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WDM Multi-Channel Filter Based On Sampled Gratings In Silicon-on-Insulator
Integrated optics devices Wavelength filtering devices
2015/5/22
The design and fabrication of sampled gratings on silicon-on-insulator rib waveguides is presented. A multiple reflection up to 20 channels with a spacing of 0.78 nm is demonstrated, with potential fi...
Electrically Tunable Bandpass Filter Based on Liquid Crystal Photonic Bandgap Fibers
Photonic crystal fibers Liquid-crystal devices
2015/6/4
An electrically tunable bandpass filter based on two photonic crystal fibers filled with different liquid crystals is demonstrated. Both the short-wavelength and long-wavelength edge are tuned individ...
Tunable Photonic Microwave Notch Filter Based on a Dual- wavelength Fiber Laser
Tunable Birefringent Phase-Shift Induced Fiber Bragg Grating Shape Memory Alloy Ferrule
2015/7/15
We present a new method to induce low loss tunable birefringent phase shifts in fiber Bragg grating by applying mechanical stresses at precise locations along the FBG with a specially designed shape m...
Tunable Photonic Microwave Notch Filter Based on a Dual- wavelength Fiber Laser
Tunable Photonic Microwave Notch Filter Based Dual- wavelength Fiber Laser
2015/7/15
We experimentally demonstrate a tunable photonic microwave notch filter by employing two fiber Bragg grating-based dual wavelength laser. Based on the bending technique along the gratings, notch frequ...
A Polarization Maintaining Filter based on a Liquid-Crystal-Photonic- Bandgap-Fiber
Polarization Maintaining Filter Liquid-Crystal-Photonic- Bandgap-Fiber
2015/8/4
A polarization maintaining filter based on a liquid-crystal-photonic-bandgap-fiber is demonstrated. Its polarization extinction ratio is 14 dB at 1550 nm. Its tunability is 150 nm.