IT1290525B1 - Dispositivo ottico di add/drop sintonizzabile - Google Patents

Dispositivo ottico di add/drop sintonizzabile

Info

Publication number
IT1290525B1
IT1290525B1 ITMI970772A IT1290525B1 IT 1290525 B1 IT1290525 B1 IT 1290525B1 IT MI970772 A ITMI970772 A IT MI970772A IT 1290525 B1 IT1290525 B1 IT 1290525B1
Authority
IT
Italy
Prior art keywords
optical
phase
stages
modify
shift stage
Prior art date
Application number
Other languages
English (en)
Inventor
Mola Domenico Di
Maurizio Lenzi
Original Assignee
Italtel Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Italtel Spa filed Critical Italtel Spa
Priority to IT000772 priority Critical patent/IT1290525B1/it
Priority to JP50846998A priority patent/JP2002515134A/ja
Priority to PCT/EP1997/003972 priority patent/WO1998004954A1/en
Priority to US09/043,697 priority patent/US6285810B1/en
Priority to EP97934522A priority patent/EP0909403B1/en
Priority to DE69716072T priority patent/DE69716072T2/de
Publication of ITMI970772A1 publication Critical patent/ITMI970772A1/it
Application granted granted Critical
Publication of IT1290525B1 publication Critical patent/IT1290525B1/it

Links

Landscapes

  • Optical Communication System (AREA)
  • Holo Graphy (AREA)
IT000772 1996-07-26 1997-04-03 Dispositivo ottico di add/drop sintonizzabile IT1290525B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT000772 IT1290525B1 (it) 1997-04-03 1997-04-03 Dispositivo ottico di add/drop sintonizzabile
JP50846998A JP2002515134A (ja) 1996-07-26 1997-07-23 同調可能な増加／減少光学装置
PCT/EP1997/003972 WO1998004954A1 (en) 1996-07-26 1997-07-23 Tunable add/drop optical device
US09/043,697 US6285810B1 (en) 1996-07-26 1997-07-23 Tunable add/drop optical device
EP97934522A EP0909403B1 (en) 1996-07-26 1997-07-23 Tunable add/drop optical device
DE69716072T DE69716072T2 (de) 1996-07-26 1997-07-23 Abstimmbare optische einfüge-/ausblendvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000772 IT1290525B1 (it) 1997-04-03 1997-04-03 Dispositivo ottico di add/drop sintonizzabile

Publications (2)

Publication Number Publication Date
ITMI970772A1 ITMI970772A1 (it) 1998-10-03
IT1290525B1 true IT1290525B1 (it) 1998-12-04

Family

ID=11376746

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000772 IT1290525B1 (it) 1996-07-26 1997-04-03 Dispositivo ottico di add/drop sintonizzabile

Country Status (1)

Country Link
IT (1) IT1290525B1 (it)

Also Published As

Publication number Publication date
ITMI970772A1 (it) 1998-10-03

Similar Documents

Publication Publication Date Title
US6839482B2 (en) Tunable optical filtering device and method
EP0918445A3 (en) Optical energy selector apparatus and method
EP1973252B1 (en) Controllable optical add/drop multiplexer
EP1359691B1 (en) Optical interleaver and deinterleaver
WO2002059653A3 (en) Method and apparatus for implementing a multi-channel tunable filter
US6900930B2 (en) Method and apparatus of a semiconductor-based gain equalization device for optical amplifiers
CA2332788C (en) Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing method
US20050249452A1 (en) Optical switch device
WO2005109714A1 (en) All-optical signal regeneration
EP0924950A3 (en) Optical Network
IT1290525B1 (it) Dispositivo ottico di add/drop sintonizzabile
IT1283526B1 (it) Dispositivo ottico di "add/drop" sintonizzabile
Roeloffzen et al. Tunable passband flattened 1-from-16 binary-tree structured add-after-drop multiplexer using SiON waveguide technology
EP0936483A2 (en) Optical router with coherent connecting paths
US6389199B1 (en) Tunable optical add/drop multiplexer
CN100353694C (zh) 可调谐的光滤波器
US6549701B1 (en) Selectable wavelength channel filter for optical WDM systems
US7317852B2 (en) Hitless tunable optical add drop multiplexer with vernier gratings
JPH11109147A (ja) アレイ導波路格子素子
WO2001073994A1 (en) Device and method for optical add/drop multiplexing
Fukui et al. Experimental verification of cascadability of 12 channel X 2.5 Gb/s WDM add/drop multiplexer employing unequally-spaced arrayed-waveguide grating
Rzeszewski et al. A photonic switch architecture utilizing code division multiplexing
EP1122905A2 (en) Apparatus and method for wavelength multiplexing/demultiplexing
US20050180683A1 (en) Tuneable filter arrangement
Takada et al. Low-loss 10-GHz-spaced tandem multi/demultiplexer with more than 1000 channels using a 1/spl times/5 interference multi/demultiplexer as a primary filter

Legal Events

Date Code Title Description
0001 Granted