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Manipulating supercontinuum generation by minute continuous wave

By Y Zhou, C Zhang, KKY Cheung, KKY Wong and KK Tsia

Abstract

We report a simple triggering mechanism that greatly enhances and stabilizes supercontinuum generation by using an extremely weak cw light (∼200,000 times weaker than the pump light). Such an active manipulation scheme can be enabled by a wide range of input conditions and circumvents complex techniques such as precise time delay tuning and dedicated feedback control. It thus offers a handy and versatile approach to control and optimize supercontinuum generation, expanding its range of applications, including ultrafast all-optical signal processing, spectroscopy, and imaging. The utility of the present technique for improving signal integrity in chirped pump optical parametric amplification is also demonstrated. © 2011 Optical Society of America.link_to_subscribed_fulltex

Topics: All-optical signal processing, Pump light, Optical parametric amplification, Continuous wave, Supercontinuum generations
Publisher: 'The Optical Society'
Year: 2011
DOI identifier: 10.1364/OL.36.000160
OAI identifier: oai:hub.hku.hk:10722/135113
Provided by: HKU Scholars Hub
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