Optical apparatus which uses a virtually imaged phased array to

Details Optical apparatus which uses a virtually imaged phased array to Optical apparatus which uses a virtually imaged phased array to

1997-02-07

1999-07-27

Nguyen, Thong

Optical: systems and elements

Light interference

359615, 359839, 359857, G02B 2700, G02B 504

Patent

active

059300450

ABSTRACT:
An apparatus which adds "opposite dispersion" to light, to compensate for chromatic dispersion of the light caused by travelling through an optical fiber. The apparatus includes a virtually imaged phased array (VIPA), and a light returning device. The light returning device is typically a mirror. The VIPA provides angular dispersion to the light, and the light returning device returns the light back to the VIPA to undergo multiple reflection inside the VIPA.

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M. Shirasaki, Large Angular-Dispersion By Virtually-Imaged Phased-Array (VIPA) and Its Application to Wavelength Demultiplexing, MOC '95, Hiroshima, Oct. 1995.
M. Shirasaki, Large Angular Dispersion by a Virtually-Imaged Phased Array and its Application to a Wavelength Demultimplexer, Optics Letters, vol. 21, No. 5, Mar. 1996.
M. Shirasaki, Temperature Independent Interferometer For WDM Filters, Paper WeD.1.6 ECOC '96 (European Conference on Optical Communication), Sep. 18, 1996.
M. Shirasaki, Filtering Characteristics of Virtually-Imaged Phased Array, Presented at IPR (Integrated Photonics Research) Topical Meeting Paper IMC3, Apr. 29, 1996, Boston, MA.

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