| 摘要 |
A system for producing an optical gain, the system including a host having a light conducting path doped with thulium, holmium, and at least one rare earth selected from the group consisting of europium and terbium in respective amounts sufficient to produce an optical gain by energizing the thulium to a 3H4 state to produce an optical gain by a 3H4-3F4 transition, producing a 1.47 (my)m wavelength output. There is subsequent energy transfer from the 3F4 state of the thulium to a 5I7 state of the holmium, and energy transfer from the 5I7 state to the rare earth selected from the group consisting of europium and terbium. The system can include oscillator, amplifier, and superluminescence source configurations. A method for making and a method for using the system are included.
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