Whispering mode micro-resonator

Details Whispering mode micro-resonator Whispering mode micro-resonator

1992-09-11

1994-08-30

Davie, James W.

Coherent light generators

Particular resonant cavity

Folded cavity

372 43, 372 67, 372 92, H01S 305

Patent

active

053434900

ABSTRACT:
Device for electromagnetic emission depends on total internal reflection-on whispering gallery mode cavitation about the periphery of a disk-shaped element of sub-wavelength thickness. As a laser, operating above threshold, the design is alternative to that of the Surface Emitting Laser for integration in integrated circuitry-either all-optic or electro-optic. Operating below threshold, it may serve as a Light Emitting Diode. The same operational considerations-based on improved efficacy for whispering gallery mode devices as due to relevant dimension/s of sub-wavelength thickness-is of consequence for a category of devices serving other than as simple emitters. Such three port devices may serve as switches, modulators, etc.

REFERENCES:
patent: 4829537 (1989-05-01), Baer
patent: 5197071 (1993-03-01), Yamada
I. Ury et al, "Whispering gallery lasers on semi-insulating GaAs substrates", Appl. Phys. Lett. 36 (8), Apr. 15, 1980, pp. 629-631.
"The Problem of the Whispering Gallery," Scientific Papers, v. 5, pp. 617-620, Cambridge University, Cambridge, England (1912). (no month).
T. Krauss, et al, Electronic Letters, v. 26, pp. 2095-2097 (Dec. 6, 1990).

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