期刊
NANOPHOTONICS
卷 10, 期 15, 页码 3789-3812出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2021-0419
关键词
femtosecond laser micromachining; integrated optics; integrated quantum photonics; photonic circuits; quantum technologies
资金
- European Research Council (ERC) under the European Union [742745]
- Ministero dell'Istruzione, dell'Universita e della Ricerca (PRIN 2017 program) [2017SRNBRK]
Integrated quantum photonics, utilizing technologies like femtosecond laser micromachining, is revolutionizing the field of quantum information by enabling the complete production of quantum systems components. In the past five years, FLM has significantly expanded its range of quantum applications and achieved several scientific breakthroughs.
Integrated quantum photonics, i.e. the generation, manipulation, and detection of quantum states of light in integrated photonic chips, is revolutionizing the field of quantum information in all applications, from communications to computing. Although many different platforms are being currently developed, from silicon photonics to lithium niobate photonic circuits, none of them has shown the versatility of femtosecond laser micromachining (FLM) in producing all the components of a complete quantum system, encompassing quantum sources, reconfigurable state manipulation, quantum memories, and detection. It is in fact evident that FLM has been a key enabling tool in the first-time demonstration of manyquantum devices and functionalities. Although FLM cannot achieve the same level of miniaturization of other platforms, it still has many unique advantages for integrated quantumphotonics. Inparticular, in the last five years, FLM has greatly expanded its range of quantum applications with several scientific breakthroughs achieved. For these reasons, we believe that a review article on this topic is very timely and could further promote the development of this field by convincing end-users of the great potentials of this technological platform and by stimulating more research groups in FLM to direct their efforts to the exciting field of quantum technologies.
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