Optical functioning glass and method of manufacturing same, opti

Details Optical functioning glass and method of manufacturing same, opti Optical functioning glass and method of manufacturing same, opti

1991-10-24

1994-08-09

Healy, Brian

Optical waveguides

Having particular optical characteristic modifying chemical...

Of waveguide core

385123, 385 42, 385141, 385144, 372 6, 372 92, 65399, 65386, 359333, 359341, 359343, 359346, 501 11, 501 37, 252582, G02B 600, H01S 330, C03C 2502, C03C 1304

Patent

active

053374010

ABSTRACT:
An optically active device comprising an optical fiber, a light source and a coupler is disclosed. The optical fiber has a core made of a silicate glass containing Rb and/or Cs oxide. The core is doped with Nd.sup.3+ as an active ion and transmits light at 1.3 .mu.m band. The light source generates excitation light at 0.8 .mu.m. The coupler directs the excitation light from the light source into the core of the optical fiber. A signal light or a spontaneous light at 1.3 .mu.m band which is transmitted in the core stimulates Nd.sup.3+ to emit light at 1.3 .mu.m band. As a result an optical function such as optical amplification can be effected at 1.3 .mu.m band.

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