30 GHz electro-optic frequency comb spanning 300 THz in the near infrared and visible

被引：39

作者：

Metcalf, Andrew J. ^{[1
,2
,4
]}

Fredrick, Connor D. ^{[1
,2
]}

Terrien, Ryan C. ^{[1
,3
]}

Papp, Scott B. ^{[1
,2
]}

Diddams, Scorr A. ^{[1
,2
]}

机构：

[1] NIST, Time & Frequency Div, 325 Broadway, Boulder, CO 80305 USA

[2] Univ Colorado, Dept Phys, 2000 Colorado Ave, Boulder, CO 80309 USA

[3] Carleton Coll, Northfield, MN 55057 USA

[4] Air Force Res Lab, Space Vehicles Directorate, 3550 Aberdeen Ave SE, Kirtland AFB, NM 87117 USA

来源：

OPTICS LETTERS | 2019年 / 44卷 / 11期

基金：

美国国家科学基金会;

关键词：

GENERATION; PHASE; CALIBRATION; PRECISION; PULSES; SIGNAL;

D O I：

10.1364/OL.44.002673

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Beginning with a continuous wave laser at 1064 nm, we generate a 30 GHz electro-optic frequency comb which contains 100 lines spanning 3 THz. The initial comb is subsequently amplified, spectrally broadened in normal dispersion photonic crystal fiber, and then temporally compressed to provide 74 fs pulses with average power of up to 2.6 W. When launched into a second photonic crystal fiber with anomalous dispersion, a supercontinuum spanning 800-1350 nm is generated. Second harmonic generation allows for extension of the 30 GHz comb into the visible, yielding greater than 300 THz of total spectral bandwidth. Such a broad bandwidth, high repetition rate comb is a compelling source for astronomical spectrograph calibration. (C) 2019 Optical Society of America

引用

页码：2673 / 2676

页数：4

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