Abstract
We design a competent gain-flattened and noise figure in L-band hybrid optical amplifier using a hybrid configuration with a Raman amplifier (Raman) and quantum-dot vertical-cavity semiconductor (QDVC-SOA) for a 400×20 Gbps super-dense wavelength division multiplexing system (SD-WDM) at channel spacing 100 GHz. The proposed hybrid optical amplifier (HOA) shows that it can be constituted into an optical amplifier-based subsystem, such that the Raman semiconductor optical amplifier (RAMAN-SOA), the erbium-doped fiber amplifier (EDFA-SOA), and an EDFA-EDFA with similar characteristics can flatten the gain for 100 GHz SD-WDM application; our investigation demonstrates a flat gain of 28.55 dB at 1597 nm. In addition, the highest value of flat gain, equal to 28.55 dB, is obtained from the Raman–QDVC-SOA HOA with a minimum variation of 1.4 dB from 1560 to 1630 nm. Further, the noise figure (0.5 dB) demonstrates the minimum value reported for a Raman amplifier–QDVC-SOA hybrid optical amplifier at channel spacing 100 GHz for the L-band, and this fact is experimentally demonstrated.
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Kumar, C., Kumar, G. Flattened Gain/Noise Figure in L-Band Consisting of Cascaded Raman Quantum-Dot Vertical-Cavity Semiconductor Hybrid Optical Amplifier for Super-Dense Wavelength Division Multiplexing System. J Russ Laser Res 41, 230–234 (2020). https://doi.org/10.1007/s10946-020-09869-7
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DOI: https://doi.org/10.1007/s10946-020-09869-7