Field-resolved detection of phase-locked infrared transients from a compact Er:fiber system tunable between 55 and 107 THz

DOI to cite this document:

10.5283/epub.19287 Copy

Sell, A. ; Scheu, R. ; Leitenstorfer, A. ; Huber, Rupert

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Date of publication of this fulltext: 31 Jan 2011 12:22

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Details

Item type:	Article
Journal or Publication Title:	Applied Physics Letters
Publisher:	American Institute of Physics
Volume:	93
Number of Issue or Book Chapter:	25
Page Range:	p. 251107
Date:	2008
Additional Information (public):	» This publication has been selected for the Virtual Journal of Ultrafast Science
Institutions:	Physics > Institute of Experimental and Applied Physics > Chair Professor Huber > Group Rupert Huber
Identification Number:	Value Type 10.1063/1.3040057 DOI
Dewey Decimal Classification:	500 Science > 530 Physics
Status:	Published
Refereed:	Unknown
Created at the University of Regensburg:	Unknown
Item ID:	19287

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Abstract

We demonstrate phase-stable generation and ultrabroadband electro-optic detection of few-cycle multi-terahertz transients tunable from 55 to 107 THz based on a versatile telecom compatible three-branch Er:fiber laser system. Difference frequency mixing of two laser pulse trains at the full repetition rate of 49 MHz provides passively phase-locked multi-terahertz transients with peak fields of 69 ...

Abstract

We demonstrate phase-stable generation and ultrabroadband electro-optic detection of few-cycle multi-terahertz transients tunable from 55 to 107 THz based on a versatile telecom compatible three-branch Er:fiber laser system. Difference frequency mixing of two laser pulse trains at the full repetition rate of 49 MHz provides passively phase-locked multi-terahertz transients with peak fields of 69 kV/cm and average powers of up to 1.4 mW. 8 fs gating pulses from the third laser port allow for field-sensitive sampling throughout the midinfrared with a signal to noise ratio of up to 10⁴ Hz¹/². A leadoff application in trace gas detection is discussed.

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