集成光学多路分解器光谱特性的无源热补偿

IF 1.1 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Physics of Wave Phenomena Pub Date : 2023-10-16 DOI:10.3103/S1541308X23050072

I. G. Likhachev, D. A. Guryev, V. I. Pustovoy, K. E. Pevchikh

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引用次数: 0

摘要

研究了阵列波导光栅（AWG）解复用器的无源热补偿方法，该方法基于输入平面波导中的切口和该波导部分的受控旋转角。显示了执行这种热补偿的可能性，获得了对多路分解器的功能所要观察的多路分解器参数的选择的限制，并给出了相关的建议。获得了补偿角相对于温度的导数的简单代数表达式，这是多路分解器的开发所需要的。在给定的数值示例中，该导数为3.5×10–5 rad/K。

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Passive Thermal Compensation of the Spectral Characteristic of the Integrated-Optical Demultiplexer

The method of passive thermal compensation of the arrayed waveguide grating (AWG) demultiplexer based on a cut in the input planar waveguide and a controlled angle of rotation of a part of this waveguide is investigated. A possibility of performing this thermal compensation is shown, restrictions on the choice of the demultiplexer parameters to be observed for functioning of the demultiplexer are obtained, and relevant recommendations are given. A simple algebraic expression for the derivative of the compensation angle with respect to temperature is obtained, which is needed for development of the demultiplexer. In the given numerical example, this derivative is 3.5 × 10^–5 rad/K.

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来源期刊

Physics of Wave Phenomena PHYSICS, MULTIDISCIPLINARY-

CiteScore

2.50

自引率

21.40%

发文量

审稿时长

>12 weeks

期刊介绍： Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.