1. Cohen-Tannoudji, C., Diu, B. & Laloë, F. Quantum Mechanics. (Wiley, 1977).
2. Boyd, R. W. Nonlinear Optics. 2nd ed. (Academic, New York, 2008).
3. Schmidt, B. E., Legare, F., Clerici, M., Ibrahim, H. ETR-PCT, WO2014/205573A1 (2014).
4. Schmidt, B. E. et al. Linearizing nonlinear optics. arXiv:1603.06132 (2016).
5. Schmidt, B. E. et al. Frequency domain optical parametric amplification. Nat. Commun. 5, 3643 (2014).