3 papers
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
Continuous Phase Modulation Technology Based on Grating Period Interval for High Grating Coupling Efficiency and Precise Wavelength Control
Yiming Sun, Simeng Zhu, Bocheng Yuan +6
A novel grating modulation technique for laser arrays is proposed and demonstrated. This method modifies the initial phase within each grating period, applying a total phase shift…