<p>According to one embodiment of the invention, a digital to analog converter for converting a digital signal to an analog optical signal includes a light source and a plurality optical switches. Each optical switch is responsive to a respective one of a plurality of bits of a digital signal to selectively allow transmission of light from the light source through the switch. The digital to analog converter also includes a light combination system operable to combine the light passed through each of the switches and produce an analog optical signal indicative of the digital signal.</p>
申请公布号
WO2008011445(A1)
申请公布日期
2008.01.24
申请号
WO2007US73750
申请日期
2007.07.18
申请人
RAYTHEON COMPANY;FRAZIER, GARY, A.;LAKE, ROGER, K.