On-chip frequency combs and telecommunications signal processing meet quantum optics

Alfonso Carmelo Cino, Stefania Sciara, Lucia Caspani, Michael Kues, Benjamin Wetzel, Christian Reimer, Yanbing Zhang, Luis Romero Cortés, Luis Romero Cortés, Piotr Roztocki, Stefania Sciara, Bennet Fischer, Mehedi Islam, Roberto Morandotti, José Azaña, David Moss, Brent Little, Sai Tak Chu

Risultato della ricerca: Articlepeer review

2 Citazioni (Scopus)


Entangled optical quantum states are essential towards solving questions in fundamental physics and are at the heart of applications in quantum information science. For advancing the research and development of quantum technologies, practical access to the generation and manipulation of photon states carrying significant quantum resources is required. Recently, integrated photonics has become a leading platform for the compact and cost-efficient generation and processing of optical quantum states. Despite significant advances, most on-chip nonclassical light sources are still limited to basic bi-photon systems formed by two-dimensional states (i.e., qubits). An interesting approach bearing large potential is the use of the time or frequency domain to enabled the scalable onchip generation of complex states. In this manuscript, we review recent efforts in using on-chip optical frequency combs for quantum state generation and telecommunications components for their coherent control. In particular, the generation of bi- and multi-photon entangled qubit states has been demonstrated, based on a discrete time domain approach. Moreover, the on-chip generation of high-dimensional entangled states (quDits) has recently been realized, wherein the photons are created in a coherent superposition of multiple pure frequency modes. The time- and frequency-domain states formed with on-chip frequency comb sources were coherently manipulated via off-the-shelf telecommunications components. Our results suggest that microcavity-based entangled photon states and their coherent control using accessible telecommunication infrastructures can open up new venues for scalable quantum information science.
Lingua originaleEnglish
pagine (da-a)134-147
Numero di pagine14
RivistaFrontiers of Optoelectronics
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2200.2208???


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