本文關(guān)鍵詞：基于重構(gòu)等效啁啾技術(shù)的串聯(lián)可調(diào)諧光模塊的封裝研究　出處：《南京大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 可調(diào)諧激光器模塊 光子集成器件 REC技術(shù) 封裝

【摘要】：隨著移動通信寬帶接入、固定寬帶接入等通信業(yè)務(wù)的不斷普及以及云計算、互聯(lián)網(wǎng)和大型數(shù)據(jù)中心的迅猛發(fā)展,下一代WDM傳輸系統(tǒng)和光網(wǎng)絡(luò)中心對數(shù)據(jù)傳輸速率和處理信息的能力幾乎成指數(shù)型增長,使得如今信息化社會對帶寬的需求達(dá)到前所未有的高度。低成本的WDM技術(shù)應(yīng)用需求非常強(qiáng)勁。密集波分復(fù)用技術(shù)(Dense wavelength division multiplexing, DWDM)是有效提高帶寬、實現(xiàn)高速傳輸?shù)年P(guān)鍵技術(shù)之一,實現(xiàn)光電之間轉(zhuǎn)換功能的DWDM光模塊成為關(guān)鍵器件,集成度高、體積小、成本低、功耗低、傳輸速率高、波道間串?dāng)_少、傳輸容量大、傳輸距離長是可調(diào)諧光模塊的發(fā)展趨勢。串聯(lián)可調(diào)諧光模塊具有體積小、波長在設(shè)計的通信波段可任意切換調(diào)諧的靈活性、性能穩(wěn)定、制作成本低等優(yōu)勢,滿足了光傳輸容量和速率的需求。因此,串聯(lián)可調(diào)諧激光器陣列光模塊在實現(xiàn)光接入網(wǎng)的數(shù)據(jù)傳輸和帶寬集成方面被認(rèn)為是最合適的技術(shù)之一。本論文主要研究基于重構(gòu)等效啁啾技術(shù)的串聯(lián)可調(diào)諧激光器陣列光模塊的封裝工作的研究,成功研制了八通道串聯(lián)可調(diào)諧半導(dǎo)體激光器1550nm光發(fā)射模塊。開展了八通道可調(diào)諧激光器模塊的封裝結(jié)構(gòu)設(shè)計、理論分析、模塊組裝以及性能測試等研究工作。針對半導(dǎo)體激光器芯片的工作原理,設(shè)計了激光器芯片、TEC、透鏡、隔離器、準(zhǔn)直器和單模光纖輸出耦合的封裝結(jié)構(gòu),固定各個分立的元件,完成管芯級器件封裝；并設(shè)計了驅(qū)動電路、溫控電路等模塊,實現(xiàn)電流和溫度信息的采集和反饋,在此基礎(chǔ)上完成了單模光纖輸出的可調(diào)諧激光器模塊的組裝。通過對溫度、電流參數(shù)的優(yōu)化,模塊最終實現(xiàn)在1535nm~1560nm波段25.6nm范圍內(nèi)連續(xù)可調(diào),符合ITU-T標(biāo)準(zhǔn)的60個波長通道輸出,且模塊的輸出波長可根據(jù)要求在所有通道內(nèi)任意切換。在整個調(diào)諧范圍內(nèi),輸出光功率在-12dBm以上,波長的邊模抑制比(Side Mode Suppression Ratio, SMSR)在40dB以上,正常工作時耦合進(jìn)單模光纖的光功率可達(dá)到lmW以上。在傳輸性能方面,可調(diào)諧光模塊的線寬在10MHz以下,對該模塊進(jìn)行10km傳輸時的眼圖效果測試,外調(diào)制10 GHz信號,觀察眼圖,得到了很好的傳輸結(jié)果。結(jié)果表明REC技術(shù)在制作能夠滿足波分復(fù)用無源光網(wǎng)絡(luò)(Wavelength Division Multiplexing-Passive Optical Network, WDM-PON)要求的可調(diào)諧激光器模塊上有很大的應(yīng)用前景,模塊應(yīng)用在下一代光網(wǎng)絡(luò)并實現(xiàn)產(chǎn)業(yè)化的可能性。本論文圍繞基于重構(gòu)等效啁啾(REC)技術(shù)的八通道串聯(lián)可調(diào)諧激光器封裝模塊開展理論和實驗研究,介紹了光通信的發(fā)展歷史、WDM-PON技術(shù),闡述了半導(dǎo)體激光器光模塊的分類和研究進(jìn)展,討論了目前各種光模塊的封裝制造技術(shù)、REC技術(shù)的原理及利用該技術(shù)制作DFB激光器陣列的工藝流程,串聯(lián)可調(diào)諧激光器發(fā)射光模塊的耦合光路分析、封裝設(shè)計和制造工藝流程,對陣列激光器模塊的封裝具有一定的參考價值。本論文的主要研究內(nèi)容如下：基于REC技術(shù)的八通道串聯(lián)可調(diào)諧激光器模塊的封裝進(jìn)行了系統(tǒng)的理論和實驗研究。著重開展了采用TEC控溫電流直接調(diào)制的蝶形封裝激光器陣列光模塊的光路設(shè)計、結(jié)構(gòu)設(shè)計和實際研制等工作。根據(jù)激光器的光電特性,研究了溫度電流對激光器性能的影響,并采用溫度電流補(bǔ)償功率進(jìn)行波長調(diào)諧,為提高耦合效率并降低成本,采用透鏡、隔離器、準(zhǔn)直器耦合到單模光纖的簡單的封裝方式。在研制陣列激光器的封裝模塊過程中,探索并搭建了多通道串聯(lián)可調(diào)諧激光器芯片的測試平臺,設(shè)計了驅(qū)動電路及溫度控制模塊實現(xiàn)電流和溫度信息的反饋,通過優(yōu)化工藝參數(shù),提高光模塊的耦合效率,穩(wěn)定封裝工藝,提高良品率,最終實現(xiàn)ITU-T標(biāo)準(zhǔn)通信波長輸出。本論文實現(xiàn)了八通道串聯(lián)激光器光模塊的研制工作,在傳統(tǒng)的單芯片封裝方式的基礎(chǔ)上進(jìn)行優(yōu)化設(shè)計,解決了串聯(lián)陣列芯片封裝工藝的難題,并實現(xiàn)光發(fā)射模塊波長可調(diào),在16.8GHz信號10km傳輸性能穩(wěn)定,具有制作成本低、性能穩(wěn)定等特點,在實驗制作和實際應(yīng)用中有著很大的意義。
[Abstract]:With the development of mobile communication and broadband access, fixed broadband access and other communications services and the growing popularity of cloud computing, the Internet and the rapid development of large data centers, the ability of the next generation of WDM transmission system and optical network center for the rate of data transmission and processing of information almost exponential growth, which is now the information society's demand for bandwidth to hitherto unknown the application of WDM technology. High demand low cost is very strong. DWDM Technology (Dense wavelength division multiplexing, DWDM) is effective in improving the bandwidth, one of the key technologies of high-speed transmission, the realization of DWDM optical module become the key device between the photoelectric conversion function, high integration, small volume, low cost, power consumption low, high transmission rate, channel crosstalk, large transmission capacity, long transmission distance is the trend of development of tunable optical module. The series of tunable optical module has a body Small, arbitrary switching wavelength can be tuned in the communication band design flexibility, stable performance, low manufacturing cost advantages, to meet the light transmission capacity and the rate of demand. Therefore, a series of tunable laser array optical module in data transmission bandwidth and realizing integration of optical access network is considered to be one of the most appropriate technology. This paper mainly studies the research work of the series based on encapsulation technology of reconstruction equivalent chirp tunable laser array optical module, has successfully developed eight channel series tunable semiconductor laser 1550nm light emitting module. Theoretical analysis