scholarly journals Mode density multiplication of an optical frequency comb by N2 with phase modulation

2018 ◽  
Vol 26 (19) ◽  
pp. 24551 ◽  
Author(s):  
Taro Hasegawa
Keyword(s):  
Phase Modulation ◽  
Frequency Comb ◽  
Optical Frequency Comb ◽  
Optical Frequency

scholarly journals Cross-Phase Modulation Based Ultra-Flat 90-Line Optical Frequency Comb Generation

2021 ◽  
Author(s):  
Vishal Sharma ◽  
surinder singh ◽  
Lovkesh Bhatia ◽  
Elena A. Anashkina ◽  
Alexey V. Andrianov
Keyword(s):  
Phase Modulation ◽  
Frequency Comb ◽  
Optical Signal ◽  
Optical Frequency Comb ◽  
Optical Frequency ◽  
Cross Phase Modulation ◽  
Central Wavelength ◽  
Highly Nonlinear ◽  
Line Spacing ◽  
Comb Generation

Abstract This paper proposed an approach to design an evenly spaced, 1.8 THz spectrally broad and 1.6 dB flat optical frequency comb (OFC) by exploiting the cross-phase modulation in highly nonlinear fiber. The OFC is realized by controlling the phase of the signals in two parallelly placed highly nonlinear fibers. The frequency and line spacing of the OFC can be tuned by simply varying the periodicity and central wavelength of input electrical and optical signal, respectively.

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