波长VCSEL电流热调制方法的研究

IF 0.8 Q4 NANOSCIENCE & NANOTECHNOLOGY
G. Miroshnichenko, A.N. Arzhanenkova, M. Plotnikov
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引用次数: 0

摘要

调查的主题。本文详细分析了实验中使用的垂直腔面发射激光器(VCSEL)的工作热模式。方法。作为工作的一部分,我们对描述在特定调制电流脉冲作用下VCSEL波长变化的递归关系进行了理论研究。器件的高速工作是由光学解调方案决定的,该方案基于相位调制载波(使用的解调方法为反正切解调:相位生成载波(PGC-ATAN))。主要的结果。得到了确定频率、相位和调制深度的公式,从而计算了采样点处调制VCSEL波长的变化原理。与实验数据的比较表明,所得公式可以选择VCSEL工作的最佳热模式,并可靠地计算出载波相位调制过程的特性。现实意义。所得到的公式可以精确计算调制过程的特性,并精确计算调制源的相位。因此,在解调干涉仪相位时,可以更有效地进行补偿。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of the method of current thermal modulation of the wavelength VCSEL
A BSTRACT Subject of investigation. In this paper, we analyzed in detail the thermal mode of the operation of a vertical-cavity surface-emitting laser (VCSEL) used in the experiment. Method. As a part of the work, we carried out a theoretical study of the recurrence relation describing the change in the VCSEL wavelength under the action of specially selected modulation current pulses. The high speed of the device working is determined by the optical demodulation scheme, which is based on using a phase-modulated carrier (the demodulation method used is arctangent demodulation: Phase Generated Carrier (PGC-ATAN)). Main results. Formulas were obtained that determine the frequency, phase, and modulation depth which leads to calculation of the principle of change in the modulated VCSEL wavelength at sampling points. Comparison with experimental data showed that the obtained formulas allow one to choose the optimal thermal mode of VCSEL operation and reliably calculate the characteristics of the modulation process in terms of the carrier phase. Practical significance. The obtained formulas make it possible to calculate the exact characteristics of the modulation process, and the precisely calculated phase of the modulation source. As a result, one can compensate it more effectively when demodulating phase of the interferometer.
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来源期刊
Nanosystems: Physics, Chemistry, Mathematics
Nanosystems: Physics, Chemistry, Mathematics NANOSCIENCE & NANOTECHNOLOGY-
CiteScore
1.80
自引率
11.10%
发文量
64
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