USE OF HIGHLY OVERCOUPLED COUPLERS TO DETECT SHIFTS IN BRAGG WAVELENGTH

Authors
ZHANG Q BROWN DA KUNG H TOWNSEND JE CHEN M REINHART LJ MORSE TF
Citation
Q. Zhang et al., USE OF HIGHLY OVERCOUPLED COUPLERS TO DETECT SHIFTS IN BRAGG WAVELENGTH, Electronics Letters, 31(6), 1995, pp. 480-482
Citations number
8
Categorie Soggetti
Engineering, Eletrical & Electronic
Journal title
Electronics Letters → ACNP
ISSN journal
00135194
Volume
31
Issue
6
Year of publication
1995
Pages
480 - 482
Database
ISI
SICI code
0013-5194(1995)31:6<480:UOHOCT>2.0.ZU;2-T
Abstract
The authors present a technique for detecting Bragg wavelength shifts using highly overcoupled couplers (HOCC). An HOCC of 60%/nm was fabric ated with 626 cycles. With our HOCC, a 5 mu W LED and a 95% reflective Bragg grating we were able to detect 10 mu strain (Delta lambda = 0.0 1 nm).