کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5789337 1414312 2015 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Suppressing longitudinal spatial hole burning with dual assisted phase shifts in pitch-modulated DFB lasers
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Suppressing longitudinal spatial hole burning with dual assisted phase shifts in pitch-modulated DFB lasers
چکیده انگلیسی
An equivalent corrugation pitch-modulated (ECPM) distributed feedback (DFB) semiconductor laser with two equivalently assisted phase shifts (EAPS) was theoretically studied and experimentally demonstrated. The simulated results showed that the longitudinal photon density distribution of the ECPM + EAPS DFB lasers was much more uniform than that of a sole ECPM DFB laser without EAPS, and the longitudinal spatial hole burning was therefore suppressed more effectively. The results of experiment showed that good single longitudinal mode operation was achieved, with side mode suppression ratio (SMSR) being over 35 dB, and the wavelength range was from 1,559.64 to 1,563.02 nm when the operation current was from 50 to 160 mA at the temperature of 25 °C, and the SMSR increased to 46.29 dB when the injection current was 130 mA.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Science Bulletin - Volume 60, Issue 11, June 2015, Pages 1026-1032
نویسندگان
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