Zhitao HU, Zhutian WANG, Yuehua OUYANG, Longxin HUANG, Fufei PANG, Nan YE, Yingxiong SONG. TPA Detection of 2 μm Wavelength Band Ge-on-SOI Photodetector[J]. Study On Optical Communications, 2024, 50(4): 23004501
- Study On Optical Communications
- Vol. 50, Issue 4, 23004501 (2024)
Fig. 1. Schematic diagram of TPA effect
Fig. 2. Photocurrent detection system of Ge-on-SOI photodetector in 2 μm wavelength band based on TPA effect
Fig. 3. The optical spectrum of 2 μm wavelength band laser
Fig. 4. Optical microscope images
Fig. 5. Relationship curve between input optical power and TPA photocurrent of the Ge-on-SOI photodetector
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