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We present theoretical and experimental studies of Brillouin frequency shift in tapered optical fibers by leaky mode approximation of acoustic waves and Brillouin optical correlation domain analysis (BOCDA), respectively. Our results show that the Brillouin frequency steadily increases according to decrease of taper diameter down to 20 μm.
We experimentally demonstrate a self Q-switched Bismuth-doped germanosilicate fiber laser without using saturable absorbers. Self Q-switched, ∼1.8 μs pulses with a temporal width of is shown to be obtainable at a repetition rate of ∼65 kHz.
We have evaluated the performance of fiber Bragg grating (FBG) based dispersion compensators for an amplified wavelength-division multiplexed passive optical network (WDM-PON) implemented using broadband light source (BLS) seeded optical sources.
A novel, reliable wavelength-division-multiplexed passive optical network (WDM-PON) with self-protection capability is proposed. By utilizing the routing characteristics of N x N arrayed waveguide grating, the proposed architecture can provide automatic protection against any fiber cut between central office and optical network unit (ONU). Compared with the conventional schemes, this scheme adopts...
A practically tunable multiwavelength Raman fiber laser based on few-mode fiber Bragg gratings with dynamic range of more than 15 nm is investigated. We achieved a high extinction ratio of more than 45 dB.
We experimentally demonstrate a stimulated Brillouin scattering free, all fiber phase conjugator using 1-m length of our fabricated bismuth oxide-based nonlinear fiber. Using the conjugator, error-free, dispersion compensated transmission of a 10-Gbit/s NRZ signal over a 150 km SMF transmission link is readily achieved.
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