Group velocity dispersion measurement method using sinusoidally phase-modulated continuous wave light based on cyclic nature of optical waveform change by group velocity dispersion

Takashi Yamamoto, Takayoshi Mori, Taiji Sakamoto, Kenji Kurokawa, Shigeru Tomita, Makoto Tsubokawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We show that any optical pulse train recovers its original waveform after passing through a group velocity dispersion (GVD) device when the total GVD value of the device is equal to an integral multiple of 1=(2πf rep 2), where f rep is the repetition rate of the optical pulse train. In addition, we detail our proposed GVD measurement method, or optical phase-modulation (PM) method, which utilizes a sinusoidally PM continuous wave (CW) light as a probe light. The total GVD B2 of a device under test (DUT) is derived by using a very simple equation, |B 2| = 1=(2pf null 2), where f null is the smallest modulation frequency at which the sinusoidallyPM light becomesCWlight again after passing through the DUT.

Original languageEnglish
Pages (from-to)5148-5156
Number of pages9
JournalApplied Optics
Volume49
Issue number27
DOIs
Publication statusPublished - 2010 Sep 20
Externally publishedYes

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Group velocity dispersion
group velocity
continuous radiation
waveforms
Phase modulation
phase modulation
Laser pulses
Light modulation
light modulation
Frequency modulation
pulses
light beams
frequency modulation
repetition

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Group velocity dispersion measurement method using sinusoidally phase-modulated continuous wave light based on cyclic nature of optical waveform change by group velocity dispersion. / Yamamoto, Takashi; Mori, Takayoshi; Sakamoto, Taiji; Kurokawa, Kenji; Tomita, Shigeru; Tsubokawa, Makoto.

In: Applied Optics, Vol. 49, No. 27, 20.09.2010, p. 5148-5156.

Research output: Contribution to journalArticle

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