Dilip Kumar Giri and Binod Kumar Choudhary. Determination of Sum Squeezing of the Field Amplitude in Frequency Upconversion Process. NUPSR-V7 [Internet]. 2021 May 22 [cited 2026 Jun. 4];:16-30. Available from: https://stm.bookpi.org/NUPSR-V7/article/view/1276