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US 8,805,126 B2Granted
Photonic modulator with forward-and reverse-biased diodes for separate tuning and modulating elements
AssigneeInternational Business Machines Corporation
InventorsBenjamin G. Lee, Jeffrey A. Kash, Alexander V. Rylyakov, Clint L. Schow
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Abstract
A method and structure for a modulator which includes a forward-biased diode optimized for power and area to perform a tuning function, and a reverse-biased diode optimized for speed to perform a modulation function.
Claims20
A modulator comprising:
- a forward-biased diode configured to perform a tuning function;
- and
- a reverse-biased diode configured to perform a modulation function,
- wherein at least one of the forward-biased diode and the reverse-biased diode comprises a p-n diode.
1 more element
A modulator comprising:
- a first arm configured to perform a tuning function;
- and
- a second arm configured to perform a modulation function,
- wherein at least one of the first arm and the second arm comprises a p-n diode.
1 more element
A method of photonic modulating comprising:
- passing a signal through a modulator, the modulator including a forward-biased diode and a reverse-biased diode, at least one of the forward-biased diode and the reverse-biased diode comprises a p-n diode;
- applying a low-speed tuning signal to the forward-biased diode;
- and
- applying a high-speed data source to the reverse-biased diode.
1 more element
Dependencies are inferred from the claim text.