典型文献
Separating arbitrary free-space beams with an integrated photonic processor
文献摘要：
Free-space optics naturally offers multiple-channel communications and sensing exploitable in many applications.The different optical beams will,however,generally be overlapping at the receiver,and,especially with atmospheric turbulence or other scattering or aberrations,the arriving beam shapes may not even be known in advance.We show that such beams can be still separated in the optical domain,and simultaneously detected with negligible cross-talk,even if they share the same wavelength and polarization,and even with unknown arriving beam shapes.The kernel of the adaptive multibeam receiver presented in this work is a programmable integrated photonic processor that is coupled to free-space beams through a two-dimensional array of optical antennas.We demonstrate separation of beam pairs arriving from different directions,with overlapping spatial modes in the same direction,and even with mixing between the beams deliberately added in the path.With the circuit's optical bandwidth of more than 40 nm,this approach offers an enabling technology for the evolution of FSO from single-beam to multibeam space-division multiplexed systems in a perturbed environment,which has been a game-changing transition in fiber-optic systems.
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作者姓名：
Maziyar Milanizadeh;SeyedMohammad SeyedinNavadeh;Francesco Zanetto;Vittorio Grimaldi;Christian De Vita;Charalambos Klitis;Marc Sorel;Giorgio Ferrari;David A.B.Miller;Andrea Melloni;Francesco Morichetti
作者机构：
Department of Electronics,Information and Bioengineering,Politecnico di Milano,via Ponzio 34/5,20133 Milano,Italy;School of Engineering,University of Glasgow,Glasgow G12 8QQ,UK;TeCIP Institute,Scuola Superiore Sant'Anna,56124 Pisa,Italy;Ginzton Laboratory,Stanford University,Spilker Building,Stanford,CA 94305,USA
文献出处：
引用格式：
[1]Maziyar Milanizadeh;SeyedMohammad SeyedinNavadeh;Francesco Zanetto;Vittorio Grimaldi;Christian De Vita;Charalambos Klitis;Marc Sorel;Giorgio Ferrari;David A.B.Miller;Andrea Melloni;Francesco Morichetti-.Separating arbitrary free-space beams with an integrated photonic processor)[J].光：科学与应用（英文版）,2022(08):1811-1822
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exploitable
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0.60224
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