Integrated silicon photonics has sparked a significant ramp-up of investment in both academia and industry as a scalable,power-efficient,and eco-friendly solution.At the heart of this platform is the light source,whic...Integrated silicon photonics has sparked a significant ramp-up of investment in both academia and industry as a scalable,power-efficient,and eco-friendly solution.At the heart of this platform is the light source,which in itself,has been the focus of research and development extensively.This paper sheds light and conveys our perspective on the current state-of-the-art in different aspects of application-driven on-chip silicon lasers.We tackle this from two perspectives:device-level and system-wide points of view.In the former,the different routes taken in integrating on-chip lasers are explored from different material systems to the chosen integration methodologies.Then,the discussion focus is shifted towards system-wide applications that show great prospects in incorporating photonic integrated circuits(PIC)with on-chip lasers and active devices,namely,optical communications and interconnects,optical phased array-based LiDAR,sensors for chemical and biological analysis,integrated quantum technologies,and finally,optical computing.By leveraging the myriad inherent attractive features of integrated silicon photonics,this paper aims to inspire further development in incorporating PICs with on-chip lasers in,but not limited to,these applications for substantial performance gains,green solutions,and mass production.展开更多
Integrated photonic devices are essential for on-chip optical communication,optical-electronic systems,and quantum information sciences.To develop a high-fidelity interface between photonics in various frequency domai...Integrated photonic devices are essential for on-chip optical communication,optical-electronic systems,and quantum information sciences.To develop a high-fidelity interface between photonics in various frequency domains without disturbing their quantum properties,nonlinear frequency conversion,typically steered with the quadratic(χ2)process,should be considered.Furthermore,another degree of freedom in steering the spatial modes during theχ2 process,with unprecedent mode intensity is proposed here by modulating the lithium niobate(LN)waveguide-based inter-mode quasi-phasematching conditions with both temperature and wavelength parameters.Under high incident light intensities(25 and 27.8 dBm for the pump and the signal lights,respectively),mode conversion at the sum-frequency wavelength with sufficient high output power(−7–8 dBm)among the TM01,TM10,and TM00 modes is realized automatically with characterized broad temperature(ΔT≥8°C)and wavelength windows(Δλ≥1 nm),avoiding the previous efforts in carefully preparing the signal or pump modes.The results prove that high-intensity spatial modes can be prepared at arbitrary transparent wavelength of theχ2 media toward on-chip integration,which facilitates the development of chip-based communication and quantum information systems because spatial correlations can be applied to generate hyperentangled states and provide additional robustness in quantum error correction with the extended Hilbert space.展开更多
由于片上系统(System on chip,SOC)技术使系统集成度更高、功能更强,具有更高的可靠性,以及更低的系统功耗,因此,SOC技术在航天控制领域得到了飞速的发展和应用。介绍SOC技术在国内外的发展情况,依据航天型号研制要求,提出航天领域的SO...由于片上系统(System on chip,SOC)技术使系统集成度更高、功能更强,具有更高的可靠性,以及更低的系统功耗,因此,SOC技术在航天控制领域得到了飞速的发展和应用。介绍SOC技术在国内外的发展情况,依据航天型号研制要求,提出航天领域的SOC研制流程、质量管理要求,以及重点发展方向。展开更多
基金supported by Intel(CG#62148533)Advanced Research Projects Agency-Energy(ARPA-E)(DE-AR0001039)+1 种基金the U.S.Department of Defense under AIM Photonics(Air Force contract FA8650-15-2-5220)the DARPA LUMOS(DARPA contract HR001120C0142).
文摘Integrated silicon photonics has sparked a significant ramp-up of investment in both academia and industry as a scalable,power-efficient,and eco-friendly solution.At the heart of this platform is the light source,which in itself,has been the focus of research and development extensively.This paper sheds light and conveys our perspective on the current state-of-the-art in different aspects of application-driven on-chip silicon lasers.We tackle this from two perspectives:device-level and system-wide points of view.In the former,the different routes taken in integrating on-chip lasers are explored from different material systems to the chosen integration methodologies.Then,the discussion focus is shifted towards system-wide applications that show great prospects in incorporating photonic integrated circuits(PIC)with on-chip lasers and active devices,namely,optical communications and interconnects,optical phased array-based LiDAR,sensors for chemical and biological analysis,integrated quantum technologies,and finally,optical computing.By leveraging the myriad inherent attractive features of integrated silicon photonics,this paper aims to inspire further development in incorporating PICs with on-chip lasers in,but not limited to,these applications for substantial performance gains,green solutions,and mass production.
基金financial supports from National Key Research and Development Program of China(2021YFB3602500)Self-deployment Project of Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China(2021ZZ101)National Natural Science Foundation of China(Grant Nos.62275247 and 61905246).
文摘Integrated photonic devices are essential for on-chip optical communication,optical-electronic systems,and quantum information sciences.To develop a high-fidelity interface between photonics in various frequency domains without disturbing their quantum properties,nonlinear frequency conversion,typically steered with the quadratic(χ2)process,should be considered.Furthermore,another degree of freedom in steering the spatial modes during theχ2 process,with unprecedent mode intensity is proposed here by modulating the lithium niobate(LN)waveguide-based inter-mode quasi-phasematching conditions with both temperature and wavelength parameters.Under high incident light intensities(25 and 27.8 dBm for the pump and the signal lights,respectively),mode conversion at the sum-frequency wavelength with sufficient high output power(−7–8 dBm)among the TM01,TM10,and TM00 modes is realized automatically with characterized broad temperature(ΔT≥8°C)and wavelength windows(Δλ≥1 nm),avoiding the previous efforts in carefully preparing the signal or pump modes.The results prove that high-intensity spatial modes can be prepared at arbitrary transparent wavelength of theχ2 media toward on-chip integration,which facilitates the development of chip-based communication and quantum information systems because spatial correlations can be applied to generate hyperentangled states and provide additional robustness in quantum error correction with the extended Hilbert space.
