Zhao, Y., Capocasa, E., Eisenmann, M., Aritomi, N., Page, M., Guo, Y., Polini, E., Arai, K., Aso, Y., van Beuzekom, M., Huang,
Y.-C., Lee, R.-K., Lück, H., Miyakawa, O., Prat, P., Shoda, A., Tacca, M., Takahashi, R., Vahlbruch, H., Vardaro, M., Wu,
C.-M., Leonardi, M., Barsuglia, M., & Flaminio, R. (2022). Improving the stability
of frequency-dependent squeezing with bichromatic control of filter cavity length, alignment, and incident beam pointing. Physical Review D, 105(8):. doi:10.1103/PhysRevD.105.082003.