Chip, Volume. 3, Issue 1, 100073(2024)

Colloidal semiconductor nanocrystals for light emission and photonic integration

Huan Liu1, Dabin Lin1, Puning Wang1, Tingchao He2、*, and Rui Chen1、**
Author Affiliations
  • 1Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China
  • 2Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
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    Solution-processed colloidal semiconductor nanocrystals (NCs) have become attractive materials for the development of optoelectronic and photonic devices due to their inexpensive synthesis and excellent optical properties. Recently, CdSe NCs with different dimensions and structures have achieved significant progress in photonic integrated circuits (PICs), including light generation (laser), guiding (waveguide), modulation, and detection on a chip. This article summarizes the development of CdSe NCs–based lasers and discusses the challenges and opportunities for the application of CdSe NCs in PICs. Firstly, an overview of the optical properties of CdSe-based NCs with different dimensions is presented, with emphasis on the amplified stimulated emission and laser properties. Then, the nanophotonic devices and PICs based on CdSe NCs are introduced and discussed. Finally, the prospects for PICs are addressed.

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    Huan Liu, Dabin Lin, Puning Wang, Tingchao He, Rui Chen. Colloidal semiconductor nanocrystals for light emission and photonic integration[J]. Chip, 2024, 3(1): 100073

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    Paper Information

    Category: Research Articles

    Received: Aug. 10, 2023

    Accepted: Oct. 15, 2023

    Published Online: Jan. 23, 2025

    The Author Email: Tingchao He (tche@szu.edu.cn), Rui Chen (chenr@sustech.edu.cn)

    DOI:10.1016/j.chip.2023.100073

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