Broad-bandwidth parametric amplification in the visible: femtosecond experiments and simulations

Gale, G. M.; Hache, F.; Cavallari, Marco Roberto

doi:10.1109/2944.686727

Cited by 34 publications

(26 citation statements)

References 16 publications

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“…Broadband amplification can therefore be achieved when the group velocity of the signal and idler are identical. This condition can be reached by a noncollinear beam geometry [42]. Under the conditions of this configuration, an amplification bandwidth of up to 1.6 µm is feasible with LiIO 3 at 3.5 µm center wavelength and assuming a 1 mm thick crystal (Table 1).…”

Section: Methodsmentioning

confidence: 99%

High-repetition-rate femtosecond optical parametric chirped-pulse amplifier in the mid-infrared

2009

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We discuss a dual-stage optical parametric chirped-pulse amplifier generating sub-100-fs pulses in the mid-infrared at a repetition rate of 100 kHz. The system is based on a 1064 nm pump laser and a 3-4 µm difference frequency generation seed source derived from the output of a femtosecond fiber laser amplifier. Both lasers are commercially available, are diode-pumped, compact, and allow for turn-key operation. Here, we focus our discussion on the design and dimensioning of the optical parametric chirpedpulse amplifier. In particular, we review the available gain materials for mid-infrared generation and analyze the impact of different stretching scenarios. Timing jitter plays an important role in short-pulse parametric amplifier systems and is therefore studied in detail. The geometry of the amplifier stages is optimized through a full 3-dimensional simulation with the aim of maximizing gain bandwidth and output power. The optimized system yields output pulse energies exceeding 1 µJ and an overall gain larger than 50 dB. The high repetition rate of the pump laser results in an unprecedented average power from a femtosecond parametric system at mid-infrared wavelengths. First experimental results confirm the design and the predictions of our theoretical model.

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Section: Methodsmentioning

confidence: 99%

High-repetition-rate femtosecond optical parametric chirped-pulse amplifier in the mid-infrared

2009

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“…In the first experiment of this section, the adaptive compression of pulses from a noncollinear OPA [38,51,[108][109][110] and a hollow fiber in a feedback loop is demonstrated. The advantages and limits of adaptive shaping, in particular with special respect to the optimization algorithm are discussed [65].…”

Section: Coherent Control Experiments 5 Adaptive Broadband Pulse Compmentioning

confidence: 99%

“…This correction is crucial for minimizing the leakage of the WLC through the LCM pixels which would give rise to the amplification of undesired spectral components. To achieve the large amplification bandwidth vital for the effective transfer of all components of the tailored WLC, a non-collinear mixing process is used [108]. The shaped WLC is amplified in a 2mm BBO crystal pumped by the frequency-doubled Ti:Sa pulses.…”

Section: Amplification Of Tailored White Light Continuummentioning

confidence: 99%

“…The shaped WLC is amplified in a 2mm BBO crystal pumped by the frequency-doubled Ti:Sa pulses. The angle between pump and shaped seed is set to satisfy the condition for ultrabroad amplification bandwidth [38,[108][109][110]. The pump pulses are temporally stretched with a 15mm fused silica rod to ensure temporal overlap with the shaped, elongated seed pulses.…”

Section: Amplification Of Tailored White Light Continuummentioning

confidence: 99%

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Evolutionary algorithms and their application to optimal control studies

et al. 2001

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“…With the introduction of MESFETs, parametric amplifiers were abandoned and, to our knowledge, they are not used anymore in microwave applications. However, in recent years, the parametric amplification has seen a resurgence mostly in optical systems [7], [8].…”

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confidence: 99%

A novel parametric-effect MEMS amplifier

Raskin

Brown²,

Khuri-Yakub³

et al. 2000

J. Microelectromech. Syst.

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This paper presents the theory and measurements of a mechanical parametric-effect amplifier with a 200-kHz input signal and a 1.84-MHz output signal. The device used is a MEMS time-varying capacitor which is composed of an array of low-stress metallized silicon-nitride diaphragms, and is pumped by a largesignal voltage at 1.64 MHz. This induces a large change in the capacitance, and results in parametric amplification of an input signal at 200 kHz. The parametric amplifier capacitance is 500 pF, resulting in an output impedance of 140 . A higher impedance can also be achieved with a lower capacitance. To our knowledge, this device is the first-ever MEMS mechanical up-converter parametric-effect amplifier developed with an up-conversion ratio of 9 : 1. The measurements agree very well with theory, including the effect the series resistance and the of the MEMS time-varying capacitor. The application areas are in amplifiers which operate at very high temperatures (200 C-600 C), under high particle bombardment (nuclear applications), in non-semiconductor-based amplification, and in low-noise systems, since parametric amplifiers do not suffer from thermal, shot, or 1/f noise problems.[571]

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Broad-bandwidth parametric amplification in the visible: femtosecond experiments and simulations

Cited by 34 publications

References 16 publications

High-repetition-rate femtosecond optical parametric chirped-pulse amplifier in the mid-infrared

High-repetition-rate femtosecond optical parametric chirped-pulse amplifier in the mid-infrared

Evolutionary algorithms and their application to optimal control studies

A novel parametric-effect MEMS amplifier

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