of package structure design, carry out the eight channel tunable laser module, module assembly and performance testing research work. According to the principle of semiconductor laser chip, the design of laser chip, TEC, lens, isolator, collimator and single-mode fiber output package Fixed structure, discrete components, complete the die level device package; and the design of the driving circuit, temperature control circuit and other modules, to realize the current and temperature information collection and feedback, based on a single-mode fiber output of the tunable laser module assembly. Based on the current temperature, optimization parameters, finally realize the continuous module adjustable in the range of 25.6nm 1535nm~1560nm band, 60 wavelength channel output conforms to the ITU-T standard, the output wavelength and module according to the requirements of any in all channel switching. During the whole tuning range, output power is over -12dBm, side mode suppression ratio (Side wavelength Mode Suppression Ratio, SMSR) in more than 40dB the optical power coupled into a single-mode fiber, normal working hours can reach more than lmW. In the transmission performance, tunable optical module width below 10MHz, 10km on the transmission module The eye test results, 10 GHz external modulation signal, observe the eye diagram, obtained transmission good results. The results show that REC technology can meet the wavelength division multiplexing passive optical network (Wavelength Division Multiplexing-Passive Optical in Network, WDM-PON) requirements can have great application potential in tunable laser module, the module used in the next generation optical network and possibility of realizing industrialization. This paper focuses on reconstruction equivalent chirp (REC) technique based on eight channel series tunable laser package module to carry out theoretical and experimental research, introduces the development history of WDM-PON optical communication technology, expounds the classification and research progress of optical module of semiconductor laser, discussed several kinds of optical module packaging manufacturing technology, and using the principle of REC technology and the technological process for making DFB laser array series, tunable laser light emission module Analysis of coupling block, package design and manufacturing process, the array laser module packaging has a certain reference value. The main research contents of this thesis are as follows: Based on the eight channel REC Technology Series tunable laser module packaging was studied theoretically and experimentally. Focuses on the optical design of butterfly package laser array optical module using direct current modulation TEC temperature control, structure design and actual development. According to the photoelectric characteristics of the laser, the effects of temperature on the current performance of the laser, and the temperature compensation of current power tuning, in order to improve coupling efficiency and reduce the cost, the isolator, collimator lens, coupling to fiber simple package. The package module development process of laser array, to explore and build a multi channel series tunable laser The test chip platform, realization of feedback current and temperature information of driving circuit and temperature control module design, by optimizing process parameters and improve the coupling efficiency of the optical module, stable packaging process, improve yield rate, finally realizes the ITU-T standard communication wavelength. The development work to achieve the eight channel series laser light module the optimization design based on single chip package of traditional way, solve the problem of tandem array chip packaging technology, and the realization of wavelength tunable optical transmitter module, signal transmission in 16.8GHz 10km has stable performance, low production cost, stable performance characteristics, is of great significance in experiment and actual production in the application.

【學(xué)位授予單位】：南京大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TN929.1

【參考文獻(xiàn)】

相關(guān)期刊論文 前3條

1 賈豫東;歐攀;楊遠(yuǎn)洪;張春熹;;短光纖延時自外差法測量窄線寬激光器線寬[J];北京航空航天大學(xué)學(xué)報;2008年05期

2 趙梓森;;光纖通信的過去、現(xiàn)在和未來[J];光學(xué)學(xué)報;2011年09期

3 劉肖民;半導(dǎo)體激光器光學(xué)系統(tǒng)準(zhǔn)直特性的研究[J];應(yīng)用光學(xué);2000年06期

相關(guān)博士學(xué)位論文 前1條

1 周亞亭;新型分布反饋式半導(dǎo)體激光器及其陣列研究[D];南京大學(xué);2012年

，

本文編號：1408152