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Open AccessFeature PaperArticle

Photonic Crystal Circular Defect (CirD) Laser

Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Invited Paper.
Photonics 2019, 6(2), 54; https://doi.org/10.3390/photonics6020054
Received: 26 April 2019 / Revised: 17 May 2019 / Accepted: 18 May 2019 / Published: 20 May 2019
(This article belongs to the Special Issue Photonic Crystal Laser and Related Optical Devices)
We describe the design of photonic crystal circular defect (CirD) lasers to construct a compact optical module with a wavelength division multiplexing function for the application of inter-chip or intra-chip optical interconnects. Subsequently, we investigated the characteristics of CirD lasers including the quality factor of the cavity, the lasing threshold, and the modulation speed with a three-dimensional finite-difference time-domain method and two-dimensional rate equations. Finally, we demonstrated the single mode lasing and wavelength tuning behaviors of the CirD lasers using optical pumping technology under room-temperature continuous-wave conditions. View Full-Text
Keywords: photonic crystal laser; whispering gallery mode; optical interconnects; wavelength division multiplexing photonic crystal laser; whispering gallery mode; optical interconnects; wavelength division multiplexing
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Xiong, Y.; Ye, H.; Umeda, T.; Mizoguchi, S.; Morifuji, M.; Kajii, H.; Maruta, A.; Kondow, M. Photonic Crystal Circular Defect (CirD) Laser. Photonics 2019, 6, 54.

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