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Generation of counterpropagating photon pairs in periodically poled Rb-KTiOPO4

Albert Peralta Amores, Andrius Zukauskas, Patrick Mutter, Fredrik Laurell, Valdas Pasiskevicius, and Marcin Swillo*

  • *Contact author: marcin@kth.se
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Phys. Rev. A 112, 032608 – Published 11 September, 2025

DOI: https://doi.org/10.1103/5b5f-x6nc

Abstract

We demonstrate the generation of counterpropagating, twin-photon pairs in the optical communication band, utilizing periodically poled Rb-doped KTiOPO4. The spectral and polarization indistinguishability of the photon pairs is confirmed through a Hong-Ou-Mandel interference measurement. At degeneracy, the photon-pair generation exhibits a broad angular distribution. Notably, the forward-propagating photon tunes with the pump frequency while the backward-propagating photon frequency remains nearly independent of the pump wavelength.

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References (39)

  1. J. F. Clauser, Bell's theorem. Experimental tests and implications, Rep. Prog. Phys. 41, 1881 (1978).
  2. C. M. Caves, Quantum-mechanical noise in an interferometer, Phys. Rev. D 23, 1693 (1981).
  3. S. E. Harris, M. K. Oshman, and R. L. Byer, Observation of tunable optical parametric fluorescence, Phys. Rev. Lett. 18, 732 (1967).
  4. C. Couteau, Spontaneous parametric down-conversion, Contemp. Phys. 59, 291 (2018).
  5. D. F. Walls and G. J. Milburn, Quantum Optics (Springer, Berlin, 2008).
  6. Z. Y. Ou and L. Mandel, Violation of Bell's inequality and classical probability in a two-photon correlation experiment, Phys. Rev. Lett. 61, 50 (1988).
  7. A. De Rossi and V. Berger, Counterpropagating twin photons by parametric fluorescence, Phys. Rev. Lett. 88, 043901 (2002).
  8. M. Fiorentino, S. M. Spillane, R. G. Beausoleil, T. D. Roberts, P. Battle, and M. W. Munro, Spontaneous parametric down-conversion in periodically poled KTP waveguides and bulk crystals, Opt. Express 15, 7479 (2007).
  9. S. Takeda and A. Furusawa, Toward large-scale fault-tolerant universal photonic quantum computing, APL Photonics 4, 060902 (2019).
  10. S. Sauge, M. Swillo, S. Albert-Seifried, G. B. Xavier, J. Waldebäck, M. Tengner, D. Ljunggren, and A. Karlsson, Narrowband polarization-entangled photon pairs distributed over a WDM link for qubit networks, Opt. Express 15, 6926 (2007).
  11. U. L. Andersen, T. Gehring, C. Marquardt, and G. Leuchs, 30 years of squeezed light generation, Phys. Scr. 91, 053001 (2016).
  12. The LIGO Scientific Collaboration, A gravitational wave observatory operating beyond the quantum shot-noise limit, Nat. Phys. 7, 962 (2011).
  13. J. Aasi, J. Abadie, B. Abbott, R. Abbott, T. Abbott, M. Abernathy, C. Adams, T. Adams, P. Addesso, R. Adhikari et al., Enhanced sensitivity of the LIGO gravitational wave detector by using squeezed states of light, Nat. Photon. 7, 613 (2013).
  14. S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, 7 dB quadrature squeezing at 860 nm with periodically poled KTiOPO4, Appl. Phys. Lett. 89, 061116 (2006).
  15. S. Wang, V. Pasiskevicius, and F. Laurell, Dynamics of green light-induced infrared absorption in KTiOPO4 and periodically poled KTiOPO4, J. Appl. Phys. 96, 2023 (2004).
  16. S. Tjörnhammar, V. Maestroni, A. Zukauskas, T. K. Uždavinys, C. Canalias, F. Laurell, and V. Pasiskevicius, Infrared absorption in KTP isomorphs induced with blue picosecond pulses, Opt. Mater. Express 5, 2951 (2015).
  17. C. Canalias and V. Pasiskevicius, Mirrorless optical parametric oscillator, Nat. Photon. 1, 459 (2007).
  18. K. M. Mølster, M. Guionie, P. Mutter, A. Zheng, J.-B. Dherbecourt, J.-M. Melkonian, X. Délen, A. Zukauskas, F. Laurell, P. Georges, M. Raybaut, A. Godard, and V. Pasiskevicius, Highly efficient, high average power, narrowband, pump-tunable BWOPO, Opt. Lett. 48, 6484 (2023).
