Sub‐THz wave generation based on a dual wavelength microsquare laser

Weng, Hai-Zhong; Wada, Osamu; Han, Jin; Xiao, Jin-Long; Yang, Yue-De; Huang, Yong-Zhen; Li, Jin; Xiong, Bing; Sun, Changzheng; Luo, Yi

doi:10.1049/el.2017.1695

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Microwave and Sub-thz Wave Generation Based On Square Microc...1

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Cited by 11 publications

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“…[55,56] We have demonstrated sub-THz wave generation based on the dual-mode square microcavity laser and the uni-travelling-carrier photodiode (UTC-PD), and the obtained signal frequency is mainly limited by the response bandwidth of the UTC-PD. [60]…”

Section: Microwave and Sub-thz Wave Generation Based On Square Microc...mentioning

confidence: 99%

Square microcavity semiconductor lasers

et al. 2018

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Square microcavities, which support whispering-gallery modes with total internal reflections, can be employed as high-quality laser resonators for fabricating compact, low-threshold semiconductor lasers. In this paper, we review the recent progress of square microcavity semiconductor lasers. The characteristics of confined optical modes in the square microcavities are introduced briefly. Based on the mode properties of the square microcavities, dual-mode lasers with tunable wavelength intervals are realized for generating microwave signals. Furthermore, deformed square microcavity lasers with the sidewalls replaced by circular sides are proposed and experimentally demonstrated to enhance the mode confinement and increase the dual-mode interval to the THz range. In order to further reduce the device size, metal-confined wavelength-scale square cavity lasers are also demonstrated.

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Section: Microwave and Sub-thz Wave Generation Based On Square Microc...mentioning

confidence: 99%