Parametric amplification and wavelength conversion in the 1040–1090 nm band by use of a photonic crystal fiber

Sylvestre, Thibaut; Kudlinski, Alexandre; Mussot, Arnaud; Gleyze, Jean-François; Jolly, Alain; Maillotte, H.

doi:10.1063/1.3100192

Cited by 26 publications

(14 citation statements)

References 11 publications

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“…These new wavelength pulses can be amplified by the PCF-based optical parametric amplifiers. A PCF-based FOPA operated from 1040 nm to 1090 nm has been reported [21]. A wavelength tunable FOPA has been demonstrated by heating a PCF [22].…”

Section: Introductionmentioning

confidence: 99%

Photonic Crystal Fiber Based Wavelength-Tunable Optical Parametric Amplifier and Picosecond Pulse Generation

et al. 2014

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We report a fiber optical parametric amplifier (FOPA) based on a photonic crystal fiber (PCF) with optimized dispersion and nonlinear properties pumped by a mode-locked ytterbium-doped fiber laser. Wavelength-tunable parametric gain bands can be obtained by adjusting the pump wavelength from the anomalous to the normal dispersion regime. By utilizing the PCF-based FOPA, weak signals located in the parametric gain bands can be amplified. Wavelength-tunable picosecond pulses can be generated at the signal and idler wavelengths. A 58-dB maximum gain and a wide gain bandwidth from 999 to 1139 nm have been achieved by pumping near the zerodispersion wavelength. When the FOPA is pumped at 1062.5 nm in the normal dispersion regime of the PCF, the 974-nm weak continuous-wave signal is significantly amplified, and the idler pulse is generated at 1168 nm.

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Section: Introductionmentioning

confidence: 99%

Photonic Crystal Fiber Based Wavelength-Tunable Optical Parametric Amplifier and Picosecond Pulse Generation

et al. 2014

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“…This could be evaded by fiber microstructuring [7,8] or by the use of non-silica glass materials [9 -11] or both [12,13]. Despite the much higher nonlinear coefficients [10] there are some drawbacks of pure non-silica fibers mainly the high absorption losses, the difficulties in splicing to standard silica fibers and the difficile fabrication of microstructured fibers.…”

Section: Introductionmentioning

confidence: 99%

“…In recent years great attention has been paid to nonlinear fiber applications like supercontinuum generation [1 -3], Raman amplification [4,5], Brillouin laser systems [6,7] and parametric amplification [8]. Particularly, the development of Photonic Crystal Fibers (PCF) has intensified this attention due to the possibility of the fine tuning of dispersion behavior.…”

Section: Introductionmentioning

confidence: 99%

Structured material combined HMO-silica fibers: preparation, optical and mechanical behavior

et al. 2011

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We report about preparation technique and characterization of structured fibers composed of HMO core glasses and silica cladding. Two processes as material preparation techniques have been developed based on glasses prepared by melting of SAL (e.g. 70SiO 2 -20Al 2 O 3 -10La 2 O 3 ) glasses and the reactive powder sintering (REPUSIL) method. The melted glasses have been characterized by dilatometrical methods to find T g values of 827 -875 °C and expansion coefficients between 4.3 and 7.0 x 10 -6 K -1 . The latter is one order of magnitude higher than the expansion coefficient of pure silica glass. Structured fibers (SAL core, silica cladding) were fabricated following the Rod-in-Tube (RIT) and Granulate-in-Tube (GIT) process. The HMO glasses were chosen due du their high lanthanum content and the expected high nonlinearity, suitable for nonlinear applications (e.g. supercontinuum sources).The partial substitution of lanthanum by other rare earth elements (e.g. Ytterbium) allows the preparation of fibers with extremely high rare earth concentration up to 5 mol% Yb 2 O 3 . The concentration of alumina in the HMO glasses as "solubilizer" for lanthanide was adjusted to about 20 mol%. So we overcame the concentration limits of rare earth doping of MCVD (maximum ca. 2 mol% RE 2 O 3 ). Nevertheless, the investigated HMO glasses show their limits by integration in structured silica based fibers: Optical losses are typically in the dB/m range, best value of this work is about 600 dB/km.The mechanical stability of fibers is influenced by mechanical strain caused by the high thermal expansion of the core material and the lower network bonding stability of the HMO glasses, but partially compensated by the silica cladding.

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“…For many biomedical applications, it is particularly beneficial to investigate the 1.0-μm window where the best combination of low tissue absorption (primarily water and other major chromophores in tissue, e.g., skin pigment and hemoglobin) and low tissue scattering can be achieved [12]-facilitating optical deep-tissue diagnosis. In practice, it is not straightforward to implement a FOPA at 1.0 μm due to the fact that the performance of the HNLF at this wavelength is usually inferior to those for the telecommunication window [13][14][15].…”

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confidence: 99%

Broadband fiber-optical parametric amplification for ultrafast time-stretch imaging at 10 μm

Wei

Lau

et al. 2014

Opt. Lett.

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We demonstrate a broadband all-fiber-optical parametric amplifier for ultrafast time-stretch imaging at 1.0 μm, featured by its compact design, alignment-free, high efficiency, and flexible gain spectrum through fiber nonlinearity- and dispersion-engineering: specifically on a dispersion-stabilized photonic-crystal fiber (PCF) to achieve a net gain over 20 THz (75 nm) and a highest gain of ~6000 (37.5 dB). Another unique feature of the parametric amplifier, over other optical amplifiers, is the coherent generation of a synchronized signal replica (called idler) that can be exploited to offer an extra 3-dB gain by optically superposing the signal and idler. It further enhances signal contrast and temporal stability. For proof-of-concept purpose, ultrahigh speed and diffraction-limited time-stretch microscopy is demonstrated with a single-shot line-scan rate of 13 MHz based on the dual-band (signal and idler) detection. Our scheme can be extended to other established bioimaging modalities, such as optical coherence tomography, near infrared fluorescence, and photoacoustic imaging, where weak signal detection at high speed is required.

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Parametric amplification and wavelength conversion in the 1040–1090 nm band by use of a photonic crystal fiber

Cited by 26 publications

References 11 publications

Photonic Crystal Fiber Based Wavelength-Tunable Optical Parametric Amplifier and Picosecond Pulse Generation

Photonic Crystal Fiber Based Wavelength-Tunable Optical Parametric Amplifier and Picosecond Pulse Generation

Structured material combined HMO-silica fibers: preparation, optical and mechanical behavior

Broadband fiber-optical parametric amplification for ultrafast time-stretch imaging at 10 μm

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