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光电信息大讲堂第211期：Silicon-Based Mm-Wave Circuit Techniques for Communication and Radar
毫米波芯片 硅基工艺 通信芯片
2023/4/17
毫米波具有丰富的频率资源，已逐步应用于高速通信和高精度雷达等领域。但由于硅基工艺本身的限制，采用硅基工艺实现毫米波芯片面临巨大的技术挑战。本报告讨论了硅基毫米波芯片技术的发展以及所面临的技术挑战，介绍了本课题组在解决宽带收发链路、高精度毫米波信号源和相控阵等方面的工作，并简要介绍了本课题组开发的毫米波雷达与通信芯片。
2018年SPIE硅光子学会议（SPIE Silicon Photonics: from Fundamental Research to Manufacturing）
2018年 SPIE 硅光子学 会议
2017/10/27
These are exciting times for silicon photonics. The industrial supply chain is being established rapidly, from PIC design tools to PIC manufacturing, through to test and packaging. This enables compan...
Penn Researchers Discover New Chiral Property of Silicon,With Photonic Applications
Penn Researchers New Chiral Property Silicon Photonic Applications
2015/8/4
y encoding information in photons via their spin, “photonic” computers could be orders of magnitude faster and efficient than their current-day counterparts. Likewise, encoding information in the spin...
A 33mW 100Gbps CMOS Silicon Photonic WDM Transmitter Using Off-Chip Laser Sources
A 33 mW 100 Gbps CMOS Silicon Photonic WDM Transmitter On-Chip Laser Sources
2014/11/6
We report an ultra-low power 100Gbps silicon photonic WDM transmitter tunable with off-chip laser sources. The hybrid CMOS transmitter consists of eight 12.6Gbps WDM channels and consumes a total on-c...
Integrated Silicon Photonic Laser Sources for Telecom and Datacom
Integrated Silicon Photonic Laser Sources Telecom Datacom
2014/11/6
We demonstrate record performance heterogeneously integrated telecom wavelength and datacom wavelength lasers, processed simultaneously on the same wafer. Tunable lasers for telecom applications and u...
224-Gb/s PDM-16-QAM Modulator and Receiver based on Silicon Photonic Integrated Circuits
224-Gb/s PDM-16-QAM Modulator Silicon Photonic Integrated Circuits
2014/11/6
We demonstrate a coherent modulator and a receiver based on monolithicallyintegrated silicon photonic circuits, capable of modulating and detecting 224 Gb/s polarizationdivision-multiplexed 16-QAM. Th...
A 400 Gb/s WDM Receiver Using a Low Loss Silicon Nitride AWG Integrated with Hybrid Silicon Photodetectors
A 400 Gb/s WDM Receiver a Low Loss Silicon Nitride AWG Integrated Hybrid Silicon Photodetectors
2014/11/6
A heterogeneously integrated WDM receiver based on an AWG demultiplexer and hybrid silicon/InGaAs detectors is presented in a novel platform that combines hybrid silicon components with ultra-low loss...
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch for Access Networks
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch Access Networks
2014/11/6
Operation of an optically controlled 1x4 remote node, based on membrane InP switches and SOI waveguide circuits, is shown. Extinction ratio >25dB and penalty-free operation for 10Gb/s 231-1 PRBS data ...
Large-Area Free-Standing Ultrathin Single-Crystal Silicon as Processable Materials
Ultrathin single-crystal silicon fl exibility nanotexture light trapping
2015/8/7
Silicon has been driving the great success of semiconductor industry, and emerging forms of silicon have generated new opportunities in electronics, biotechnology, and energy applications.
Comment on “Nonreciprocal Light Propagation in a Silicon Photonic Circuit”
Nonreciprocal Light Propagation Silicon Photonic Circuit
2015/8/7
We show that the structure demonstrated by Feng et al. (Reports, 5 August 2011, p. 729)cannot enable optical isolation because it possesses a symmetric scattering matrix. Moreover,one cannot construct...
Absorption Enhancement in Ultrathin Crystalline Silicon Solar Cells with Antireflection and Light-Trapping Nanocone Gratings
Solar cells light trapping antireflection crystalline silicon absorption enhancement nanocone gratings
2015/8/7
Enhancing the light absorption in ultrathin-film silicon solar cells is important for improving efficiency and reducing cost. We introduce a double-sided grating design, where the front and back surfa...
High-Effi ciency Amorphous Silicon Solar Cell on a Periodic Nanocone Back Refl ector
Amorphous Silicon Solar Cell Periodic Nanocone
2015/8/7
hin-fi lm silicon solar cells, including hydrogenated amorphous silicon (a-Si:H) single-junction and amorphous/microcrystal line silicon (a-Si:H/ μ c-Si:H) tandem-junction solar cells, are promi...
Hybrid Silicon Nanocone−Polymer Solar Cells
Nanotexture solar cell heterojunction conductive polymer light trapping
2015/8/7
Recently, hybrid Si/organic solar cells have been studied for low-cost Si photovoltaic devices because the Schottky junction between the Si and organic material can be formed by solution processes at ...
Electrically Driven Nonreciprocity Induced by Interband Photonic Transition on a Silicon Chip
Electrically Driven Nonreciprocity Induced Interband Photonic Transition Silicon Chip
2015/8/7
We demonstrate electrically driven nonreciprocity on a silicon chip. By achieving an indirect interband photonic transition, we show that the transmission coefficients between two single-mode wa...
Rectification of evanescent heat transfer between dielectric-coated and uncoated silicon carbide plates
transfer between dielectric-coated uncoated silicon carbide plates
2015/8/7
Here, we show analytically that the thermal rectification via evanescent waves is obtained in the parallel semi-infinite bodies of the dielectric-coated silicon carbide and uncoated silico...