研究目的
To study data suppression characteristics of a semiconductor optical amplifier with a Faraday rotator mirror for wavelength-reuse WDM-PON and demonstrate bidirectional transmission over 10 km assisted by spectral trimming using a Fabry-Perot etalon.
研究成果
The study demonstrated the feasibility of using an RSOA with an FRM and FP for data suppression in wavelength-reuse WDM-PON, achieving bidirectional transmission over 10 km with specific penalties in received optical power and extinction ratio. The cyclic behavior in frequency response can be mitigated by reducing the distance between the SOA and FRM.
研究不足
The cyclic behavior in the frequency response due to the fiber pigtails between the SOA and FRM, and the requirement for a higher received optical power and extinction ratio compared to using two travelling-wave SOAs.
1：Experimental Design and Method Selection:
The study involves the use of a semiconductor optical amplifier (SOA) with a Faraday rotator mirror (FRM) and a Fabry-Perot etalon (FP) for data suppression in wavelength-reuse WDM-PON. The methodology includes measuring the frequency response of the proposed device and conducting bidirectional transmission experiments over 10 km.
2：Sample Selection and Data Sources:
The experiment uses a distributed feedback laser diode (DFB-LD) for generating downstream signals and a reflective SOA (RSOA) for data suppression.
3：List of Experimental Equipment and Materials:
Equipment includes DFB-LD, LN intensity modulator (LNM), erbium-doped fiber amplifier (EDFA), attenuator (ATT), arrayed-waveguide grating (AWG), single-mode fiber (SMF), power meter (PM), photo detector (PD), bit error rate tester (BERT), polarization controller (PC), Fabry-Perot etalon (FP), semiconductor optical amplifier (SOA), and Faraday rotator mirror (FRM).
4：Experimental Procedures and Operational Workflow:
The downstream signal is generated, amplified, and attenuated before being transmitted over 10 km SMF. The ONU receives the signal, suppresses the data using the RSOA and FP, and remodulates the carrier for upstream transmission.
5：Data Analysis Methods:
The performance is evaluated by measuring bit error rates (BERs) and analyzing eye patterns of the upstream and downstream signals.
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获取完整内容-
semiconductor optical amplifier
Data suppression in wavelength-reuse WDM-PON
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Faraday rotator mirror
Reflecting light with orthogonal polarization to prevent interference
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Fabry-Perot etalon
Spectral trimming of high frequency components
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distributed feedback laser diode
DFB-LD
Generating downstream signals
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LN intensity modulator
LNM
Modulating the intensity of the optical signal
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erbium-doped fiber amplifier
EDFA
Amplifying the optical signal
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arrayed-waveguide grating
AWG
Wavelength multiplexing and demultiplexing
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single-mode fiber
SMF
Transmitting the optical signal over 10 km
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