Patent ID: 9647768
Date: 2017-05-09
CPC Classifications: H01Q,H04B,Y10T

Claim:
1. A monolithic Receiver Optical Sub-Assembly (ROSA) device, comprising: a. at least one antenna configured to receive optical signals; b. at least one rectifier configured to rectify electrical signals being electrical representation of the received optical signals and having frequencies within an optical band range; and c. at least one amplifier, coupled to the rectifier and configured to amplify rectified electrical signals; and wherein the ROSA is further characterized in being a single monolithic device, and that it comprises a first layer that comprises the at least one amplifier embedded onto a substrate, and a second layer that comprises at least one antenna and at least one rectifier, where each of the at least one rectifier is electrically connected to a respective amplifier, thereby said ROSA includes a die that comprises an amplifier, a rectifier and at least one antenna coupled thereto.