Fabrication of Quantum Photonic Integrated Circuits by Means of Femtosecond Laser Pulses

Year: 2014

Authors: Crespi A., Osellame R., Sansoni L., Mataloni P., Sciarrino F., Ramponi R.

Autors Affiliation: Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy; CNR IFN, Dipartimento Fis, I-20133 Milan, Italy; Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy; CNR INO, I-00185 Rome, Italy.

Abstract: Femtosecond laser microfabrication has emerged in the last decade as a powerful technique for direct inscription of low loss optical waveguides in practically any transparent dielectric substrate, showing outstanding versatility. Prototyping of new devices is made rapid, cheap and easy: optical circuits are written directly buried in the substrate, using the laser beam as an optical pen, without any need of costly masks as required by conventional photolithography. Many proof-of-principle demonstrations of integrated optics can be obtained, including splitters, directional couplers, and Mach-Zehnder interferometers. Actually, the road towards applications has just been opened, and the unique capabilities of femtosecond laser micromachining will enable achievements inconceivable with other technologies. In this work, the femtosecond laser fabrication technique is discussed, together with its application to the realization of integrated photonic quantum circuits.

Journal/Review: FOUNDATIONS OF PHYSICS

Volume: 44 (8)      Pages from: 843  to: 855

KeyWords: Integrated photonic quantum circuits; Femtosecond laser micromachining; Polarization-encoded qubits
DOI: 10.1007/s10701-014-9800-6

ImpactFactor: 1.034
Citations: 5
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2024-11-24
References taken from IsiWeb of Knowledge: (subscribers only)

Connecting to view paper tab on IsiWeb: Click here
Connecting to view citations from IsiWeb: Click here