Optical transceiver having separate transmitter and receiver lenses

摘要

The present disclosure discusses an improved optical transceiver. The optical transceiver of the present disclosure includes an optical transmitter and an optical receiver that are spatially separated. In some implementations, the optical receiver and optical transmitter are staggered from one another. Each of the optical receiver and the optical transmitter and housed within a separate optical lens. In some implementations, the separation of the components reduces mechanical, thermal, and electrical cross talk between the optical transmitter and the optical receiver. The separation of the components can also ease the constraints of the optical alignment between the optical transmitter and the optical receiver and each of their respective lenses.

主权项

1. An optical transceiver comprising:
a printed circuit board (PCB); an optical transmitter including a driver circuit and a light source, wherein at least a portion of the optical transmitter is coupled to the PCB in a first chip-on-board configuration; an optical receiver including a receiver circuit and a light detector, wherein at least a portion of the optical receiver is coupled to the PCB in a second chip-on-board configuration, and wherein the optical transmitter and the optical receiver are spatially separated from one another on the PCB in a first dimension by a first distance of between about 2 mm and about 10 mm; a first lens structure covering the optical transmitter and housing the optical transmitter in a first cavity formed in the first lens structure; and a second lens structure, separate from the first lens structure, covering the optical receiver and housing the optical receiver in a second cavity formed in the second lens structure, wherein:
the first lens structure and the second lens structure include a same lens configuration,the same lens configuration of the first lens structure and the second lens structure includes a first optical surface with a first optical prescription and a second optical surface with a second optical prescription different from the first optical prescription,the light source of the optical transmitter is aligned with the first optical surface of the first lens structure and the light detector of the optical receiver is aligned with the second optical surface of the second lens structure.