Calculate the fractional stability necessary for the laser

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Reference no: EM131195469

The frequency stability required for an amplitude modulated (ASK) optical coherent communications system is ±10 MHz. If the local oscillator laser emits at 1.55 μm wavelength and its frequency drifts at a rate of 14 GHz K^-1 calculate:

(i) The fractional stability necessary for the laser;

(ii) The maximum temperature change permissible in the absence of external control;

(iii) The maximum transmission bandwidth allowed by the frequency stability.

Reference no: EM131195469

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