Second-order filtering and sensing with partially coupled traveling waves in a single resonator
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Author(s)
Detail(s)
Original language | English |
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Pages (from-to) | 1570-1572 |
Journal / Publication | Optics Letters |
Volume | 23 |
Issue number | 20 |
Publication status | Published - 15 Oct 1998 |
Externally published | Yes |
Link(s)
Abstract
The counterpropagating waves in a single traveling-wave cavity can be partially coupled by means of a small perturbation such as a notch. When it is side coupled to a waveguide, this single cavity yields a general second-order (Chebyshev) reflection response in the waveguide, which is useful for narrow-bandwidth reflecting applications. In a different application, the cavity amplifies small reflections induced by external perturbations, thus finding use in ultrafine sensing. Amplification factors as great as 1012 are predicted for the highest-Q microsphere resonators. The analytic theory of these devices is presented. © 1998 Optical Society of America.
Citation Format(s)
Second-order filtering and sensing with partially coupled traveling waves in a single resonator. / Little, Brent E.; Chu, Sai T.; Haus, Hermann A.
In: Optics Letters, Vol. 23, No. 20, 15.10.1998, p. 1570-1572.
In: Optics Letters, Vol. 23, No. 20, 15.10.1998, p. 1570-1572.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review