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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 27 — Sep. 20, 2010
  • pp: 5148–5156

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, and Makoto Tsubokawa  »View Author Affiliations


Applied Optics, Vol. 49, Issue 27, pp. 5148-5156 (2010)
http://dx.doi.org/10.1364/AO.49.005148


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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 / ( 2 π f 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 B 2 of a device under test (DUT) is derived by using a very simple equation, | B 2 | = 1 / ( 2 π f null 2 ) , where f null is the smallest modulation frequency at which the sinusoidally PM light becomes CW light again after passing through the DUT.

© 2010 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.5060) Fiber optics and optical communications : Phase modulation
(260.2030) Physical optics : Dispersion

ToC Category:
Physical Optics

History
Original Manuscript: April 20, 2010
Manuscript Accepted: July 29, 2010
Published: September 16, 2010

Citation
Takashi Yamamoto, Takayoshi Mori, Taiji Sakamoto, Kenji Kurokawa, Shigeru Tomita, and Makoto Tsubokawa, "Group velocity dispersion measurement method using sinusoidally phase-modulated continuous wave light based on cyclic nature of optical waveform change by group velocity dispersion," Appl. Opt. 49, 5148-5156 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-27-5148

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