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Silicon-photonics-enabled chip-based 3D printer

Light(Science & Applications) 2024年第7期13卷 1320-1330页

作者： Sabrina Corsetti Milica notaros Tal Sneh Alex Stafford Zachariah A.Page jelena notaros Research Laboratory of Electronics Massachusetts Institute of TechnologyCambridgeMA 02139USA Department of Chemistry The University of Texas at AustinAustinTX 78712USA

Imagine if it were possible to create 3D objects in the palm of your hand within seconds using only a single photonic *** 3D printing has revolutionized the way we create in nearly every aspect of modern society,current 3D printers rely on large and complex mechanical systems to enable layer-by-layer addition of *** limits print speed,resolution,portability,form factor,and material *** there have been recent efforts in developing novel photocuring-based 3D printers that utilize light to transform matter from liquid resins to solid objects using advanced methods,they remain reliant on bulky and complex mechanical *** address these limitations,we combine the fields of silicon photonics and photochemistry to propose the first chip-based 3D *** proposed system consists of only a single millimeter-scale photonic chip without any moving parts that emits reconfigurable visible-light holograms up into a simple stationary resin well to enable non-mechanical 3D ***,we experimentally demonstrate a stereolithography-inspired proof-of-concept version of the chip-based 3D printer using a visible-light beam-steering integrated optical phased array and visible-light-curable resin,showing 3D printing using a chip-based system for the first *** work demonstrates the first steps towards a highlycompact,portable,and low-cost solution for the next generation of 3D printers.

关键词： printer printing visible

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Optical frequency synthesizer with an integrated erbium tunable laser

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Light(Science & Applications) 2019年第1期8卷 22-29页

作者： Ming Xin Nanxi Li Neetesh Singh Alfonso Ruocco Zhan Su Emir Salih Magden jelena notaros Diedrik Vermeulen Erich P.Ippen Michael R.Watts Franz X.Kartner Research Laboratory of Electronics Massachusetts Institute of TechnologyCambridgeMA 02139USA John A.Paulson School of Engineering and Applied Science Harvard UniversityCambridgeMA 02138USA Center for Free-Electron Laser Science DESY and Hamburg UniversityNotkestraße 8522607 HamburgGermany Institute of Microelectronics Agency for ScienceTechnology and Research(A*STAR)138634 SingaporeSingapore Analog Photonics 1 Marina Park DriveBostonMA 02210USA Department of Electrical and Electronics Engineering Koc UniversitySarıyerIstanbul 34450Turkey

Optical frequency synthesizers have widespread applications in optical spectroscopy,frequency metrology,and many other ***,their applicability is currently limited by size,cost,and power *** photonics technology,which is compatible with complementary-metal-oxide-semiconductor fabrication processes,provides a low-cost,compact size,lightweight,and low-power-consumption *** this work,we demonstrate an optical frequency synthesizer using a fully integrated silicon-based tunable *** synthesizer can be self-calibrated by tuning the repetition rate of the internal mode-locked laser.A 20 nm tuning range from 1544 to 1564 nm is achieved with~10−13 frequency instability at 10 s averaging *** flexibility and fast reconfigurability are also demonstrated by fine tuning the synthesizer and generating arbitrary specified patterns over time-frequency *** work promotes the frequency stability of silicon-based integrated tunable lasers and paves the way toward chip-scale lowcost optical frequency synthesizers.

关键词： synthesizer tunable tuning

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