  19. P. Mutter, F. Laurell, V. Pasiskevicius, and A. Zakauskas, Backward wave optical parametric oscillation in a waveguide, npj Nanophoton. 1, 38 (2024).
  20. A. Gatti, T. Corti, and E. Brambilla, Squeezing and Einstein-Podolsky-Rosen correlation in the mirrorless optical parametric oscillator, Phys. Rev. A 96, 013820 (2017).
  21. C.-S. Chuu and S. E. Harris, Ultrabright backward-wave biphoton source, Phys. Rev. A 83, 061803(R) (2011).
  22. C.-S. Chuu, T. Strassel, B. Zhao, M. Koch, Y.-A. Chen, S. Chen, Z.-S. Yuan, J. Schmiedmayer, and J.-W. Pan, Quantum memory with optically trapped atoms, Phys. Rev. Lett. 101, 120501 (2008).
  23. D. E. Browne and T. Rudolph, Resource-efficient linear optical quantum computation, Phys. Rev. Lett. 95, 010501 (2005).
  24. T. P. Bodiya and L.-M. Duan, Scalable generation of graph-state entanglement through realistic linear optics, Phys. Rev. Lett. 97, 143601 (2006).
  25. L.-M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Long-distance quantum communication with atomic ensembles and linear optics, Nature (London) 414, 413 (2001).
  26. A. Peralta Amores and M. Swillo, Tunable counterpropagating twin photon source, Phys. Rev. A 110, 063713 (2024).
  27. G. Strömqvist, V. Pasiskevicius, C. Canalias, and C. Montes, Coherent phase-modulation transfer in counterpropagating parametric down-conversion, Phys. Rev. A 84, 023825 (2011).
  28. K.-H. Luo, V. Ansari, M. Massaro, M. Santandrea, C. Eigner, R. Ricken, H. Herrmann, and C. Silberhorn, Counter-propagating photon pair generation in a nonlinear waveguide, Opt. Express 28, 3215 (2020).
  29. Y. Liu, D.-J. Guo, K. Ren, R. Yang, M. Shang, W. Zhou, X. Li, C. Sun, Ping, X. Xie, Y.-X. Gong, and S. Zhu, Observation of frequency-uncorrelated photon pairs generated by counter-propagating spontaneous parametric down-conversion, Sci. Rep. 11, 12628 (2011).
  30. A. B. U'Ren, C. Silberhorn, K. Banaszek, I. A. Walmsley, R. Erdmann, W. P. Grice, and M. G. Raymer, Generation of pure-state single-photon wavepackets by conditional preparation based on spontaneous parametric downconversion, Laser Phys. 15, 146 (2005) .
  31. C. Liljestrand, F. Laurell, and C. Canalias, Periodic poling of Rb-doped KTiOPO4 by coercive field engineering, Opt. Express 24, 14682 (2016).
  32. P. Mutter, A. Zukauskas, and C. Canalias, Domain dynamics in coercive-field engineered sub-µm periodically poled Rb-doped KTiOPO4, Opt. Mater. Express 12, 4332 (2022).
  33. P. S. Kuo, D. V. Reddy, V. Verma, S. W. Nam, A. Zukauskas, and C. Canalias, Photon-pair production and frequency translation using backward-wave spontaneous parametric downconversion, Opt. Quantum 1, 43 (2023).
  34. M. Fejer, G. Magel, D. Jundt, and R. Byer, Quasi-phase-matched second harmonic generation: Tuning and tolerances, IEEE J. Quantum Electron. 28, 2631 (1992).
  35. A. Peralta Amores and M. Swillo, Low-temperature bonding of nanolayered InGaP/SiO2 waveguides for spontaneous-parametric down conversion, ACS Appl. Nano Mater. 5, 2550 (2022) .
  36. P. Mutter, A. Zukauskas, A.-L. Viotti, C. Canalias, and V. Pasiskevicius, Phase-locked degenerate backward wave optical parametric oscillator, APL Photonics 8, 026104 (2023).
  37. A. Godard, M. Guionie, J.-B. Dherbecourt, J.-M. Melkonian, and M. Raybaut, Backward optical parametric oscillator threshold and linewidth studies, J. Opt. Soc. Am. B 39, 408 (2022).
  38. C.-K. Hong, Z.-Y. Ou, and L. Mandel, Measurement of subpicosecond time intervals between two photons by interference, Phys. Rev. Lett. 59, 2044 (1987).
  39. M. Katz, D. Eger, M. B. Oron, and A. Hardy, Erratum: “Refractive dispersion curve measurement of KTiOPO4 using periodically segmented waveguides and periodically poled crystals” [J. Appl. Phys. 90, 53 (2001)], J. Appl. Phys. 92, 7702 (2002).

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Phys. Rev. A 112, 032608– Published 11 September, 2025
  • Received 3 February 2025
  • Accepted 14 August 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by Bibsam.

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