| 摘要 |
PROBLEM TO BE SOLVED: To generate a two-tone signal, by a simple method using one Mach-Zehnder modulation, that realizes the occurrences of a microwave, a millimeter wave, and a terahertz wave.SOLUTION: At a time when first to third MZI18f-18h are driven by an RF drive voltage Vapplied to the first MZI18f, a phase difference Δφ of an RF signal in the first and second MZI18f, 18g, a DC bias voltage Vapplied to the first MZI, an RF drive voltage Vapplied to the second MZI, a DC bias voltage Vapplied to the second MZI, and a DC bias voltage Vapplied to the third MZI18h, the RF drive voltage Vand the RF drive voltage Vare corrected by the distribution ratio α:(1-α) of an optical signal to the first and second MZI18f, 18g.SELECTED DRAWING: Figure 2A |
