在芯片上,相位转移诱导了双核Si3N4波导中超连续生成的控制
Optics express
|November 29, 2023
概括
我们展示了使用双核波导的超连续生成的芯片上的光谱控制. 超级模式的选择性激发允许调分散,用于来自同一波导电路的不同光谱输出.
科学领域:
- 非线性光学是一种非线性光学.
- 综合光子学 综合光子学
背景情况:
- 对各种光子应用来说,超级连续的产生是至关重要的.
- 在芯片上控制超级连续频谱仍然是一个挑战.
研究的目的:
- 为了研究超级连续产生的芯片上的光谱控制.
- 为了利用分散管理的双核波导中的空间自由度.
主要方法:
- 多模式通用非线性施罗丁格方程的数值集成.
- 使用强合的双核波导,具有量身定制的横截面.
- 使用马赫-泽恩德干扰仪通过相位转移进行选择性超级模式激发.
主要成果:
- 通过设计波导横截面来证明超级模式的选择性激发.
- 展示了在完全正常和异常分散模式之间切换的能力.
- 通过控制分散,通过使用相同的波导电路实现了截然不同的超级连续频谱.
结论:
- 在芯片上实现超级连续生成的光谱控制是可行的.
- 双核波导为分散工程提供了一个多功能平台.
- 控制相位的超模式激发提供了一个强大的机制来定制超连续的光谱.
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