6 papers · 1 filter
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…
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…
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…
Narrow Linewidth Distributed Feedback Lasers Utilizing Distributed Phase Shift
Yiming Sun, Bocheng Yuan, Xiao Sun +6
This study proposes and experimentally demonstrates a distributed feedback (DFB) laser with a distributed phase shift (DPS) region at the center of the DFB cavity. By modeling the…
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…
Regrowth-free AlGaInAs MQW polarization controller integrated with sidewall grating DFB laser
Xiao Sun, Song Liang, Weiqing Cheng +8
We report an AlGaInAs multiple quantum well integrated source of polarization controlled light consisting of a polarization mode converter PMC, differential phase shifter(DPS), and…