring configuration, then you only need a coupler a 980/1550 multiplexer (or 1480/1550nm if your diode is at 1480nm) and the erbium fiber. Then the laser will choose it's wavelength on it's own.
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