| 摘要 |
An optical device includes a light source (102), an optical microresonator (118) that supports at least a first optical guided mode (128) propagating along a first direction and at least a second optical guided mode (164) propagating along a second direction different from the first direction, and a detector (110,114). At least the first optical guided mode is excited by the emitted broadband light without the second optical guided mode being excited by the emitted broadband light. In some embodiments The detector receives and wavelength-averages light from the at least a second optical guided mode of the optical microresonator. In some embodiments, at least one of the light source, the microresonator and the detector is tunable.
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