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中国科学院上海光学精密机械研究所 揭示了ASE源应用于同向单频拉曼光纤放大器的可能性(图)
光纤 激光技术 放大器 信号光 低噪声ASE源
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2021/8/19
近日，中国科学院上海光学精密机械研究所高功率光纤激光技术实验室在单频拉曼光纤放大器领域取得新进展。探索放大的自发辐射（ASE）源同向泵浦单频拉曼放大器的输出特性，揭示了低噪声的ASE源能够在同向泵浦单频拉曼放大器时不展宽信号光线宽。该研究提供了一种同向泵浦单频拉曼放大器的新思路。相关研究成果发表在Optics Express（《光学快报》）上。
System Impairments and Performance Implications of ASE Seeded WDM PON Systems
ASE Seeded WDM PON Systems Performance Implications System Impairments
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2015/5/18
Systematic analysis of various impairments in ASE seeded WDM PONs is presented and transmission performance limitations are determined in this paper. From a system perspective,characteristics of color...
An ASE-Injected FP-LD-Based Return-to-Zero Transmitter for Long-Reach WDM-PONs
Fiber optics optical communications Fiber optics communications
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2015/6/10
We propose and demonstrate a simple RZ transmitter based on incoherent-light-injected FP-LD which improves the dispersion tolerance by a factor of 1.5. Thanks to wide timing margin between adjacent bi...
In-Service Chromatic Dispersion and Pass-Band Shape Measurements for Light Path with Modulated ASE Source
Networks wavelength routing Fiber measurement
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2015/6/5
A tunable modulated broadband source and narrow-bandwidth filter are used to measure chromatic dispersion, group-delay ripple, and pass-band shape of DWDM-network light paths. This new method is simpl...
Fortistis: Split Extension in Dense Passive Optical Networks by Inline Amplification with Remote ASE-Shaped Pump Delivery via Colorless Optical Network Units
Fiber optics communications Networks Multiplexing
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2015/6/4
A method for extending the customer density via ASE-pumped splitters in the tree in a WDM/TDM-PON is presented. The influence of Rayleigh backscattering in the feeder is faced,originally prohibiting a...
Effect of PDL in WDM-PON Based on ASE Seeded RSOA
PDL WDM-PON ASE Seeded RSOA
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2015/7/17
We investigate the effect of polarisation dependent loss (PDL) in wavelength division multiplexing-passive optical network (WDM-PON) with injection seeded reflective semiconductor optical amplifier (R...
Simultaneous Broadband Wired/Millimeter-Wave Band Transmission with Broadcasting Signal Using Direct ASE Modulation of an RSOA for WDM/SCM-PON Systems
Broadband Wired/Millimeter-Wave Band Transmission Broadcasting Signal RSOA for WDM/SCM-PON Systems
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2015/7/17
A novel scheme of simultaneous broadband data transmission for both wired and millimeter-wave band with broadcasting signal is proposed based on a directly modulated amplified spontaneous emission usi...
Fast Experimental BER Extraction of 40 Gb/s Optical Signal Impacted by Jitter, ISI and ASE Noise Using Waveform Sampler
Optical Signal Impacted Jitter ISI ASE Waveform Sampler
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2015/8/4
We present a new experimental BER extraction method using a sampling oscilloscope and statistical processing on EDFA noise, photoreceiver noise, jitter and ISI successfully tested on a 40 Gb/s network...
提出了并实验演示了利用247 cm新型铋基掺铒光纤和10 m传统硅基掺铒光纤联合作为增益介质、采用双向泵浦结构的超宽带放大自发辐射光源.分析了其物理机理,并与其它不同形式的结构,包括已报道的类似结构,做了实验比较和理论分析.在低于240 mW的总泵浦功率和没有使用任何外部谱平坦滤波器的情况下,通过优化传统硅基掺铒光纤长度和两泵浦源的功率,获得了96 nm（1 522 nm～1 618 nm）的波长...