Dual core corrugated Bragg grating

Details Dual core corrugated Bragg grating Dual core corrugated Bragg grating

2007-11-06

2007-11-06

Sanghavi, Hemang (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S129000, C385S131000

Reexamination Certificate

active

11313381

ABSTRACT:
An apparatus comprising a first core layer having a first thickness and a first refractive index; a second core layer formed on the first core layer, the second core layer having a second thickness and a second refractive index; and a grating formed at the interface between the first core layer and the second core layer. Corresponding process and system embodiments are disclosed and claimed.

REFERENCES:
patent: 6428944 (2002-08-01), Alibert et al.
patent: 7016586 (2006-03-01), Zoorob et al.
patent: 7088877 (2006-08-01), Liu et al.
patent: 2003/0031413 (2003-02-01), Kimerling et al.
patent: 2005/0161789 (2005-07-01), Towle et al.

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