Selective enhancement of nonlinear processes in linearly uncoupled silicon resonators

We experimentally demonstrate the feasibility of the use of integrated linearly uncoupled resonators, which are coupled solely through the nonlinear interaction, to selectively enhance or suppress nonlinear processes. This is exploited to selectively enhance dual-pump spontaneous four-wave mixing while suppressing the parasitic noise associated with single pump spontaneous four-wave mixing processes. A signal-to-noise ratio characterizing the generation of identical photon pairs of more than four orders of magnitude is reported, opening the way to a new class of integrated devices exploiting the unique properties of identical photon pairs in the same optical mode.

[1]  John E. Sipe,et al.  How does it scale? Comparing quantum and classical nonlinear optical processes in integrated devices , 2012 .

[2]  Sae Woo Nam,et al.  Heralding single photons from a high-Q silicon microdisk , 2016 .

[3]  Wei Zhang,et al.  Telecom-band degenerate-frequency photon pair generation in silicon microring cavities. , 2014, Optics letters.

[4]  K. Rottwitt,et al.  Unidirectional frequency conversion in microring resonators for on-chip frequency-multiplexed single-photon sources , 2018, New Journal of Physics.

[5]  Fabio Sciarrino,et al.  Integrated photonic quantum technologies , 2019, Nature Photonics.

[6]  R A Wilson,et al.  Wavelength conversion in GaAs micro-ring resonators. , 2000, Optics letters.

[7]  Bin Fang,et al.  State engineering of photon pairs produced through dual-pump spontaneous four-wave mixing. , 2013, Optics express.

[8]  C. Monat,et al.  Ultralow-loss tightly confining Si3N4 waveguides and high-Q microresonators. , 2019, Optics express.

[9]  Kyunghun Han,et al.  50-GHz-spaced comb of high-dimensional frequency-bin entangled photons from an on-chip silicon nitride microresonator. , 2018, Optics express.

[10]  L. Zatti,et al.  Single-mode quadrature squeezing using dual-pump four-wave mixing in an integrated nanophotonic device , 2020 .

[11]  Electrically driven source of time-energy entangled photons based on a self-pumped silicon microring resonator. , 2020, Optics letters.

[12]  C. Petit-Etienne,et al.  A Source of Heralded Single Photon Using High Quality Factor Silicon Ring Resonators , 2019, 2019 21st International Conference on Transparent Optical Networks (ICTON).

[13]  Corrado Sciancalepore,et al.  Improvement of Sidewall Roughness of Submicron SOI Waveguides by Hydrogen Plasma and Annealing , 2018, IEEE Photonics Technology Letters.

[14]  T. Kippenberg,et al.  Ultra-smooth silicon nitride waveguides based on the Damascene reflow process: fabrication and loss origins , 2018, Optica.

[15]  N. Harris,et al.  Integrated Source of Spectrally Filtered Correlated Photons for Large-Scale Quantum Photonic Systems , 2014, 1409.8215.

[16]  Cale M. Gentry,et al.  Tunable coupled-mode dispersion compensation and its application to on-chip resonant four-wave mixing. , 2014, Optics letters.

[17]  From classical four-wave mixing to parametric fluorescence in silicon microring resonators. , 2012, Optics letters.

[18]  Xinlun Cai,et al.  High-spectral-purity photon generation from a dual-interferometer-coupled silicon microring , 2019 .

[19]  J. O'Brien,et al.  Qubit entanglement between ring-resonator photon-pair sources on a silicon chip , 2015, Nature Communications.

[20]  Michael J. Strain,et al.  Micrometer-scale integrated silicon source of time-energy entangled photons , 2014, 1409.4881.

[21]  Roberto Morandotti,et al.  On-chip generation of high-dimensional entangled quantum states and their coherent control , 2017, Nature.

[22]  Jens H. Schmid,et al.  Roadmap on silicon photonics , 2016 .

[23]  B. Morrison,et al.  Nonlinear Coupling of Linearly Uncoupled Resonators. , 2018, Physical review letters.

[24]  M. Liscidini,et al.  Scalable Squeezed Light Source for Continuous Variable Quantum Sampling , 2018, 2020 Conference on Lasers and Electro-Optics (CLEO).