本文選題：被動(dòng)鎖模光纖激光器 + 自相似脈沖��； 參考：《吉林大學(xué)》2016年博士論文

【摘要】：目前,光纖通信系統(tǒng)中最常用的信息載體是光孤子。光孤子可以在反常色散光纖中實(shí)現(xiàn)保形傳輸,但是光孤子的單脈沖能量受到非線(xiàn)性效應(yīng)的限制,光能量無(wú)法發(fā)揮很高的水平,雖然傳輸中受到的損耗很小,但是在實(shí)際傳輸過(guò)程中需要在一定的傳輸距離后對(duì)光孤子進(jìn)行中繼放大。要實(shí)現(xiàn)光纖通信系統(tǒng)的遠(yuǎn)距離無(wú)中繼傳輸,需要從系統(tǒng)光源和傳輸信道兩方面入手,對(duì)現(xiàn)有系統(tǒng)進(jìn)行改進(jìn)。本文針對(duì)以上兩個(gè)問(wèn)題,分別對(duì)自相似鎖模光纖激光器和自相似脈沖在光纖中的傳輸過(guò)程進(jìn)行了研究,主要完成了以下幾個(gè)方面的研究工作:1、對(duì)被動(dòng)鎖模摻鐿光纖激光器輸出自相似脈沖的色散范圍和特性進(jìn)行了仿真研究。數(shù)值分析了激光器腔內(nèi)凈色散、飽和增益能量和有限增益帶寬等對(duì)輸出自相似脈沖的脈寬、峰值功率等參數(shù)的影響。對(duì)激光器輸出自相似脈沖進(jìn)行了定量研究。2、對(duì)被動(dòng)鎖模光纖激光器內(nèi)自相似脈沖對(duì)的相互作用機(jī)理進(jìn)行了探索性的研究。實(shí)驗(yàn)結(jié)果表明,這種脈沖相互作用的現(xiàn)象首先取決于脈沖對(duì)間的間隔距離,距離越近作用越明顯;其次,這種作用的強(qiáng)度也與增益飽和能量、腔內(nèi)整體色散有關(guān),表現(xiàn)出脈沖的排斥遠(yuǎn)離或脈沖的吸引碰撞。通常情況下,當(dāng)脈沖距離與脈沖寬度相比很大的時(shí)候,脈沖間的作用力就已經(jīng)很小,可以忽略不計(jì)。相反,在本文中,自相似脈沖的作用力范圍要遠(yuǎn)遠(yuǎn)大于這個(gè)范圍。從實(shí)驗(yàn)結(jié)果中可以看出,在脈沖寬度為1ps,脈沖間距離為20ps的情況下仍然存在著相互作用力。自相似脈沖對(duì)間的相互作用還與增益帶寬有關(guān),較大的增益帶寬條件下的作用力更大。3、對(duì)自相似脈沖和自相似脈沖對(duì)在單模光纖中的傳輸過(guò)程進(jìn)行了詳細(xì)研究。研究表明,單一色散光纖并不能支持自相似脈沖和自相似脈沖對(duì)的保形傳輸。通過(guò)使用色散管理技術(shù),可以實(shí)現(xiàn)這一點(diǎn)。本文對(duì)色散管理光纖的色散分布和長(zhǎng)度進(jìn)行了適當(dāng)調(diào)整,定量分析了以上兩種參數(shù)對(duì)自相似脈沖傳輸過(guò)程中的波形、能量、脈寬和譜寬等因素的影響,找到了其中的規(guī)律。這部分結(jié)論對(duì)遠(yuǎn)距離無(wú)中繼光通信系統(tǒng)有一定的學(xué)術(shù)意義。通過(guò)對(duì)上述問(wèn)題的研究,本文取得了以下幾個(gè)方面的成果:1、建立了被動(dòng)鎖模光纖激光器的數(shù)學(xué)模型,提出了一種產(chǎn)生自相似脈沖的光纖激光器結(jié)構(gòu)。開(kāi)創(chuàng)性地對(duì)光纖激光器中自相似脈沖對(duì)的相互作用情況進(jìn)行了研究,分析了內(nèi)在的作用機(jī)制,指出非線(xiàn)性相移在自相似脈沖間的作用中起主導(dǎo)作用,找到抑制非線(xiàn)性相移的方法就可以減小脈沖間的作用。研究結(jié)果將對(duì)實(shí)際自相似鎖模激光器的實(shí)驗(yàn)研究和優(yōu)化設(shè)計(jì)提供理論參考;2、利用非線(xiàn)性薛定諤方程,對(duì)自相似脈沖和自相似脈沖對(duì)在光纖中的傳輸理論進(jìn)行了研究。在單一色散光纖無(wú)法支持自相似脈沖保形傳輸?shù)那闆r下,提出了一種利用色散管理光纖實(shí)現(xiàn)自相似脈沖遠(yuǎn)距離保形傳輸?shù)姆椒�。仿真結(jié)果證明,使用色散管理光纖作為自相似脈沖的傳輸介質(zhì)要遠(yuǎn)遠(yuǎn)優(yōu)于單一色散光纖和常見(jiàn)的色散漸減光纖。這部分結(jié)論對(duì)實(shí)現(xiàn)遠(yuǎn)距離無(wú)中繼光通信系統(tǒng)有一定的指導(dǎo)意義,并將促進(jìn)自相似脈沖在光纖通信系統(tǒng)中的應(yīng)用。
[Abstract]:At present, the most commonly used information carrier in optical fiber communication system is optical soliton. The optical soliton can achieve conformal transmission in the anomalous dispersion fiber, but the single pulse energy of the optical soliton is limited by the nonlinear effect, and the light energy can not play a very high level. Although the loss is very small in the transmission, it needs to be transmitted in the actual transmission process. In order to realize the long distance and non relay transmission of the optical fiber communication system, we need to improve the existing system from the two aspects of the system light source and transmission channel. In this paper, the self similar mode locked fiber laser and the self similar pulse transmission in the optical fiber are carried out for the above two problems. The main research work is completed. 