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Variable Optical Filter Using Dynamic Grating in Er Doped Fiber Controlled by Synthesis of Optical Coherence Function: Proposal and Experimental Verification
IEICE TRANSACTIONS on Electronics
Publication Date: 2003/01/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Erbium doped fiber, gain grating, absorption grating, optical coherence function,
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Due to saturable nature of gain or absorption of Er doped fiber, a dynamic grating is formed by standing wave produced by interference between two laser beams traveling in opposite directions in the fiber. In this letter, we propose a variable optical filter using the dynamic grating in Er doped fiber controlled by synthesis of optical coherence function. Simulations and experimental verifications are also shown.