In this Letter,a kind of optoelectronic chip based on III-nitride is developed as a versatile platform for both fiber-optic sensing and optical communication.The optoelectronic chip consists of a light-emitting diode(...In this Letter,a kind of optoelectronic chip based on III-nitride is developed as a versatile platform for both fiber-optic sensing and optical communication.The optoelectronic chip consists of a light-emitting diode(LED)and a photodiode(PD),which are fabricated with the same multi-quantum well(MQW)structure and monolithically integrated on a sapphire substrate.By integrating the chip with a polydimethylsiloxane(PDMS)encapsulated silica fiber-optic sensor,it can effectively detect the bending-induced light intensity change and generate the photocurrent to point out the angle changes.Besides,such an optoelectronic chip can also be treated as a transceiver,enabling duplex communication for real-time audio and video transmission.The proposed optoelectronic chip has the advantages of miniaturization,versatility,and ease of massive manufacturing,making it promising in integrated optical sensing and communication(IOSAC)systems.展开更多
基金supported by the National Natural Science Foundation of China(Nos.62105162,62004103,62005130,61827804,61904086,U21A20495,and U21A201550)the National Key R&D Program of China(No.2021YFE010807)+2 种基金the NUPTDF(No.NY220118)the Higher Education Discipline Innovation Project(D17018)the GaN Optoelectronic Integration International Cooperation Joint Laboratory of Jiangsu Province.
文摘In this Letter,a kind of optoelectronic chip based on III-nitride is developed as a versatile platform for both fiber-optic sensing and optical communication.The optoelectronic chip consists of a light-emitting diode(LED)and a photodiode(PD),which are fabricated with the same multi-quantum well(MQW)structure and monolithically integrated on a sapphire substrate.By integrating the chip with a polydimethylsiloxane(PDMS)encapsulated silica fiber-optic sensor,it can effectively detect the bending-induced light intensity change and generate the photocurrent to point out the angle changes.Besides,such an optoelectronic chip can also be treated as a transceiver,enabling duplex communication for real-time audio and video transmission.The proposed optoelectronic chip has the advantages of miniaturization,versatility,and ease of massive manufacturing,making it promising in integrated optical sensing and communication(IOSAC)systems.
