Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers

Research output: Contribution to journalJournal article – Annual report year: 2019Researchpeer-review

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Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers. / Agnesi, C.; Da Lio, B.; Cozzolino; Cardi, L.; Bakir, B. Ben; Hassan, K.; Frera, A. della; Ruggeri, A.; Giudice, A.; Vallone, G.; Villoresi, P.; Tosi, A.; Rottwitt, Karsten; Ding, Wenjun; Bacco, Davide.

In: Optics Letters, Vol. 44, No. 2, 2019, p. 271-274.

Research output: Contribution to journalJournal article – Annual report year: 2019Researchpeer-review

Harvard

Agnesi, C, Da Lio, B, Cozzolino, Cardi, L, Bakir, BB, Hassan, K, Frera, AD, Ruggeri, A, Giudice, A, Vallone, G, Villoresi, P, Tosi, A, Rottwitt, K, Ding, W & Bacco, D 2019, 'Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers', Optics Letters, vol. 44, no. 2, pp. 271-274. https://doi.org/10.1364/OL.44.000271

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Author

Agnesi, C. ; Da Lio, B. ; Cozzolino ; Cardi, L. ; Bakir, B. Ben ; Hassan, K. ; Frera, A. della ; Ruggeri, A. ; Giudice, A. ; Vallone, G. ; Villoresi, P. ; Tosi, A. ; Rottwitt, Karsten ; Ding, Wenjun ; Bacco, Davide. / Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers. In: Optics Letters. 2019 ; Vol. 44, No. 2. pp. 271-274.

Bibtex

@article{549109a3df554555b0142c88da109a24,
title = "Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers",
abstract = "The versatility of silicon photonic integrated circuits has led to a widespread usage of this platform for quantum information-based applications, including quantum key distribution (QKD). However, the integration of simple high-repetition-rate photon sources is yet to be achieved. The use of weak-coherent pulses (WCPs) could represent a viable solution. For example, measurement device independent QKD (MDI-QKD) envisions the use of WCPs to distill a secret key immune to detector side channel attacks at large distances. Thus, the integration of III–V lasers on silicon waveguides is an interesting prospect for quantum photonics. Here we report the experimental observation of Hong–Ou–Mandel interference with 46 2{\%} visibility between WCPs generated by two independent III–V on silicon waveguide integrated lasers. This quantum interference effect is at the heart of many applications, including MDI-QKD. This Letter represents a substantial first step towards an implementation of MDI-QKD fully integrated in silicon and could be beneficial for other applications such as standard QKD and novel quantum communication protocols.",
author = "C. Agnesi and {Da Lio}, B. and Cozzolino and L. Cardi and Bakir, {B. Ben} and K. Hassan and Frera, {A. della} and A. Ruggeri and A. Giudice and G. Vallone and P. Villoresi and A. Tosi and Karsten Rottwitt and Wenjun Ding and Davide Bacco",
year = "2019",
doi = "10.1364/OL.44.000271",
language = "English",
volume = "44",
pages = "271--274",
journal = "Optics Letters",
issn = "0146-9592",
publisher = "Optical Society of America",
number = "2",

}

RIS

TY - JOUR

T1 - Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers

AU - Agnesi, C.

AU - Da Lio, B.

AU - Cozzolino, null

AU - Cardi, L.

AU - Bakir, B. Ben

AU - Hassan, K.

AU - Frera, A. della

AU - Ruggeri, A.

AU - Giudice, A.

AU - Vallone, G.

AU - Villoresi, P.

AU - Tosi, A.

AU - Rottwitt, Karsten

AU - Ding, Wenjun

AU - Bacco, Davide

PY - 2019

Y1 - 2019

N2 - The versatility of silicon photonic integrated circuits has led to a widespread usage of this platform for quantum information-based applications, including quantum key distribution (QKD). However, the integration of simple high-repetition-rate photon sources is yet to be achieved. The use of weak-coherent pulses (WCPs) could represent a viable solution. For example, measurement device independent QKD (MDI-QKD) envisions the use of WCPs to distill a secret key immune to detector side channel attacks at large distances. Thus, the integration of III–V lasers on silicon waveguides is an interesting prospect for quantum photonics. Here we report the experimental observation of Hong–Ou–Mandel interference with 46 2% visibility between WCPs generated by two independent III–V on silicon waveguide integrated lasers. This quantum interference effect is at the heart of many applications, including MDI-QKD. This Letter represents a substantial first step towards an implementation of MDI-QKD fully integrated in silicon and could be beneficial for other applications such as standard QKD and novel quantum communication protocols.

AB - The versatility of silicon photonic integrated circuits has led to a widespread usage of this platform for quantum information-based applications, including quantum key distribution (QKD). However, the integration of simple high-repetition-rate photon sources is yet to be achieved. The use of weak-coherent pulses (WCPs) could represent a viable solution. For example, measurement device independent QKD (MDI-QKD) envisions the use of WCPs to distill a secret key immune to detector side channel attacks at large distances. Thus, the integration of III–V lasers on silicon waveguides is an interesting prospect for quantum photonics. Here we report the experimental observation of Hong–Ou–Mandel interference with 46 2% visibility between WCPs generated by two independent III–V on silicon waveguide integrated lasers. This quantum interference effect is at the heart of many applications, including MDI-QKD. This Letter represents a substantial first step towards an implementation of MDI-QKD fully integrated in silicon and could be beneficial for other applications such as standard QKD and novel quantum communication protocols.

U2 - 10.1364/OL.44.000271

DO - 10.1364/OL.44.000271

M3 - Journal article

VL - 44

SP - 271

EP - 274

JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

IS - 2

ER -