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physics.optics2025
Heterogeneous-free narrow linewidth semiconductor laser with optical injection locking
Xiao Sun, Zhibo Li, Yiming Sun +6
Narrow linewidth lasers are indispensable for coherent optical systems, including communications, metrology, and sensing. Although compact semiconductor lasers with narrow linewidt…
physics.optics2024
Multi-Wavelength DFB Laser Based on Sidewall Third Order Four Phase-Shifted Sampled Bragg Grating with Uniform Wavelength Spacing
Xiao Sun, Zhibo Li, Yizhe Fan +5
We present the first demonstration of a 1550 nm multi-wavelength distributed feedback (MW-DFB) laser employing a third-order, four-phase-shifted sampled sidewall grating. By utiliz…
physics.optics2024
Narrow Linewidth Laser Based on Extended Topological Interface States in One-Dimensional Photonic Crystals
Xiao Sun, Zhibo Li, Yiming Sun +7
Recent advances in topological one-dimensional photonic crystal concepts have enabled the development of robust light-emitting devices by incorporating a topological interface stat…