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Eight-channel laser array with 100 GHz channel spacing based on surface-slotted structures fabricated by standard lithography
Abstract
An eight-channel laser array with 100 GHz channel spacing based on surface-slotted structures is demonstrated. Wavelength selection is realized by using a group of micrometer-order slots fabricated by standard lithography technology. An output power of over 14 mW and a side-mode suppression ratio of better than 35 dB for each laser within the array are achieved. A laser array without tuning for 100 GHz channel spacing by standard lithography was realized for the first time, to the best of our knowledge. The laser array can be used to enhance the capacity of communication links and provides a promising light source for photonic-integrated circuits.
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“Hybrid integration of etched LNOI modulators71 (both MZMs and MRMs) to silicon PICs remains a pragmatic solution.”
From Roadmapping the next generation of silicon photonics (2024) · cites this paper as [71]
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“Hybrid 3D integration technologies (flip-chip or micro transfer-printing) promise to further shrink the assembly size at the cost of using the PIC area (Fig. 3d)71,100–102, but require high-accuracy placement and bonding.”
From Roadmapping the next generation of silicon photonics (2024) · cites this paper as [71]
In the citing paper
“Hybrid integration also allows multiple wavelengths71.”
From Roadmapping the next generation of silicon photonics (2024) · cites this paper as [71]
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Metadata
- Authors
- Wang, M., Wang, H., Ma, P., Dong, F., Liu, A., & Zheng, W.
- Affiliations
- Chinese Academy of Sciences (CN)
- Corresponding author
- Wang, Mingjin
- Wang, Hailing
- Ma, Pijie
- Dong, Fengxin
- Liu, Anjin
- Zheng, Wanhua
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2018-10-03
- Volume
- 43
- Issue
- 20
- Pages
- 4867
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2892657470
- Cited by
- 24
- References
- 17
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 4 · 2023: 4 · 2022: 5 · 2021: 2 · 2020: 3 · 2019: 3
- FWCI
- 0.77
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Optics Letters (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Key Research and Development Program of China (2017YFA0206401)
- Chinese Academy of Sciences (CAS) (XDB24010100, XDB24010200, XDB24020100, XDB24030100)
- National Key RD Program of China (2016YFA0301102)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Semiconductor Lasers and Optical Devices
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Photonic and Optical Devices
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Optical Systems and Laser Technology
- Keywords
- laser arrays, 100 GHz channel spacing, wavelength selection, side-mode suppression ratio, high-speed optical transmission, photonic integrated circuits, tunable lasers
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- CoChat. (2026). Citation check: Eight-channel laser array with 100 GHz channel spacing based on surface-slotted structures fabricated by standard lithography. https://app.cochat.ai/papers/10.1364/ol.43.004867
- The paper
- Wang, M., Wang, H., Ma, P., Dong, F., Liu, A., & Zheng, W. (2018). Eight-channel laser array with 100 GHz channel spacing based on surface-slotted structures fabricated by standard lithography. Optics Letters. https://doi.org/10.1364/ol.43.004867
