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Spectral phase transitions in optical parametric oscillators

Author

Listed:
  • Arkadev Roy

    (California Institute of Technology)

  • Saman Jahani

    (California Institute of Technology)

  • Carsten Langrock

    (Stanford University)

  • Martin Fejer

    (Stanford University)

  • Alireza Marandi

    (California Institute of Technology)

Abstract

Driven nonlinear resonators provide a fertile ground for phenomena related to phase transitions far from equilibrium, which can open opportunities unattainable in their linear counterparts. Here, we show that optical parametric oscillators (OPOs) can undergo second-order phase transitions in the spectral domain between degenerate and non-degenerate regimes. This abrupt change in the spectral response follows a square-root dependence around the critical point, exhibiting high sensitivity to parameter variation akin to systems around an exceptional point. We experimentally demonstrate such a phase transition in a quadratic OPO. We show that the divergent susceptibility of the critical point is accompanied by spontaneous symmetry breaking and distinct phase noise properties in the two regimes, indicating the importance of a beyond nonlinear bifurcation interpretation. We also predict the occurrence of first-order spectral phase transitions in coupled OPOs. Our results on non-equilibrium spectral behaviors can be utilized for enhanced sensing, advanced computing, and quantum information processing.

Suggested Citation

  • Arkadev Roy & Saman Jahani & Carsten Langrock & Martin Fejer & Alireza Marandi, 2021. "Spectral phase transitions in optical parametric oscillators," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21048-z
    DOI: 10.1038/s41467-021-21048-z
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    Cited by:

    1. Arkadev Roy & Luis Ledezma & Luis Costa & Robert Gray & Ryoto Sekine & Qiushi Guo & Mingchen Liu & Ryan M. Briggs & Alireza Marandi, 2023. "Visible-to-mid-IR tunable frequency comb in nanophotonics," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. Xingwei Gao & Hao He & Scott Sobolewski & Alexander Cerjan & Chia Wei Hsu, 2024. "Dynamic gain and frequency comb formation in exceptional-point lasers," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Ievgen I. Arkhipov & Adam Miranowicz & Fabrizio Minganti & Şahin K. Özdemir & Franco Nori, 2023. "Dynamically crossing diabolic points while encircling exceptional curves: A programmable symmetric-asymmetric multimode switch," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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