Unidirectional ring lasers
Abstract
Unidirectional ring lasers formed by integrating nonreciprocal optical elements into the resonant ring cavity. These optical elements either attenuate light traveling in a nonpreferred direction or amplify light traveling in a preferred direction. In one preferred embodiment the resonant cavity takes the form of a circle with an S-shaped crossover waveguide connected to two points on the interior of the cavity such that light traveling in a nonpreferred direction is diverted from the cavity into the crossover waveguide and reinjected out of the other end of the crossover waveguide into the cavity as light traveling in the preferred direction.
- Inventors:
-
- Albuquerque, NM
- Issue Date:
- Research Org.:
- AT&T
- OSTI Identifier:
- 869513
- Patent Number(s):
- 5349601
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01S - DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT
- DOE Contract Number:
- AC04-76DP00789
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- unidirectional; lasers; formed; integrating; nonreciprocal; optical; elements; resonant; cavity; attenuate; light; traveling; nonpreferred; direction; amplify; preferred; embodiment; takes; form; circle; s-shaped; crossover; waveguide; connected; interior; diverted; reinjected; light traveling; optical element; optical elements; preferred embodiment; resonant cavity; preferred direction; reciprocal optical; /372/385/
Citation Formats
Hohimer, John P, and Craft, David C. Unidirectional ring lasers. United States: N. p., 1994.
Web.
Hohimer, John P, & Craft, David C. Unidirectional ring lasers. United States.
Hohimer, John P, and Craft, David C. Sat .
"Unidirectional ring lasers". United States. https://www.osti.gov/servlets/purl/869513.
@article{osti_869513,
title = {Unidirectional ring lasers},
author = {Hohimer, John P and Craft, David C},
abstractNote = {Unidirectional ring lasers formed by integrating nonreciprocal optical elements into the resonant ring cavity. These optical elements either attenuate light traveling in a nonpreferred direction or amplify light traveling in a preferred direction. In one preferred embodiment the resonant cavity takes the form of a circle with an S-shaped crossover waveguide connected to two points on the interior of the cavity such that light traveling in a nonpreferred direction is diverted from the cavity into the crossover waveguide and reinjected out of the other end of the crossover waveguide into the cavity as light traveling in the preferred direction.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {1}
}
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Works referenced in this record:
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A spectacles-shaped optical fibre ring resonator with two couplers
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- Ja, Y. H.
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An unsymmetric S-shaped double-coupler optical fibre loop
journal, August 1990
- Ja, Y. H.
- Optics Communications, Vol. 78, Issue 1