| 摘要 |
<p>Optical module for access networks to wide band communication systems of the type including at least: a first multiplexer in wavelength (WDM1) suitable to receive in input an optical support (1), coming from a predetermined side of the module (MO); a second optical support (3), one end of which is adapted to correspond on said predetermined side of the optical module (MO); a reflecting element placed downstream from one of the optical branches of said first multiplexer in wavelength (WDM1). According to the invention, the said second output of the first mutliplexer in wavelength (WDM1) is connected to a second multiplexer in wavelength (WDM2) of the propagating and counterpropagating type, preferentially implemented by means of a Mach-Zehnder interferometer, incorporating said reflecting element (5). The other end of said second optical support (3) is connected to a port of said second multiplexer in wavelength (WDM2).</p> |
