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VISHAL SHARMA1, SURINDER SINGH1,* , LOVKESH2
The proposed work reports a technique to realize an optical frequency comb by the exploitation of cross-phase modulation experienced by an optical signal while propagating through the two semiconductor optical amplifiers placed in MachZehnder interferometric configuration. The periodicity and the compression of optical pulses define the frequency line spacing and maximum power deviation of the optical frequency comb. By doing so, we realize a 1.28 THz spectrally broad, 20 GHz line spaced, 2.3 dB spectrally flat, and 64-line optical frequency comb.
Optical frequency comb, Semiconductor optical amplifier, Cross-phase modulation.
VISHAL SHARMA, SURINDER SINGH, LOVKESH, XPM assisted optical frequency comb generator in SOA, Optoelectronics and Advanced Materials - Rapid Communications, 17, 7-8, July-August 2023, pp.295-300 (2023).
Submitted at: Jan. 21, 2023
Accepted at: Aug. 7, 2023
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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