本文關(guān)鍵詞：基于硅基光波導(dǎo)的光信號(hào)處理　出處：《華中科技大學(xué)》2016年博士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 硅基光子學(xué) 硅基光波導(dǎo) 硅基光子集成器件 光信號(hào)處理 片上光互連 線性光信號(hào)處理 非線性光信號(hào)處理

【摘要】：隨著信息高速時(shí)代的到來,光通信網(wǎng)絡(luò)快速發(fā)展,一方面光網(wǎng)絡(luò)鏈路部分的信息傳輸容量不斷得到提升,另一方面網(wǎng)絡(luò)節(jié)點(diǎn)處的信息處理也呈現(xiàn)出高速大容量、可調(diào)諧、可重構(gòu)及靈活多功能等趨勢(shì)。同時(shí),隨著集成小型化進(jìn)程的推進(jìn),光通信網(wǎng)絡(luò)也廣泛使用集成器件。硅基光子集成器件由于其低成本、尺寸小、容易集成、與金屬氧化物半導(dǎo)體(CMOS)工藝兼容等特點(diǎn),越來越備受關(guān)注。本文開展了基于硅基光波導(dǎo)的片上光互連以及基于硅基光波導(dǎo)線性和非線性效應(yīng)的光信號(hào)處理研究,具體內(nèi)容如下：(1)理論研究了硅基光波導(dǎo)的結(jié)構(gòu)特性和非線性效應(yīng)。①數(shù)值模擬了硅基光波導(dǎo)(條形波導(dǎo)和狹縫光波導(dǎo))的色散和非線性與波長的變化趨勢(shì)。②建立了基于硅基光波導(dǎo)非線性效應(yīng)的全光信號(hào)處理的理論基礎(chǔ),理論研究了硅基光波導(dǎo)中自相位調(diào)制效應(yīng)(SPM)、交叉相位調(diào)制效應(yīng)(XPM)、雙光子吸收效應(yīng)(TPA)、自由載流子吸收(FCA)、簡并四波混頻效應(yīng)(D-FWM)以及非簡并四波混頻效應(yīng)(ND-FWM)等非線性效應(yīng)的耦合波方程。(2)理論和實(shí)驗(yàn)研究了基于硅基光波導(dǎo)的片上光互連。①理論研究了基于硅基光波導(dǎo)(條形波導(dǎo)和狹縫材料為空氣的垂直狹縫光波導(dǎo))的片上光信號(hào)傳輸,理論分析了硅基光波導(dǎo)的非線性效應(yīng)對(duì)高級(jí)調(diào)制格式信號(hào)片上光互連的傳輸影響；②將波分復(fù)用技術(shù)(WDM)、正交頻分復(fù)用(OFDM)和正交幅度調(diào)制(16-QAM)信號(hào)結(jié)合實(shí)驗(yàn)研究了基于硅基垂直狹縫光波導(dǎo)的Tbit/s片上光互連傳輸。③實(shí)驗(yàn)研究了正交頻分復(fù)用偏置正交幅度調(diào)制(OFDM7OQAM) 64/128/256/512-QAM信號(hào)基于硅基微環(huán)的片上光互連,實(shí)驗(yàn)分析了載波波長與硅基微環(huán)的諧振波長偏移量對(duì)片上光互連傳輸?shù)挠绊�。④�?shí)驗(yàn)研究了硅基光子晶體微腔的片上模擬信號(hào)傳輸鏈路,分析了硅基光子晶體微腔對(duì)模擬信號(hào)傳輸鏈路的影響。(3)實(shí)驗(yàn)研究了基于硅基光波導(dǎo)的線性光信號(hào)處理。①利用二維光子晶體光柵和微環(huán)諧振器的結(jié)構(gòu)優(yōu)勢(shì),結(jié)合OFDM/OQAM 64/128-QAM信號(hào)實(shí)驗(yàn)實(shí)現(xiàn)了硅基光子器件的片上偏振和波分復(fù)用解復(fù)用。②實(shí)驗(yàn)研究了基于硅基光波導(dǎo)的片上多個(gè)模式的復(fù)用和解復(fù)用。③設(shè)計(jì)制作了基于硅基光子集成器件的高級(jí)調(diào)制格式硅基微環(huán)調(diào)制器,在絕緣體上硅(SOI)平臺(tái)上實(shí)驗(yàn)實(shí)現(xiàn)了僅基于硅基微環(huán)的強(qiáng)度調(diào)制的高階調(diào)制格式信號(hào)的調(diào)制器。(4)理論和實(shí)驗(yàn)研究了基于硅基光波導(dǎo)的非線性光信號(hào)處理。①實(shí)驗(yàn)研究了基于硅基條形波導(dǎo)D-FWM效應(yīng)的片上OFDM m-QAM信號(hào)的全光波長轉(zhuǎn)換,實(shí)驗(yàn)實(shí)現(xiàn)了高達(dá)256-QAM信號(hào)的片上全光波長轉(zhuǎn)換。②數(shù)值研究了僅用單個(gè)硅基狹縫光波導(dǎo)雙四波混頻效應(yīng)同時(shí)實(shí)現(xiàn)了160-Gbit/s的半加器和半減器,此外,還通過分別引用兩種非線性材料硅納米晶(Si-nc)和有機(jī)高分子聚合物(PTS)作為狹縫材料對(duì)比,得出TPA系數(shù)低的硅基PTS狹縫光波導(dǎo)更適用于非線性光信號(hào)處理。③充分挖掘了基于硅基有機(jī)高分子聚合物狹縫光波導(dǎo)中的多個(gè)ND-FWM效應(yīng)同時(shí)發(fā)生的工作原理,數(shù)值研究了基于硅基有機(jī)高分子聚合物狹縫光波導(dǎo)的三輸入(A、B、C)十六進(jìn)制40GBaud (160-Gbit/s)光加減計(jì)算(A+B-C、A+C-B、B+C-A、A+B+C、A-B-C、B-C-A)。④充分利用基于硅基有機(jī)高分子聚合物混合狹縫光波導(dǎo)的高非線性和低且平坦的色散特性,數(shù)值研究了基于硅基有機(jī)高分子聚合物混合狹縫光波導(dǎo)的ND-FWM的參量衰減效應(yīng)實(shí)現(xiàn)640 GBaud (2.56-Tbit/s) 16-QAM及640 GBaud (3.84-Tbit/s) 64-QAM信號(hào)的光數(shù)據(jù)交換功能。⑤提出并數(shù)值研究了基于硅基有機(jī)高分子聚合物混合狹縫光波導(dǎo)XPM效應(yīng)實(shí)現(xiàn)40 GBaud (160-bit/s) 16-QAM的光信號(hào)加密解密技術(shù)。⑥基于硅基有機(jī)高分子聚合物混合狹縫光波導(dǎo)XPM效應(yīng),提出并理論研究了一種可拓展的全光開關(guān)鍵控(OOK)信號(hào)到高級(jí)調(diào)制格式信號(hào)的碼型轉(zhuǎn)換器,數(shù)值仿真了多路OOK信號(hào)到四相移相鍵控(QPSK)信號(hào)、16/64/256-QAM信號(hào)的碼型轉(zhuǎn)換。⑦利用QPSK信號(hào)及D-FWM非線性相位操控作用,實(shí)驗(yàn)研究并實(shí)現(xiàn)了基于硅基條形波導(dǎo)的片上20Gbit/s兩輸入四進(jìn)制光加減計(jì)算(2A-B、2B-A)。
