Search Results - "Watekar, P.R."

Correction to "A Nd-YAG Laser-Pumped Tm-Doped Silica Glass Optical Fiber Amplifier at 840 nm" by Watekar, P.R., Ju, S., Han, W.-T.

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Linear and Nonlinear Optical Properties of Si Nanoparticles/ Er-Ions Doped Optical Fiber by Watekar, P.R., Songbae Moon, Aoxiang Lin, Seongmin Ju, Won-Taek Han

“…An alumino-germano-silica glass fiber doped with silicon nanoparticles and erbium ions was fabricated using the modified chemical vapor deposition (MCVD)…”
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Analysis of 1064-nm Pumped Tm-doped Silica Glass Fiber Amplifier Operating at 1470 nm by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…An approximate model, along with the experimental verification for thulium (Tm)-doped silica glass fiber amplifier at 1470 nm upon 1064-nm pumping, has been…”
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Design of Nonzero Dispersion Flattened Fiber Amplifier Optimized for S-Band Optical Communication by Watekar, P.R., Han, W.-T.

“…We present a new design of dispersion flattened optical fiber for flat nonzero dispersion in the S-band region. The optimized parameters of optical fiber are…”
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800-nm upconversion emission in Yb-sensitized Tm-doped optical fiber by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report, for the first time, the upconversion emission at 800 nm in Yb-sensitized Tm-doped alumino-germano-silicate glass optical fiber when pumped with the…”
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A Small-Signal Power Model for Tm-Doped Silica-Glass Optical Fiber Amplifier by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We propose and demonstrate experimentally a small-signal and small-gain regime model to analyze Tm-doped silica-glass optical fiber for amplifier application…”
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Experimental Realization of Silica-Glass Tm-Doped Fiber Amplifier With 11.3-dB Gain by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report the experimental realization of thulium-doped silica-glass fiber amplifier at 1470 nm. The gain was 11.3 dB upon pumping with 1064-nm fiber laser…”
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A Nd-YAG laser-pumped Tm-doped silica glass optical fiber amplifier at 840 nm by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report a simulation model as well as experimental realization of a novel single-mode Tm-doped silica glass optical fiber amplifier optimized for…”
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A simple method to estimate the dispersion of silica optical fiber having unknown refractive index profile parameters by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…A new method to approximately determine the dispersion of the silica optical fiber with unknown refractive index profile parameters is presented. The estimated…”
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Demonstration of broadband ultra-low bending-loss optical fiber by Watekar, P.R., Seongmin Ju, Young Sik Yoon, Yeong Seop Lee, Won-Taek Han

“…A double-clad optical fiber with ring cores and a trench was demonstrated to show attenuation of 0.02-0.04 dB/turn at 1550 nm for 10 mm of bending diameter…”
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Simultaneous compensation of dispersion and losses using Er-doped double-core optical fiber by WATEKAR, P. R, GOSWAM, M. L. N, BISWAS, J. C, ACHARYA, H. N

“…The Er-doped double-core dispersion compensating fiber (EDDCF) has been fabricated using modified chemical vapor deposition (MCVD) technique. We have obtained…”
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A single-mode Tm-doped double-clad optical fiber amplifier operating at 843 nm wavelength by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report a novel single-mode Tm-doped amplifier optimized for the first-window optical communication wavelength band. A peak gain of about 22.5 dB at 843 nm…”
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Highly sensitive temperature sensor using fiber Bragg grating on Pb/Ge-codoped fiber by Seongmin Ju, Watekar, P.R., Won-Taek Han

“…A highly sensitive fiber Bragg grating temperature sensor using a temperature-sensitive Pb/Ge-codoped fiber was demonstrated experimentally with the average…”
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Ultra low bending loss at visible wavelength in a double-trenched optical fiber by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report a new optical fiber with double trenches that is single mode at the visible wavelength band. It showed the bending loss of just 0.09 dB at 400 nm for…”
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Dynamic control of zero-dispersion wavelength of optical fiber by pumping with LD by Seongmook Jeong, Seongmin Ju, Watekar, P.R., Won-Taek Han

“…Dynamic control of the zero-dispersion wavelength (lambda 0 ) was demonstrated by pumping with the 976 nm LD into nonlinear optical fiber incorporated with Si…”
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CdSe quantum dots doped optical fiber as a remote current sensor by Watekar, P.R., Hoyoung Yang, Seongmin Ju, Han, W.-T.

“…A new optical fiber current sensor using a CdSe quantum dots doped optical fiber was demonstrated with large Verdet constant of about 3.86 rad T- 1 m- 1 at 633…”
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Fiber Optic Multi-parameter Sensor System Using Neural Networks by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report an experimental realization of the neural network based multi-parameter fiber optic sensor system using the two-core fiber, which can simultaneously…”
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Magnetic field sensor based on optical fiber doped with CdSe quantum dots by Hoyoung Yang, Watekar, P.R., Seongming Ju, Won-Taek Han

“…We present a magnetic field sensor developed using the CdSe quantum dots doped optical fiber, with detection range from 0 to 0.12 T…”
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Resonant optical nonlinearity of PbSe quantum dots doped optical fiber by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…The optical fiber doped with PbSe quantum dots was experimentally developed using MCVD process. A strong absorption peak was observed at 1100 nm and the…”
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Ultra-low bending loss of 0.007 dB/loop for 10 mm of bending diameter at 1550 nm in the double trenched bend insensitive optical fiber by Watekar, P.R., Seongmin Ju, Young Sik Yoon, Yeong Seop Lee, Jinhan Kim, Won-Taek Han

“…The increase in the usage of FTTH in the optical communication has drawn much attention among the fiber optics engineers to face the challenges of sharp bends…”
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