All-fiber frequency-doubled visible laser

被引：16

作者：

Corbari, Costantino ^{[1
]}

Gladyshev, Alexey V. ^{[2
]}

Lago, Laure ^{[3
]}

Ibsen, Morten ^{[1
]}

Hernandez, Yves ^{[3
]}

Kazansky, Peter G. ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[2] Russian Acad Sci, Fiber Opt Res Ctr, Moscow 119333, Russia

[3] Multitel, Appl Photon Dept, B-7000 Mons, Belgium

来源：

OPTICS LETTERS | 2014年 / 39卷 / 22期

关键词：

POLED SILICA FIBERS; GLASS OPTICAL-FIBER; 2ND-HARMONIC GENERATION; PULSES;

D O I：

10.1364/OL.39.006505

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

All-fiber ns-pulsed visible laser at lambda = 521 nm is realized by frequency doubling an Yb-doped fiber laser with a periodically poled silica fiber. A 50-mW second-harmonic (SH) output power is produced that is over 6-orders of magnitude greater than previous results obtained with poled fibers in the visible spectral range. The normalized conversion efficiency of 0.3%/W is to date the largest demonstrated with poled fiber technology. Furthermore, 21% conversion efficiency is achieved for the doubling of 8-ps pulses from a neodymium-doped yttrium vanadate solid-state laser. The advances are made possible by the precision and flexibility offered by using the continuous periodic UV erasure, as opposite to photolithographic methods, for the fabrication of over 20-cm-long chi((2))-gratings for quasi-phase matched SH generation. (C) 2014 Optical Society of America.

引用

页码：6505 / 6508

页数：4

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