Tunable optical group delay based on microresonator structures

Details Tunable optical group delay based on microresonator structures Tunable optical group delay based on microresonator structures

2008-09-05

2010-11-09

Le, Uyen-Chau N (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

C385S032000, C385S050000

Reexamination Certificate

active

07831119

ABSTRACT:
This invention provides a tunable delay of an optical signal having multiple frequency components. The delay comprises at least a first and a second integrated resonators coupled sequentially to a waveguide; the resonators have angular resonant frequencies ω1=ω0−Δω and ω2=ω0+Δω respectively, ω0is a median frequency of an input optical signal and Δω is a tunable deviation from the median frequency. The device is providing a nearly equal true time delay to all frequency components in the output signal.

REFERENCES:
patent: 2005/0117842 (2005-06-01), Takahashi et al.

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