2015
DOI: 10.1364/oe.23.018548
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Synchronously pumped picosecond all-fibre Raman laser based on phosphorus-doped silica fibre

Abstract: Reported for the first time is picosecond-range pulse generation in an all-fibre Raman laser based on P₂O₅-doped silica fibre. Employment of phosphor-silicate fibre made possible single-cascade spectral transformation of pumping pulses at 1084 nm into 270-ps long Raman laser pulses at 1270 nm. The highest observed fraction of the Stokes component radiation at 1270 nm in the total output of the Raman laser amounted to 30%. The identified optimal duration of the input pulses at which the amount of Stokes compone… Show more

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Cited by 29 publications
(10 citation statements)
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References 19 publications
(18 reference statements)
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“…Previously, synchronously pumped Raman lasers using P-doped fiber have been reported in [12] and [13]. Compared to the published work [12], our system produces orders of magnitude shorter pulses; therefore, the peak power is much higher making our laser suitable for multiphoton imaging. Compared to [13], we have achieved six times higher pulse energy and much shorter pulses.…”
Section: Introductionmentioning
confidence: 86%
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“…Previously, synchronously pumped Raman lasers using P-doped fiber have been reported in [12] and [13]. Compared to the published work [12], our system produces orders of magnitude shorter pulses; therefore, the peak power is much higher making our laser suitable for multiphoton imaging. Compared to [13], we have achieved six times higher pulse energy and much shorter pulses.…”
Section: Introductionmentioning
confidence: 86%
“…The resonant Raman frequency shift is 39.6 THz, which is much larger than the Raman shift of standard SiO 2 bond (13.2 THz) [11]. This larger Raman shift offers a possibility to reach near 1300 nm by pumping with well-established picosecond Yb 3+ -doped fiber (YbDF) lasers [12], [13]. The advantage of pumping by a picosecond source is that it is easier to achieve synchronization of the two cavities and no active cavity length stabilization is required due to the long duration of the pulses.…”
Section: Introductionmentioning
confidence: 99%
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“…Therefore, in order to reach peak powers of a few-hundred Watts with low noise in a compact design, we have developed a pulsed-pump Raman fiber amplifier based on a commercially-available phosphorus-doped fiber [18,19,20,21,22,23,24,25,26]. This fiber has an additional Raman gain band, due to P=O double bonds, at 40±0.3 THz (1330±10 cm −1 ).…”
Section: Introductionmentioning
confidence: 99%
“…One of the promising ways to generate double-scale pulses around 1.3 μm is spectral transformation of such pulses from 1.1-μm range through single-cascade Raman shift in phosphorus-doped silica fibre [25]. A few studies in this field have been carried out, however, the achieved pulse energy in the 1.3-µm range was rather low (15 nJ [26], 1.6 nJ [27]), and the fraction of radiation energy transformed into the 1.3-µm range did not exceed 30% of the total Raman-converted energy.…”
Section: Introductionmentioning
confidence: 99%