Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 33,
  • Issue 1,
  • pp. 25-33
  • (2015)

Silicon Electro-Optic Modulators Using Quantum Tunneling Structures

Not Accessible

Your library or personal account may give you access

Abstract

Injection-type silicon electro-optic modulators are widely used in onchip optical interconnections due to its high modulation efficiency. However, as the modulator dimension approaches the wavelength limit, it becomes hard to improve the modulator speed by shrinking the device. A new approach to further scale down the dimension of an intrinsic device in injection-type electro-optic modulators without suffering from subwavelength confinement problem is proposed. The device consists of stacked PN or PiN cells connected by tunneling structures to enable current conduction. The diffusion capacitance is reduced due to the reduction of quasi-neutral region width in each device. In this paper, a detail study is given to the case of a two-cell modulator. A twofold of capacitance reduction and speed improvement are observed. Further speed improvement is expected by splitting the modulator into more cells, and the simulation approach for the tunneling structures in such an optical device is also discussed in details.

© 2014 IEEE

PDF Article
More Like This
Design of High Efficiency Multi-GHz SiGe HBT Electro-Optic Modulator

Shengling Deng, Z. Rena Huang, and J. F. McDonald
Opt. Express 17(16) 13425-13438 (2009)

Ultrasensitive silicon photonic-crystal nanobeam electro-optical modulator: Design and simulation

Joshua Hendrickson, Richard Soref, Julian Sweet, and Walter Buchwald
Opt. Express 22(3) 3271-3283 (2014)

Compact 1D-silicon photonic crystal electro-optic modulator operating with ultra-low switching voltage and energy

Abdul Shakoor, Kengo Nozaki, Eiichi Kuramochi, Katsuhiko Nishiguchi, Akihiko Shinya, and Masaya Notomi
Opt. Express 22(23) 28623-28634 (2014)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved