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1. 中国科学院大学, 北京 100049
2. 中国科学院 福建物质结构研究所, 福建 福州 350002
纸质出版日期:2018-4-5,
网络出版日期:2017-11-3,
收稿日期:2017-8-15,
修回日期:2017-10-12,
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薛正群, 王凌华, 苏辉. 反射式倒装对1 300 nm激光器性能改善的分析[J]. 发光学报, 2018,39(4): 534-540
XUE Zheng-qun, WANG Ling-hua, SU Hui. Analysis The Performance Improvement of 1 300 nm Laser with Reflective Flip Chip Package[J]. Chinese Journal of Luminescence, 2018,39(4): 534-540
薛正群, 王凌华, 苏辉. 反射式倒装对1 300 nm激光器性能改善的分析[J]. 发光学报, 2018,39(4): 534-540 DOI: 10.3788/fgxb20183904.0534.
XUE Zheng-qun, WANG Ling-hua, SU Hui. Analysis The Performance Improvement of 1 300 nm Laser with Reflective Flip Chip Package[J]. Chinese Journal of Luminescence, 2018,39(4): 534-540 DOI: 10.3788/fgxb20183904.0534.
对AlGaInAs多量子阱1 300 nm FP激光器进行反射式倒装封装,在热沉上靠近激光器出光端面约10~20 m的区域采用Au反射层,对器件垂直方向出光进行反射。测试结果显示,与常规封装相比,采用这种结构封装芯片垂直发散角从34.5降低至17,器件单模光纤的平均耦合功率从1 850 W提高至2 326 W,耦合效率从21.1%提高到26.5%。对两种激光器进行光电参数的测量,结果表明:与常规封装器件相比,采用反射式倒装结构器件的饱和电流从135 mA提高至155 mA,饱和输出功率从37 mW提高至42 mW,热阻从194 K/W降低至131 K/W。最后对两种器件在95℃环境温度、100 mA电流下进行加速老化实验,老化结果显示:在老化条件下,器件衰退系数从常规封装的4.2210
-5
降低至1.0610
-5
,寿命从5 283 h提高至21 027 h。
AlGaInAs MQWs 1 300 nm FP lasers were packaged p-side down with a reflective submount which had 10-20 m Au film near the facets of laser bare die. Compared to convention package form laser (LD-B)
the divergence angle at FWHM of flip chip (LD-A) with a Au reflector decreases from 34.5 to 17
and the average SMF coupling power increases from 1 850 W to 2 326 W
as the coupling efficiency increases from 21.1% to 26.5%. Compared to LD-B
the saturated current of LD-A increases from 135 mA to 155 mA
the saturated output power increasses from 37 mW to 42 mW
and the thermal resistance decreases from 194 K/W to 131 K/W. Finnaly
the aging experiments are carried out under the condition of 95℃ ambient temperature and 100 mA injection current. Compared to LD-B
the degradation coefficient of LD-A under aging condition decreases from 4.2210
-5
to 1.0610
-5
and the lifetime increases from 5 283 h to 21 027 h.
AlGaInAs多量子阱激光器倒装Au反射层发散角加速老化
AlGaInAs MQWs laserflip chipAu reflectordivergence angleaccelerated aging
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