A wavelength tuneable 2-ps pulse VECSEL

O J Morris, K G Wilcox, C R Head, A P Turnbull, Peter James Mosley, A H Quarterman, H J Kbashi, I Farrer, H E Beere, D A Ritchie, A C Tropper

Research output: Contribution to journalArticle

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Abstract

We report a mode-locked Vertical-External-Cavity Surface-Emitting Laser (VECSEL) that exhibits 13.7 nm of tuning around a centre wavelength of 1042 nm. The wavelength tuning is achieved by incorporating an uncoated, 25 μm thick, fused silica etalon into the cavity of the laser at Brewster's angle. The etalon is then tilted with respect to the cavity axis. The etalon has a calculated free spectral range of 14 nm at normal incidence. The repetition rate of the laser is measured to be 1.88 GHz. The pulse duration, averaged over the tuning range, is 1.9 ps corresponding to a mean time bandwidth product of 0.46. For a sech2 pulse this is 1.46 times larger than the transform limit. The average power of the laser does not fall below 2.6 mW and, over the tuning range, averages 3.5 mW. With appropriate amplification, such a laser would be highly suited to the generation of heralded single photons in photonic crystal fibre.
Original languageEnglish
Article number824212
JournalProceedings of the SPIE
Volume8242
DOIs
Publication statusPublished - Feb 2012

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surface emitting lasers
tuning
cavities
pulses
wavelengths
lasers
Brewster angle
repetition
pulse duration
incidence
photonics
silicon dioxide
bandwidth
fibers
photons
products
crystals

Cite this

Morris, O. J., Wilcox, K. G., Head, C. R., Turnbull, A. P., Mosley, P. J., Quarterman, A. H., ... Tropper, A. C. (2012). A wavelength tuneable 2-ps pulse VECSEL. Proceedings of the SPIE, 8242, [824212]. https://doi.org/10.1117/12.908337

A wavelength tuneable 2-ps pulse VECSEL. / Morris, O J; Wilcox, K G; Head, C R; Turnbull, A P; Mosley, Peter James; Quarterman, A H; Kbashi, H J; Farrer, I; Beere, H E; Ritchie, D A; Tropper, A C.

In: Proceedings of the SPIE, Vol. 8242, 824212, 02.2012.

Research output: Contribution to journalArticle

Morris, OJ, Wilcox, KG, Head, CR, Turnbull, AP, Mosley, PJ, Quarterman, AH, Kbashi, HJ, Farrer, I, Beere, HE, Ritchie, DA & Tropper, AC 2012, 'A wavelength tuneable 2-ps pulse VECSEL', Proceedings of the SPIE, vol. 8242, 824212. https://doi.org/10.1117/12.908337
Morris OJ, Wilcox KG, Head CR, Turnbull AP, Mosley PJ, Quarterman AH et al. A wavelength tuneable 2-ps pulse VECSEL. Proceedings of the SPIE. 2012 Feb;8242. 824212. https://doi.org/10.1117/12.908337
Morris, O J ; Wilcox, K G ; Head, C R ; Turnbull, A P ; Mosley, Peter James ; Quarterman, A H ; Kbashi, H J ; Farrer, I ; Beere, H E ; Ritchie, D A ; Tropper, A C. / A wavelength tuneable 2-ps pulse VECSEL. In: Proceedings of the SPIE. 2012 ; Vol. 8242.
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