对偏振不敏感的硅热光学马赫-泽恩德开关。

IF 3.1 2区物理与天体物理 Q2 OPTICS

Optics letters Pub Date : 2024-12-15 DOI:10.1364/OL.542161

Xiaomin Jiao, Lijia Song, Chengfeng Wen, Weixi Liu, Ting Chen, Huan Li, Yaocheng Shi, Daoxin Dai

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Polarization-insensitive thermo-optic Mach-Zehnder switches on silicon.

Polarization-insensitive photonic switches are crucial for the case with random polarization states encountered in optical systems. In this paper, we propose and demonstrate a polarization-insensitive 2 × 2 thermo-optic Mach-Zehnder switch (PIMZS) on a 340-nm silicon-on-insulator (SOI) platform by incorporating low-loss polarization-insensitive multimode interference (PIMMI) couplers whose core width is varied optimally. The fabricated 2 × 2 PIMZS exhibits a low excess loss of 0.15-0.79 dB and a high extinction ratio of >24 dB for both polarizations, and low polarization-dependent loss (PDL) of <0.47 dB is achieved across the C-band.

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来源期刊

Optics letters 物理-光学

CiteScore

6.60

自引率

8.30%

发文量

2275

审稿时长

1.7 months

期刊介绍： The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.