Title :
Active lossless monolithic one-by-four splitters/combiners using optical gates on InP
Author :
Ratovelomanana, F. ; Vodjdani, N. ; Enard, A. ; Glastre, G. ; Rondi, D. ; Blondeau, R.
Author_Institution :
Lab. Central de Recherches, Thomson-CSF, Orsay, France
fDate :
5/1/1995 12:00:00 AM
Abstract :
Active one-by-four splitters/combiners were fabricated on InP from the monolithic integration of waveguides and amplifiers. The device exhibited propagation loss below 1.5 dB/spl middot/cm/sup -1/, S-bend loss of 0.2 dB per bend, a 3-dB optical bandwidth of 23 nm, a mean optical crosstalk and extinction ratio of, respectively, 37 dB and 42 dB. On all paths, at least 0 dB insertion loss (fiber to-fiber gain up to 2.8 dB) as well as a low polarization sensitivity (below 1.0 dB) were demonstrated. This device can be used as the basic building block of bit-rate transparent switches for optical routing and broadcasting.<>
Keywords :
III-V semiconductors; indium compounds; integrated optoelectronics; optical communication equipment; optical crosstalk; optical elements; optical fabrication; optical fibre losses; optical fibre polarisation; optical switches; optical waveguides; sensitivity; telecommunication network routing; 0 dB; 2.8 dB; InP; S-bend loss; active lossless monolithic one-by-four splitters/combiners; basic building block; bit-rate transparent switches; extinction ratio; fiber to-fiber gain; insertion loss; low polarization sensitivity; mean optical crosstalk; monolithic integration; optical bandwidth; optical broadcasting; optical gates; optical routing; propagation loss; Indium phosphide; Monolithic integrated circuits; Optical amplifiers; Optical crosstalk; Optical devices; Optical fiber polarization; Optical losses; Optical sensors; Optical waveguides; Propagation losses;
Journal_Title :
Photonics Technology Letters, IEEE
