Arbitrary chirped grating formed by one bent waveguide through a uniform periodic grating

Beniamino Castagnolo; Maria Rizzi; Zhene Xu

doi:10.1117/12.274427

15 May 1997 Arbitrary chirped grating formed by one bent waveguide through a uniform periodic grating

Beniamino Castagnolo, Maria Rizzi, Zhene Xu

Proceedings Volume 3010, Diffractive and Holographic Device Technologies and Applications IV; (1997) https://doi.org/10.1117/12.274427
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

Arbitrary chirped gratings that are very difficult to fabricate by photoresist process or electron beam lithography can be realized by a bent waveguide through a uniform periodic grating. The approximate condition that the system is equivalent to a big chirped grating is deduced. The curve function of bent waveguide can be got by resolving an integral equation. A novel binary chirped grating that could be used as an integrated optical component having combined functions of demultiplexer and focusing lens is also described. Coupled- mode theory is used to compute the efficiency of grating.

Citation Download Citation

Beniamino Castagnolo, Maria Rizzi, and Zhene Xu "Arbitrary chirped grating formed by one bent waveguide through a uniform periodic grating", Proc. SPIE 3010, Diffractive and Holographic Device Technologies and Applications IV, (15 May 1997); https://doi.org/10.1117/12.274427

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