Low-cost transceiver approach

US9136946B2 · kind B2 · utility

Assignee

• Luxtera, Inc. · US

Inventors

• Peter De Dobbelaere · San Diego, US
• Thierry Pinguet · Cardiff-by-the-Sea, US
• Mark Peterson · San Diego, US
• Mark Harrison · Escondido, US
• Alexander G. Dickinson · Laguna Beach, US
• Lawrence C. Gunn, III · Encinitas, US

Key dates

• Filing date: Mar 16, 2012
• Grant date: Sep 15, 2015
• Expiry date: May 28, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B2006/12121
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A transceiver comprising a plurality of CMOS chips, a first chip comprising optical and optoelectronic devices and at least a second chip comprising electronic devices may be operable to communicate an optical source signal from a semiconductor laser into the first CMOS chip. The optical source signal may be used to generate first optical signals that may be transmitted from the first CMOS chip to optical fibers. Second optical signals may be received from the optical fibers and converted to electrical signals via photodetectors. The optical source signal may be communicated from the semiconductor laser into the CMOS chip via optical fibers in to a top surface and the first optical signals may be communicated out of a top surface of the CMOS chip. The first optical signals may be communicated from the first CMOS chip via optical couplers, which may comprise grating couplers.