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Dive into the research topics where Gang Qi is active.

Publication


Featured researches published by Gang Qi.


Journal of Lightwave Technology | 2000

Suppression of cladding mode coupling loss in fiber Bragg gratings

Liang Dong; Gang Qi; Marlene A. Marro; Vikram Bhatia; Lisa L. Hepburn; Martin Swan; Adam K. Collier; David Weidman

We have demonstrated, for the first time, the suppression of cladding mode coupling loss to /spl sim/0.1 dB in 30-dB fiber Bragg gratings for both nonhydrogenated and hydrogenated fibers. These fibers have also been optimized to give 0.04-dB average splice loss to SMF-28 fiber. The suppression of cladding mode coupling is achieved by accurately characterizing and controlling the photosensitive profile. This low level of cladding mode coupling loss has opened up a new range of broadband applications, previously restricted by the limited free spectral range of fiber Bragg gratings.


Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides (1999), paper BD3 | 1999

A complete solution for the suppression of cladding mode coupling loss in fiber Bragg gratings

Liang Dong; Gang Qi; Marlene A. Marro; Vikram Bhatia; Marty Swan; Adam K. Collier; David Weidman

Fiber Bragg gratings have increasingly become a critical technology for wavelength-division-multiplexing (WDM) systems.


Archive | 2002

Low bend loss optical fiber and components made therefrom

Paul E. Blaszyk; Lisa Larae Hepburn; Gang Qi; Steven Howard Tarcza


Archive | 2002

Dispersion compensating module and mode converter, coupler and dispersion compensating optical waveguide therein

Liang Dong; Gang Qi; David Lee Weidman


Archive | 2000

Fiber bragg grating with cladding mode suppression

Vikram Bhatia; Adam K. Collier; Liang Dong; Marlene A. Marro; Gang Qi; Martin Swan; David Weidman


Archive | 2002

P-Si Er fiber profile

Adam K Collier; Grant D Cunningham; Gang Qi


Archive | 2000

Method for creating codoped layers and fibers containing codoped layers

Gang Qi; Martin R. Swan


Archive | 2003

Optische faser mit niedrigen biegeverlusten und daraus hergestellte komponenten

Lisa Larae Hepburn; Gang Qi; Steven Howard Tarcza; Paul Edward Blaszky


Archive | 2002

Profil de fibre p-si er

Adam K Collier; Grant D Cunningham; Gang Qi


Archive | 2000

Unterdrückung von mantelmoden in einer optischen faser mit bragg gitter

Vikram Bhatia; Adam K. Collier; Liang Dong; Marlene A. Marro; Gang Qi

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