Ting WANG, Jiliang WU, Chunguang MA, Yongtao HUANG, Yuede YANG, Jinlong XIAO, Yongzhen HUANG. Dual-mode Square Microcavity Lasers with a Tunable Wavelength Interval（Invited）[J]. Acta Photonica Sinica, 2022, 51(2): 0251202
- Acta Photonica Sinica
- Vol. 51, Issue 2, 0251202 (2022)
Fig. 1. Schematic of the a microsquare resonator with a current injection window in the center and four corners
Fig. 2. Simulated magnetic field（|Hz|）distributions in the square microcavity with a = 30 μm and wg= 3 μm
Fig. 3. Simulated wavelength intervals of the fundamental mode and the first-order mode versus Δn for the microsquare resonators
Fig. 4. Microscopic image of a square microcavity laser with a current injection window in the center and four corners
Fig. 5. Lasing characteristics of the square microcavity laser
Fig. 6. Variation of wavelength interval and refractive index step with injection current
Fig. 7. Wavelength interval versus the injection current for the square microlaser with a square-ring current injection window
Fig. 8. Fine spectra of a microcavity laser with a current injection window in the center and four corners
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