[Abstract]:With the high speed of information era, the rapid development of optical communication network, on the one hand, the information transmission capacity of optical network link part continuously improve information processing, on the other hand, the network node is also showing a high speed and large capacity, tunable, reconfigurable and flexible multi function trend. At the same time, with the integration of the miniaturization process propulsion, integrated devices are widely used in optical communication networks. Silicon-based integrated photonic devices due to its low cost, small size, easy to be integrated, and the metal oxide semiconductor (CMOS) compatible features, more and more attention. This paper carried out on silicon waveguides on-chip optical interconnection and optical signal processing based on silicon optical waveguide based on linear and nonlinear effects, the specific contents are as follows: (1) theoretical study on structural characteristics and nonlinear effect of the silicon waveguide. The numerical simulation of the optical waveguide based on silicon waveguide and narrow ( The change trend of the joint optical waveguide) and wavelength dispersive and nonlinear. It has established a silicon-based optical waveguide nonlinear effect of optical signal processing theory based on the theory of self phase modulation in optical waveguide based on silicon (SPM), cross phase modulation (XPM), two-photon absorption (TPA). Free carrier absorption (FCA), degenerate four wave mixing (D-FWM) and non degenerate four wave mixing (ND-FWM) coupled wave equation of nonlinear effect. (2) theoretical and Experimental Research on on-chip optical interconnection based on silicon based optical waveguide. The theory of optical waveguide based on silicon (based on the bar the waveguide and the slit material for vertical slit waveguide air) chip signal transmission, transmission theory to analyze the nonlinear effect of optical waveguide based on silicon on advanced modulation format signals on-chip optical interconnect effect; the wavelength division multiplexing (WDM), OF (orthogonal frequency division multiplexing DM) and quadrature amplitude modulation (16-QAM) based on Tbit/s chip interconnect silicon vertical slit optical waveguide based on experiments. The experimental research on signal of orthogonal frequency division multiplexing offset quadrature amplitude modulation (OFDM7OQAM) signal 64/128/256/512-QAM based on silicon based micro ring on-chip optical interconnection, the experimental analysis of the influence of resonant wavelength offset carrier and the wavelength of silicon based micro ring for on-chip optical interconnect transmission. The experimental study on silicon photonic crystal microcavity on chip analog signal transmission link, analyzes the influence of silicon photonic crystal micro cavity on the analog signal transmission link. (3) experimental study on linear optical signal processing based on optical waveguide based on silicon the advantage of the structure. The two-dimensional photonic crystal grating