1, the dispersion range and characteristics of the passive mode locked ytterbium doped fiber laser output self similar pulse are simulated. The pulse width and peak of the output self similar pulse are analyzed by the numerical analysis of the net dispersion, the saturation gain energy and the limited gain bandwidth. The influence of the value power and other parameters. A quantitative study of the laser output self similar pulse is carried out. The interaction mechanism of the self similar pulse pair in a passive mode locked fiber laser is explored. The experimental results show that the phenomenon of the pulse interaction depends first on the interval distance between the pulse pairs, the closer the distance is, the closer the effect is to the.2 pulse. The more obvious it is; secondly, the strength of the action is also related to the gain saturation energy, the overall dispersion of the cavity, showing the pulse's exclusion or pulse attraction collision. Generally, when the pulse distance is large compared to the pulse width, the force between the pulses is very small and can be ignored. On the contrary, in this paper, self similar pulse is taken. The interaction force of the impulse is far greater than that in this range. It can be seen from the experimental results that the interaction force still exists when the pulse width is 1ps and the distance between the pulses is 20ps. The interaction between the self similar pulses is also related to the gain bandwidth, and the force under the larger gain bandwidth is more.3, and the self similar pulse is used. The transmission process of the self similar pulse in the single mode fiber is studied in detail. The study shows that the single dispersion fiber does not support the conformal transmission of the self similar pulse and the self similar pulse pairs. The dispersion management technique can be used to achieve this point. The dispersion distribution and length of the dispersion managed fiber are properly adjusted in this paper. The influence of the above two parameters on the waveform, energy, pulse width and spectrum width of the self similar pulse transmission is quantitatively analyzed, and the rules are found. This conclusion has some academic significance for the long distance non medium relay communication system. Through the study of the above problems, the following achievements are obtained in this paper: 1 The mathematical model of a passive mode locked fiber laser is set up. A self similar pulse fiber laser structure is proposed. The interaction of self similar pulse pairs in the fiber laser is studied and the internal mechanism is analyzed. It is pointed out that the nonlinear phase shift plays a leading role in the function of self similar pulses. Finding a method to suppress the nonlinear phase shift can reduce the effect of the pulse. The results will provide a theoretical reference for the experimental research and optimization of the actual self similar mode locked laser. 2, the theory of the transmission theory of self similar pulse and self similar pulse in the optical fiber is studied by using nonlinear Schrodinger equation. When fiber can not support the self similar pulse conformal transmission, a method of realizing the self similar pulse long distance preserving transmission by using dispersion managed fiber is proposed. The simulation results show that the dispersion managed fiber as a self similar pulse transmission medium is far superior to the single dispersion fiber and the common dispersion decreasing fiber. The conclusion has some guiding significance for realizing long-distance non repeater optical communication system, and will promote the application of self similar pulse in optical fiber communication system.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：博士
【學(xué)位授予年份】：2016
【分類(lèi)號(hào)】：TN248

