Broadband phase-matched difference frequency mixing of femtosecond pulses in GaSe: Experiment and theory

R. A. Kaindl; F. Eickemeyer; M. Woerner; T. Elsaesser

doi:10.1063/1.124596

Broadband phase-matched difference frequency mixing of femtosecond pulses in GaSe: Experiment and theory

R. A. Kaindl, F. Eickemeyer, M. Woerner, T. Elsaesser

Research output: Contribution to journal › Article › peer-review

140 Scopus citations

Abstract

Phase-matched difference frequency mixing within the broad spectrum of single 13 fs pulses from a cavity-dumped, mode-locked Ti:sapphire laser in a GaSe crystal allows the generation of femtosecond mid-infrared pulses, continuously tunable in the wavelength range from 7 to 20 μm. Pulse durations down to 95 fs at 9.3 μm are directly measured. Model calculations including the full dispersion of GaSe show that the chirp of the pump pulses allows to change both the pulse duration and conversion efficiency obtained in the nonlinear process, in agreement with the experiment.

Original language	English (US)
Pages (from-to)	1060-1062
Number of pages	3
Journal	Applied Physics Letters
Volume	75
Issue number	8
DOIs	https://doi.org/10.1063/1.124596
State	Published - Aug 23 1999
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.124596

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abstract = "Phase-matched difference frequency mixing within the broad spectrum of single 13 fs pulses from a cavity-dumped, mode-locked Ti:sapphire laser in a GaSe crystal allows the generation of femtosecond mid-infrared pulses, continuously tunable in the wavelength range from 7 to 20 μm. Pulse durations down to 95 fs at 9.3 μm are directly measured. Model calculations including the full dispersion of GaSe show that the chirp of the pump pulses allows to change both the pulse duration and conversion efficiency obtained in the nonlinear process, in agreement with the experiment.",

author = "Kaindl, {R. A.} and F. Eickemeyer and M. Woerner and T. Elsaesser",

year = "1999",

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T1 - Broadband phase-matched difference frequency mixing of femtosecond pulses in GaSe

T2 - Experiment and theory

AU - Kaindl, R. A.

AU - Eickemeyer, F.

AU - Woerner, M.

AU - Elsaesser, T.

PY - 1999/8/23

Y1 - 1999/8/23

N2 - Phase-matched difference frequency mixing within the broad spectrum of single 13 fs pulses from a cavity-dumped, mode-locked Ti:sapphire laser in a GaSe crystal allows the generation of femtosecond mid-infrared pulses, continuously tunable in the wavelength range from 7 to 20 μm. Pulse durations down to 95 fs at 9.3 μm are directly measured. Model calculations including the full dispersion of GaSe show that the chirp of the pump pulses allows to change both the pulse duration and conversion efficiency obtained in the nonlinear process, in agreement with the experiment.

AB - Phase-matched difference frequency mixing within the broad spectrum of single 13 fs pulses from a cavity-dumped, mode-locked Ti:sapphire laser in a GaSe crystal allows the generation of femtosecond mid-infrared pulses, continuously tunable in the wavelength range from 7 to 20 μm. Pulse durations down to 95 fs at 9.3 μm are directly measured. Model calculations including the full dispersion of GaSe show that the chirp of the pump pulses allows to change both the pulse duration and conversion efficiency obtained in the nonlinear process, in agreement with the experiment.

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Broadband phase-matched difference frequency mixing of femtosecond pulses in GaSe: Experiment and theory

Abstract

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