| 摘要 |
An optical parametric diffuser includes a multiplexing section (1) having first and second inputs coupled with a source of a probe light of a wavelength lambda 1 and a source of a pumping light of a wavelength lambda 2, respectively for multiplexing them, a mixing section (2) coupled with the multiplexing section (1) for producing an output signal light including a light with a wavelength lambda 5 which is apart from the pumping light wavelength on the opposite side of the probe light wavelength by n DELTA lambda ( DELTA lambda = ¦ lambda 1 - lambda 2¦, n >/= 2), and a band-pass filter (3) for selectively outputting a signal of the wavelength lambda 5. The optical mixer (2) has a peak in output signal generation efficiency at the wavelength lambda 5 so that an output light beam of the wavelength lambda 5 can be obtained from the probe light and the pumping light. |
