Fiber spectrum analyzer based on planar waveguide array aligned to a camera without lens Article Swipe
YOU?
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· 2022
· Open Access
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· DOI: https://doi.org/10.48550/arxiv.2205.03054
We propose and experimentally demonstrate a fiber spectrum analyzer based on a planar waveguide chip butt-coupled with an input fiber and aligned to a standard camera without any free-space optical elements. The chip consists of a single-mode waveguide to connect with the fiber, a beam broadening area, and a waveguide array in which the lengths of the waveguides are designed for both wavelength separation and beam focusing. The facet of the chip is diced open so that the outputs of the array form a near-field emitter. The far field are calculated by the Rayleigh-Sommerfeld diffraction integral. We show that the chip can provide a focal depth on the millimeter scale, allowing relaxed alignment to the camera without any fine-positioning stage. Two devices with 120 and 220 waveguides are fabricated on the polymer waveguide platform. The measured spectral width are 0.63 nm and 0.42 nm, respectively. This simple and practical approach may lead to the development of a spectrum analyzer for fiber that is easily mountable to any commercial camera, thereby avoiding the complication for customized detectors as well as electronic circuits afterwards.
Related Topics
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2205.03054
- https://arxiv.org/pdf/2205.03054
- OA Status
- green
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4320350644
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4320350644Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.48550/arxiv.2205.03054Digital Object Identifier
- Title
-
Fiber spectrum analyzer based on planar waveguide array aligned to a camera without lensWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-05-06Full publication date if available
- Authors
-
Xinhong Jiang, Zhifang Yang, Lin Wu, Zhangqi Dang, Zheng‐Ming Ding, Zexu Liu, Qing Chang, Ziyang ZhangList of authors in order
- Landing page
-
https://arxiv.org/abs/2205.03054Publisher landing page
- PDF URL
-
https://arxiv.org/pdf/2205.03054Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://arxiv.org/pdf/2205.03054Direct OA link when available
- Concepts
-
Waveguide, Optics, Planar, Materials science, Chip, Lens (geology), Spectrum analyzer, Optoelectronics, Physics, Computer science, Telecommunications, Computer graphics (images)Top concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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