Optical transmitting apparatus, and control method

Abstract

According to one aspect of the present invention is an optical transmission apparatus including: a division unit configured to divide a frequency-multiplexed input signal into signals with a plurality of bands; a plurality of phase modulators that are allocated to the plurality of bands divided by the division unit and perform phase modulation on the signals with the allocated bands; and a synchronous addition unit configured to synchronously add the signals modulated by the plurality of phase modulators. The input signal may be a multichannel video signal. An output from the same laser diode may be input to each of the plurality of phase modulators.

Dependencies are inferred from the claim text.