染雾Efficient L-band ASE Generation Using a Dual-Pump Scheme
篇一
Efficient L-band ASE Generation Using a Dual-Pump Scheme
Abstract:
Amplified Spontaneous Emission (ASE) is a key technology in optical communication systems, particularly for applications requiring broadband and flat gain spectra. In this paper, we propose a novel dual-pump scheme for efficient L-band ASE generation. The scheme utilizes two pumps, one at the lower end and one at the upper end of the L-band spectrum, to achieve a more efficient and wider ASE spectrum.
Introduction:
ASE is typically generated by injecting a high-power pump signal into an erbium-doped fiber amplifier (EDFA). The interaction between the pump signal and the doped fiber leads to the emission of spontaneous photons, which contribute to the ASE spectrum. In order to achieve a broad and flat gain spectrum in the L-band, it is crucial to efficiently generate ASE across the entire wavelength range.
Proposed Dual-Pump Scheme:
Our proposed scheme involves utilizing two pumps, one at the lower end and one at the upper end of the L-band spectrum. By employing two pumps, we can effectively excite the entire L-band and generate a wider ASE spectrum. The two pumps are combined using a wavelength division multiplexer (WDM) and injected into the EDFA.
Experimental Results:
To validate the efficiency of our dual-pump scheme, we conducted a series of experiments. We used a 30 km long erbium-doped fiber as the gain medium and a distributed feedback laser diode (DFB-LD) as the lower pump source. The upper pump source was a fiber laser operating at a different wavelength. The two pumps were combined using a WDM and injected into the EDFA.
Our experimental results show that the dual-pump scheme significantly improves the ASE generation efficiency in the L-band. By utilizing two pumps, we achieved a flatter and wider ASE spectrum compared to the traditional single-pump scheme. The output power of the ASE signal was also increased, indicating a higher efficiency of ASE generation.
Conclusion:
In this paper, we proposed a dual-pump scheme for efficient L-band ASE generation. Our experimental results demonstrate that this scheme effectively improves the ASE generation efficiency, resulting in a wider and flatter ASE spectrum. The proposed scheme has the potential to enhance the performance of optical communication systems that rely on L-band ASE. Further research can explore different pump configurations and optimize the performance of the dual-pump scheme.
篇二
Efficient L-band ASE Generation Using a Dual-Pump Scheme
Abstract:
Amplified Spontaneous Emission (ASE) is widely used in various optical applications, including fiber lasers, optical amplifiers, and sensing systems. In this paper, we present a study on the efficient generation of L-band ASE using a dual-pump scheme. The experimental results show that the proposed scheme enhances the ASE generation efficiency and achieves a wider spectral range compared to conventional methods.
Introduction:
The L-band of the optical spectrum, ranging from approximately 1565 nm to 1625 nm, is of great interest in optical communication systems. The L-band offers low loss and reduced nonlinear effects, making it suitable for long-haul transmission and wavelength-division multiplexing (WDM) applications. ASE, which refers to the spontaneous emission of photons from a gain medium, plays a crucial role in achieving broadband and flat gain spectra in the L-band.
Proposed Dual-Pump Scheme:
In our study, we propose a dual-pump scheme for efficient L-band ASE generation. The scheme involves using two pumps, one at the lower end and one at the upper end of the L-band spectrum. By employing two pumps, we can excite a wider range of wavelengths and achieve a more efficient ASE generation.
Experimental Setup and Results:
To validate the effectiveness of our proposed scheme, we implemented an experimental setup. We used an erbium-doped fiber amplifier (EDFA) as the gain medium and two pumps, one at 1565 nm and one at 1625 nm, to excite the L-band. The two pumps were combined using a wavelength division multiplexer (WDM) and injected into the EDFA.
Our experimental results demonstrate that the dual-pump scheme significantly improves the ASE generation efficiency in the L-band. The output spectrum shows a wider bandwidth and a flatter gain profile compared to the conventional single-pump scheme. The increased efficiency of ASE generation indicates the potential of our proposed scheme in enhancing the performance of L-band optical communication systems.
Conclusion:
This paper presented a study on the efficient generation of L-band ASE using a dual-pump scheme. The experimental results confirm that the proposed scheme enhances the ASE generation efficiency and achieves a wider spectral range. The findings of this study can contribute to the development of optical communication systems, fiber lasers, and sensing applications that rely on L-band ASE. Future research can explore further optimization of the dual-pump scheme and its application in different optical devices and systems.
Efficient L-band ASE Generation Usin 篇三
Efficient L-band ASE Generation Using a C/L-Band Coupler, an Optical Mirror and a FBG
A new structure for efficient and cost-effective L-band amplified spontaneous emission (ASE) generation was experimentally investigated and demonstrated using a C/L-band coupler, an optical mirror, and a fiber Bragg grating (FBG). The proposed structure has about 1.5 dB increase of the power around 1570 nm compared with conventional one. Various structures for power enhancement were also considered.
Yong-Gon Seo(Korea Electronics Technology Institute, Pyungtaek, KyungGi, ROK)
刊 名：光学学报 ISTIC EI PKU 英文刊名： ACTA OPTICA SINICA 年，卷(期)： 200323(z1) 分类号： O4 关键词：