All fiber mode-locked thulium-doped fiber laser using a novel femtosecond-laser-inscribed 45 degrees-plane-by-plane-tilted fiber grating

Kód výsledku v IS VaVaI

RIV/67985882:_____/19:00518312 - isvavai.cz

Nalezeny alternativní kódy

RIV/68407700:21340/19:00339197

Výsledek na webu

https://iopscience.iop.org/article/10.1088/1612-202X/ab39db

DOI - Digital Object Identifier

10.1088/1612-202X/ab39db

Jazyk výsledku

angličtina

Název v původním jazyce

All fiber mode-locked thulium-doped fiber laser using a novel femtosecond-laser-inscribed 45 degrees-plane-by-plane-tilted fiber grating

Popis výsledku v původním jazyce

Using the novel 45 degrees-plane-by-plane-tilted fiber grating inscribed by a femtosecond laser as an in-line fiber polarizer, we demonstrate an all-fiber passively mode-locked thulium-doped fiber laser. We characterize the grating for polarization-dependent loss, indicating high contrast and broad operating wavelength. The 45 degrees-tilted fiber grating together with polarization controller act as an artificial saturable absorber suitable for mode-locking through nonlinear polarization rotation. By properly pre-adjusting the polarization controller, stable mode-locking is achieved for a pump power in the range of 300 mW-400 mW at 1565nm. Owing to the net anomalous dispersion, a stable mode-locked soliton pulse centered at 1870nm with a pulse width of 862 fs is reported at a fundamental repetition rate of 22.34 MHz. A long-term stability test reveals that the laser is quite stable for 24h under laboratory conditions, confirming the capabilities of the 45 degrees-tilted fiber grating for stable laser operation

Název v anglickém jazyce

All fiber mode-locked thulium-doped fiber laser using a novel femtosecond-laser-inscribed 45 degrees-plane-by-plane-tilted fiber grating

Popis výsledku anglicky

Using the novel 45 degrees-plane-by-plane-tilted fiber grating inscribed by a femtosecond laser as an in-line fiber polarizer, we demonstrate an all-fiber passively mode-locked thulium-doped fiber laser. We characterize the grating for polarization-dependent loss, indicating high contrast and broad operating wavelength. The 45 degrees-tilted fiber grating together with polarization controller act as an artificial saturable absorber suitable for mode-locking through nonlinear polarization rotation. By properly pre-adjusting the polarization controller, stable mode-locking is achieved for a pump power in the range of 300 mW-400 mW at 1565nm. Owing to the net anomalous dispersion, a stable mode-locked soliton pulse centered at 1870nm with a pulse width of 862 fs is reported at a fundamental repetition rate of 22.34 MHz. A long-term stability test reveals that the laser is quite stable for 24h under laboratory conditions, confirming the capabilities of the 45 degrees-tilted fiber grating for stable laser operation

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

GA17-20049S: Nová optická vlákna a jejich spektroskopie pro vláknové lasery pracující ve spektrální oblasti za 2 μm

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Laser Physics Letters

ISSN

1612-2011

e-ISSN

—

Svazek periodika

16

Číslo periodika v rámci svazku

9

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

6

Strana od-do

095104

Kód UT WoS článku

000483050200001

EID výsledku v databázi Scopus

2-s2.0-85075800902