and micro ring resonator, combined with OFDM/OQAM 64/128-QAM signal experimental realization of silicon photonic devices on the polarization and wavelength division multiplexing experiments. Study on the multiplexing and de multiplexing optical waveguide based on silicon chip based on multiple mode. The design of silicon-based integrated photonic devices based on advanced modulation formats of silicon based micro ring modulator in silicon on insulator (SOI) on the platform of the experimental realization of high order modulator modulation format signals only based on silicon based micro ring strength modulation. (4) the theoretical and experimental study on the nonlinear optical signal processing based on silicon based optical waveguide. The experimental study of all-optical wavelength OFDM m-QAM signal based on silicon waveguide D-FWM effect on the conversion based on the experiments achieved up to 256-QAM signal chip all-optical wavelength conversion. The numerical study at the same time to achieve the 160-Gbit/s half adder and half subtracter, using only a single silicon slit waveguide double four wave mixing effect in addition, also by two kinds of nonlinear material reference silicon nanocrystals (Si-nc) and organic macromolecule polymers (PTS) As the slit material comparison, the TPA coefficient is low silicon PTS slit waveguide for nonlinear optical signal processing. The working principle and fully tap the occurrence of multiple ND-FWM effect of silicon based organic polymer optical waveguide based on slit, numerical study of three input silicon organic polymer optical waveguide based on slit (A, B, C) sixteen m 40GBaud (160-Gbit/s) optical calculation (A+B-C, A+C-B, B+C-A, A+B+C, A-B-C, B-C-A). The full use of the high nonlinear silicon based organic polymer hybrid slot optical waveguides and low and flat dispersion characteristics based on Numerical Study on parameters of silicon based organic polymer hybrid slit waveguide ND-FWM attenuation effect for 640 GBaud based on 16-QAM (2.56-Tbit/s) and 640 GBaud (3.84-Tbit/s) optical data exchange function of 64-QAM signal. The proposed and numerical research base In silicon based organic polymer hybrid slit waveguide XPM effect of 40 GBaud (160-bit/s) 16-QAM encryption and decryption technology of optical signal. The silicon based organic polymer hybrid slot optical waveguides based on XPM theory is proposed and studied a scalable all-optical on-off keying (OOK) signal to the advanced modulation format converter signal format, numerical simulation of multi-channel OOK signals to the four phase shift keying (QPSK) signal code, 16/64/256-QAM signal conversion. The use of QPSK signal and D-FWM nonlinear phase control, experimental study and realize the calculation of silicon waveguide chip 20Gbit/s two input four hexadecimal subtraction based on (2A-B, 2B-A light).

【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級(jí)別】：博士
【學(xué)位授予年份】：2016
【分類號(hào)】：TN929.1;TN911.74
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本文編號(hào)：1435684