Tunable multiband microwave photonic filters

MP Fok, J Ge - Photonics, 2017 - mdpi.com
The increasing demand for multifunctional devices, the use of cognitive wireless technology
to solve the frequency resource shortage problem, as well as the capabilities and …

Passband switchable microwave photonic multiband filter

J Ge, MP Fok - Scientific reports, 2015 - nature.com
A reconfigurable microwave photonic (MWP) multiband filter with selectable and switchable
passbands is proposed and experimentally demonstrated, with a maximum of 12 …

Tunable and channel spacing precisely controlled comb filters based on the fused taper technology

M Han, X Li, S Zhang, H Han, J Liu, Z Yang - Optics Express, 2018 - opg.optica.org
We propose and demonstrate an adjustable all-fiber comb filter with precisely controlled
channel spacing by employing a tapered fiber in one arm of a Mach-Zehnder interferometer …

Tapered-EDF-based Mach–Zehnder interferometer for dual-wavelength fiber laser

MIM Ali, SA Ibrahim, MHA Bakar… - IEEE Photonics …, 2014 - ieeexplore.ieee.org
An all-fiber comb filter using a tapered-erbium-doped fiber in a Mach-Zehnder interferometer
structure is presented. The free spectral range, extinction ratio, bandwidth, and interference …

Tunable multiwavelength fiber laser using a comb filter based on erbium-ytterbium co-doped polarization maintaining fiber loop mirror

G Sun, DS Moon, A Lin, WT Han, Y Chung - Optics Express, 2008 - opg.optica.org
A tunable comb filter based on a fiber loop mirror setup, which incorporates a piece of
pumped erbium-ytterbium co-doped polarization maintaining fiber, is newly presented. It is …

Wavelength switchable flat-top all-fiber comb filter based on a double-loop Mach-Zehnder interferometer

AP Luo, ZC Luo, WC Xu, H Cui - Optics express, 2010 - opg.optica.org
A wavelength switchable all-fiber comb filter with flat-top spectral response based on a
double-loop Mach-Zehnder (MZ) interferometer is proposed and demonstrated. The …

Wavelength-switchable flat-top fiber comb filter based on a Solc type birefringence combination

YW Lee, HT Kim, J Jung, B Lee - Optics Express, 2005 - opg.optica.org
In this paper a polarization-independent wavelength-switchable flat-top fiber comb filter is
newly proposed, which is based on a Solc type birefringence combination and polarization …

Seawater temperature measurement based on a high-birefringence elliptic fiber Sagnac loop

X Wang, HJ Yang, SS Wang, YP Liao… - IEEE Photonics …, 2015 - ieeexplore.ieee.org
A new method for seawater temperature sensing based on a high-birefringence elliptic fiber
(HBEF) Sagnac loop is proposed in this letter due to the linear relationship between the …

Polarization-independent wavelength-tunable flat-top comb filter based on quarter-wave polarization transformation

J Jung, YW Lee - Japanese Journal of Applied Physics, 2022 - iopscience.iop.org
By harnessing quarter-wave polarization transformation, we propose a polarization-
independent wavelength-tunable flat-top fiber comb filter composed of a polarization beam …

Tunable full waveband-and adjustable spacing multi-wavelength erbium-doped fiber laser based on controlling cavity losses through bending sensitive interferometric …

HQ Merza, SK Al-Hayali, AH Al-Janabi - Infrared Physics & Technology, 2021 - Elsevier
In this work, tunable full waveband and adjustable spacing multi-wavelength erbium-doped
fiber laser (EDFL) based on the interferometric filtering performance of a bent single-mode …