Optical packet address detector

Details Optical packet address detector Optical packet address detector

1996-09-20

1998-12-01

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359130, 359165, 359163, 385 37, H04B 1012

Patent

active

058447040

ABSTRACT:
An improved optical packet address detector which is capable of enabling a high speed packet switching network of 100 Gbps, which includes a glass substrate having a mirror disposed at the back side thereof; a channel optical waveguide formed on the glass substrate and extended in a predetermined direction; a plurality of grating couplers spaced-apart on the channel optical waveguide for dispersing a packet signal beam passing through the channel optical waveguide into the inside of the glass substrate; an optical absorber attached to one end of the channel optical waveguide for absorbing part of the packet signal beam which is not dispersed by the grating coupler; a reflective lens spaced-apart from the optical absorber by a predetermined distance and formed on the glass substrate for focusing the signal beam dispersed by the grating coupler and reflected by the mirror; and a detector spaced-apart from the reflective lens and formed on the glass substrate for detecting the signal beam passing through the reflective lens and the mirror.

REFERENCES:
patent: 4715027 (1987-12-01), Mahapatra et al.
patent: 4773063 (1988-09-01), Hunsperger et al.
patent: 4852079 (1989-07-01), Kinney et al.
patent: 5172258 (1992-12-01), Verber
patent: 5355237 (1994-10-01), Lang et al.
Focusing-grating-coupler arrays for uniform and efficient signal distribution in a backboard optical interconnect; Seok Ho Song and El Hang Lee; Sep. 1995; vol. 34, No. 36; pp. 5913-5919.
Optical Integrated Circuits; Hiroshi Nishihara, Masamitsu Haruna and Toshiaki Suhara; Jul. 1991; pp. 83-94.

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