Large Electrooptic Modulation in a Thermally-Poled Germanosilicate Fiber

T. Fujiwara, D. Wong, S. Fleming

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)


A large linear electrooptic phase shift observed in a germanosilicate fiber has been induced by thermal poling at about 250 °C for 20-60 min with an electric field of >8 x 105 V/cm and a 3.3-cm electrode length. Polarization dependence of the V×L product in a birefringent germanosilicate fiber has been found, and the lowest V×L product has been measured for TE-polarization of 224 V/cm at 633 nm, Furthermore, it has been found that the electrical resistance between the electrodes is reduced by thermal poling.

Original languageEnglish
Pages (from-to)1177-1179
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number10
Publication statusPublished - 1995 Oct


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