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physics.optics2024
Dual-band Photonic Filters with Wide Tunable Range Using Chirped Sampled Gratings
Siemng Zhu, Bocheng Yuan, Weiqing Cheng +6
We have developed a photonic filter featuring dual independently tunable passbands. Employing the reconstruction equivalent-chirp technique, we designed linearly chirped sampled Br…
physics.optics2022
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…