Method, device and optical package with enhanced temperature sta

Details Method, device and optical package with enhanced temperature sta Method, device and optical package with enhanced temperature sta

1997-11-26

2000-08-22

Spyrou, Cassandra

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 24, 372102, G02B 532

Patent

active

061081094

ABSTRACT:
The present invention provides a method, device and optical package (10,22) for enhancing a temperature stability by controlling a variable characteristic of an optical package and optical interconnect system. The device includes an optical emitter (14) for generating a predetermined beam of light (16) having a predetermined wavelength, a photo-sensing unit (20) for receiving a portion (18) of the predetermined beam of light (16), and a stability-enhancing broad bandwidth holographic optical element (12), wherein the predetermined wavelength of the predetermined beam of light substantially coincides with a working range wavelength of a broad bandwidth of the stability-enhancing broad bandwidth holographic optical element (12), for enhancing the temperature stability of the optical package and the optical interconnect system in response to changes in a thermal expansion of the stability-enhancing broad bandwidth holographic optical element (12) and the changes in the predetermined wavelength of the predetermined optical beam caused by temperature variations.

REFERENCES:
patent: 5285466 (1994-02-01), Tabatabaie
patent: 5663944 (1997-09-01), Mun
patent: 5801402 (1998-09-01), Shin
David Brady, Alan G.-S. Chen, and George Rodriguez, Volume holographic pulse shaping, Apr. 15, 1992, vol. 17, No. 8, Optics Letters pp. 610-612.
T. Kim, T.K. Kim, E.K. Lee, J.Y. Kim and T.I. Kim, A Single Transverse Mode Operation of Top Surface Emitting Laser Diode with a Integrated Photo-Diode, Samsung Advanced Institute of Technology pp. 416-417.

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