Megahertz-frequency large-area optical modulators at 1.55 μm based on solution-cast colloidal quantum dots | Zendy

Sjoerd Hoogland | Zendy; Vlad Sukhovatkin | Zendy; Harnik Shukla | Zendy; Jason Clifford | Zendy; Larissa Levina | Zendy; Edward H. Sargent | Zendy

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Megahertz-frequency large-area optical modulators at 1.55 μm based on solution-cast colloidal quantum dots

Author(s) -

Sjoerd Hoogland,

Vlad Sukhovatkin,

Harnik Shukla,

Jason Clifford,

Larissa Levina,

Edward H. Sargent

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.006683

Subject(s) - quantum dot , wavelength , materials science , modulation (music) , optics , optoelectronics , phase modulation , realization (probability) , substrate (aquarium) , optical communication , nanophotonics , physics , statistics , mathematics , oceanography , phase noise , acoustics , geology

We report the realization of large-area, communications-wavelength electro-optic modulators made via simple solution-casting onto an arbitrary substrate. The devices employ colloidal quantum dots synthesized in, and processed from, the solution phase. Devices exhibit greater than 30% modulation depth at the 1.55 microm eye-safe wavelengths of interest in free-space optical communications. The devices retain considerable modulation depth beyond 1 MHz.

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