Chi Pang, Rang Li, Ziqi Li, Ningning Dong, Jun Wang, Feng Ren, Feng Chen. Multi-gigahertz laser generation based on monolithic ridge waveguide and embedded copper nanoparticles[J]. Chinese Optics Letters, 2021, 19(2): 021301
- Chinese Optics Letters
- Vol. 19, Issue 2, 021301 (2021)
Fig. 1. Schematic of the sample fabrication. (a) Pure Nd:YAG. (b)
Fig. 2. (a) TEM image of the sample and projection distribution of implanted
Fig. 3. (a) Measured linear optical absorption spectrum. Insert is the picture of the sample. (b) Calculated linear optical absorption spectrum.
Fig. 4. (a) Schematic of OA Z-scan system. (b) The nonlinear optical response of samples under the excitation of 340 fs pulses at 1030 nm.
Fig. 5. (a) Schematic of evanescent field coupling effect. (b) Near-field distribution of the sample without Cu NPs. (c) Near-field distribution of the sample with Cu NPs.
Fig. 6. (a) Output power as a function of the launched power. (b) The emission spectrum of the output waveguide laser. Inset is the near-field modal profile. (c) Single Q-switched envelope on the nanosecond time scale under the launched power of 450 mW. (d) Measured mode-locked pulse train.
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