OPTICAL RECEIVER AND RECEIVING METHOD FOR OPTICAL SIGNAL

PROBLEM TO BE SOLVED: To provide an optical receiver which can reduce jitter generated in a clock signal and can be inexpensively constituted. SOLUTION: An optical receiver 10 is provided with a reception part 12 for receiving an optical signal synchronized with a clock signal in a fixed cycle and generating an input signal converting this optical signal to an electric signal, clock side delay circuit (delay signal generating part) 14 for generating a delay signal delaying the input signal generated by the reception part 12, differentiation circuit 16 for generating a pulse signal containing the frequency component of the said clock signal based on the delay signal generated by the clock side delay circuit 14, band filter (clock signal extracting part) 18 for extracting the clock signal from the pulse signal generated by the differentiation circuit 16, and signal reproducing part 20 for reproducing the input signal outputted from the reception part 12 based on the clock signal extracted by the band filter 18.