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Measurement of the amplitude and phase transfer functions of an optical modulator using a heterodyne technique

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4 Author(s)
Romstad, F. ; COM, Tech. Univ. Denmark, Lyngby, Denmark ; Birkedal, D. ; Mork, J. ; Hvam, J.M.

We present a new technique that measures the full amplitude and phase transfer curves of the modulator as a function of the applied bias, from which the small signal α-parameter can be calculated. The technique measures the amplitude and phase transfer functions simultaneously and directly, compared to techniques where a time-consuming data analysis is necessary to calculate the a-parameter and an additional measurement is necessary to estimate the phase. Additionally, the chirp profile for all operation points can be calculated

Published in:

Lasers and Electro-Optics Society, 2001. LEOS 2001. The 14th Annual Meeting of the IEEE  (Volume:1 )

Date of Conference:

2001