FIG 2 (IMAGE)
Caption
Figure 2 (a) Optical spectrum measured in the short-wavelength range. (b) Vertically collected SFG output power as a function of the square of the on-chip pump power. Top-view optical microscope images of the microdisk collected (c) without optical filtering, (d) with an 800-nm short-pass filter, and (e) with an 800-nm long-pass filter.
Credit
OET
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CC BY