An Integrated Low-Voltage Broadband Lithium Niobate Phase Modulator

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

13 Scopus Citations
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Author(s)

  • Tianhao Ren
  • Mian Zhang
  • Linbo Shao
  • Christian Reimer
  • Yong Zhang
  • Oliver King
  • Ronald Esman
  • Thomas Cullen
  • Marko Loncar

Detail(s)

Original languageEnglish
Article number8694012
Pages (from-to)889-892
Journal / PublicationIEEE Photonics Technology Letters
Volume31
Issue number11
Online published19 Apr 2019
Publication statusPublished - 1 Jun 2019

Abstract

Electro-optic phase modulators are critical components in modern communication, microwave photonic, and quantum photonic systems. Important for these applications is to achieve modulators with low half-wave voltage at high frequencies. Here, we demonstrate an integrated phase modulator, based on a thin-film lithium niobite platform, which simultaneously features small on-chip loss (1 dB) and low half-wave voltage over a large spectral range (3.5-4.5 V at 5-40 GHz). By driving the modulator with a strong 30-GHz microwave signal corresponding to around four half-wave voltages, we generate an optical frequency comb consisting of over 40 sidebands spanning 10 nm in the telecom L-band. The high-electro-optic performance combined with the high-RF power-handling ability (3.1 W) of our integrated phase modulator is crucial for future photonics and microwave systems.

Research Area(s)

  • Integrated optics device, lithium niobite, modulators

Citation Format(s)

An Integrated Low-Voltage Broadband Lithium Niobate Phase Modulator. / Ren, Tianhao; Zhang, Mian; Wang, Cheng; Shao, Linbo; Reimer, Christian; Zhang, Yong; King, Oliver; Esman, Ronald; Cullen, Thomas; Loncar, Marko.

In: IEEE Photonics Technology Letters, Vol. 31, No. 11, 8694012, 01.06.2019, p. 889-892.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal