SPECTRAL BEHAVIOR OF 1.5 MU-M BIG-DBR-DSM LASERS

被引：4
作者：
POSADAS, LS [1 ]
KOMORI, K [1 ]
TOHMORI, Y [1 ]
ARAI, S [1 ]
SUEMATSU, Y [1 ]
机构：
[1] TOKYO INST TECHNOL,DEPT PHYS ELECTR,TOKYO 152,JAPAN
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 1987年 / 23卷 / 06期
关键词：
SEMICONDUCTING INDIUM COMPOUNDS - SPECTRUM ANALYSIS;
D O I：
10.1109/JQE.1987.1073401
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Direct modulation properties of dynamic single-mode (DSM) distributed Bragg reflector (DBR) lasers with a bundle-integrated-guide (BIG) structure were investigated by measuring both the time-averaged and the time-resolved spectra. A side-mode suppression ratio of over 30 dB was obtained from time-averaged measurements, with the modulation frequency in the range of 250 MHz-2 GHz. The dynamic wavelength shift at the -3-dB level obtained from both time-averaged and time resolved measurements was less than 2 angstrom. Time-resolved measurements showed an oscillatory behavior of the dynamic wavelength shift; both red and blue shifts were also observed. Calculations based on a numerical solution of the rate equations agreed quantitatively with the measurements; they indicate a linewidth-enhancement factor estimated to lie between 3. 5 and 5. 5.
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收藏
页码：796 / 803
页数：8
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