【相似文獻(xiàn)】

相關(guān)期刊論文 前10條

1 楊青,俞本立,甄勝來(lái),孫志培,吳海濱;光纖激光器的發(fā)展現(xiàn)狀[J];光電子技術(shù)與信息;2002年05期

2 朱萬(wàn)彬,潘玉寨,楊慶鑫,王立軍;光纖激光器的發(fā)展[J];光機(jī)電信息;2002年04期

3 曉晨;2002年光纖激光器研究與應(yīng)用最新進(jìn)展研討會(huì)[J];激光與光電子學(xué)進(jìn)展;2002年08期

4 譚中偉,傅永軍,劉艷,寧提綱,裴麗,簡(jiǎn)水生;光纖激光器研究和進(jìn)展[J];現(xiàn)代有線(xiàn)傳輸;2002年01期

5 譚中偉,劉艷,傅永軍,寧提綱,裴麗,簡(jiǎn)水生;光纖激光器的混沌現(xiàn)象分析[J];中國(guó)激光;2003年04期

6 ;光纖激光器[J];光機(jī)電信息;2003年06期

7 宋曉舒;光纖激光器在空軍中的應(yīng)用[J];光機(jī)電信息;2003年11期

8 張德龍;具有潛在工業(yè)應(yīng)用前景的光纖激光器[J];光機(jī)電信息;2004年03期

9 劉美紅;共摻驅(qū)動(dòng)2μm光纖激光器[J];激光與光電子學(xué)進(jìn)展;2004年11期

10 陳曉燕;;光纖激光器的發(fā)展與應(yīng)用[J];電子元器件應(yīng)用;2004年11期

相關(guān)會(huì)議論文 前10條

1 吳文華;冉洋;熊松松;陳鑫;;光纖激光器的醫(yī)療應(yīng)用研究[A];2009年先進(jìn)光學(xué)技術(shù)及其應(yīng)用研討會(huì)論文集（上冊(cè)）[C];2009年

2 陳曉燕;;光纖激光器的發(fā)展與應(yīng)用[A];中國(guó)電子學(xué)會(huì)第十三屆電子元件學(xué)術(shù)年會(huì)論文集[C];2004年

3 曲宙;李秋實(shí);曲偉;趙崇光;;淺析高功率光纖激光器的應(yīng)用[A];科技創(chuàng)新與節(jié)能減排——吉林省第五屆科學(xué)技術(shù)學(xué)術(shù)年會(huì)論文集（上冊(cè)）[C];2008年

4 閆大鵬;李成;李立波;劉曉旭;;大功率光纖激光器的產(chǎn)業(yè)化國(guó)產(chǎn)化解決方案[A];科技引領(lǐng)產(chǎn)業(yè)、支撐跨越發(fā)展——第六屆湖北科技論壇論文集萃[C];2011年

5 劉俊剛;羅君;歐代永;;光纖激光器的發(fā)展動(dòng)態(tài)和應(yīng)用前景[A];全國(guó)第十二次光纖通信暨第十三屆集成光學(xué)學(xué)術(shù)會(huì)議論文集[C];2005年

6 王志華;;光纖激光器應(yīng)用綜述[A];上海市激光學(xué)會(huì)2005年學(xué)術(shù)年會(huì)論文集[C];2005年

7 侯靜;肖瑞;陳子倫;張斌;;3路光纖激光器陣列相干合成輸出[A];中國(guó)光學(xué)學(xué)會(huì)2006年學(xué)術(shù)大會(huì)論文摘要集[C];2006年

8 劉艷格;董孝義;袁樹(shù)忠;開(kāi)桂云;劉波;付圣貴;王志;;全光纖激光器與放大器研究(特邀)[A];中國(guó)光學(xué)學(xué)會(huì)2006年學(xué)術(shù)大會(huì)論文摘要集[C];2006年

9 季恒;楊四剛;尹飛飛;謝世鐘;;一種基于等效相移的新型雙波長(zhǎng)光纖激光器[A];全國(guó)第十三次光纖通信暨第十四屆集成光學(xué)學(xué)術(shù)會(huì)議論文集[C];2007年

10 劉雪明;;光克爾效應(yīng)的能量自穩(wěn)定理論及在光纖激光器的應(yīng)用[A];全國(guó)第十三次光纖通信暨第十四屆集成光學(xué)學(xué)術(shù)會(huì)議論文集[C];2007年

相關(guān)重要報(bào)紙文章 前10條

1 戴勁松;具有國(guó)際先進(jìn)水平的光纖激光器問(wèn)世[N];大眾科技報(bào);2007年

2 記者 涂亞卓　通訊員 廖巧玲 實(shí)習(xí)生 余笑寒;高性能光纖激光器開(kāi)發(fā)成功[N];湖北日?qǐng)?bào);2008年

3 戴勁松;我國(guó)自主研發(fā)高性能光纖激光器打破國(guó)際壟斷格局[N];大眾科技報(bào);2008年

4 本報(bào)記者 胡Z，

本文編號(hào)：1911393