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01125 am a22001573u 4500 |
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|a Amin, J.
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|a Hempstead, M.
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|a Román, J.E.
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|a Wilkinson, J.S.
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|a Tunable coupled-cavity waveguide laser at room temperature in Nd-diffused Ti:LiNbO<sub>3</sub>
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|c 1994.
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|z Get fulltext
|u https://eprints.soton.ac.uk/78245/1/823.pdf
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|a We report on a Y-junction channel waveguide laser, operating at room temperature, in Nd-diffused Ti:LiNbO<sub>3</sub>. Pumping was performed with a cw Ti:Al<sub>2</sub>O<sub>3</sub> laser operating at 816 nm. With feedback provided only by the polished end faces of the device, a cw lasing threshold of ~39-mW launched pump power was obtained, with a slope efficiency of ~35%. Using 95% reflectivity mirrors at the waveguide ends, we reduced the lasing threshold to ~4 mW, with a slope efficiency of ~2.6%. Tuning of the lasing signal over a range of 2.3 nm around a center wavelength of 1092.7 nm was demonstrated, with a monolithically integrated phase modulator.
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