Cascaded chirped and phase-only sampled fiber Bragg gratings for efficient comb filters

Xiaojun Zhu; Yuling Lu; Chinhua Wang

doi:10.1117/12.831000

21 May 2009 Cascaded chirped and phase-only sampled fiber Bragg gratings for efficient comb filters

Xiaojun Zhu, Yuling Lu, Chinhua Wang

Proceedings Volume 7282, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 72822S (2009) https://doi.org/10.1117/12.831000
Event: AOMATT 2008 - 4th International Symposium on Advanced Optical Manufacturing, 2008, Chengdu, Chengdu, China

Abstract

Cascaded chirped and phase-only sampled fiber Bragg gratings (CC-PSFBGs) are proposed for high efficient multi-channel comb filters in wavelength-division multiplexing (WDM) systems. A CC-PSFBG consists of replicated sections of chirped and phase-only sampled FBGs, in which the Talbot conditions for each section of phase-only sampled FBGs are satisfied. Under the condition of phase matching among the cascaded sections, an arbitrarily tunable channel spacing (tunable free spectral range, FSR) with both a controllable wavelength range and sufficient in-band energy efficiency can be implemented. It offers a useful tool for improving the design flexibility and the energy efficiency of conventional Talbot effect based multichannel comb filters.

Citation Download Citation

Xiaojun Zhu, Yuling Lu, and Chinhua Wang "Cascaded chirped and phase-only sampled fiber Bragg gratings for efficient comb filters", Proc. SPIE 7282, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 72822S (21 May 2009); https://doi.org/10.1117/12.831000

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