by Tam Scott Kin Lun. / Thesis submitted in: October 2005. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 58-64). / Abstracts in English and Chinese. / Chapter 1. --- Introduction --- p.1 / Chapter 1.1. --- Optical Networks --- p.1 / Chapter 1.1.1. --- IP over Optical Networks --- p.1 / Chapter 1.1.2. --- Challenges in Optical Networks --- p.4 / Chapter 1.2. --- Virtual Private Networks (VPN) --- p.5 / Chapter 1.2.1. --- CE Based VPN --- p.6 / Chapter 1.2.2. --- Network Based VPN --- p.7 / Chapter 1.2.2.1. --- MPLS Layer 2 VPN --- p.8 / Chapter 1.2.2.2. --- MPLS Layer 3 VPN --- p.9 / Chapter 1.2.3. --- Optical VPN --- p.9 / Chapter 1.2.4. --- Challenges in VPN Technologies --- p.11 / Chapter 1.3. --- Objective of this Thesis --- p.11 / Chapter 1.4. --- Outline of this Thesis --- p.12 / Chapter 2. --- Architecture of an All-Optical VPN --- p.13 / Chapter 2.1. --- Introduction --- p.13 / Chapter 2.2. --- Networking Vendor Activities --- p.13 / Chapter 2.3. --- Service Provider Activities --- p.15 / Chapter 2.4. --- Standard Bodies Activities --- p.16 / Chapter 2.5. --- Requirements for All-Optical VPN --- p.17 / Chapter 2.6. --- Reconfigurability of an All-Optical VPN --- p.19 / Chapter 2.7. --- Switching Methods in All-Optical VPN --- p.20 / Chapter 2.8. --- Survivability of an All-Optical VPN --- p.23 / Chapter 3. --- Maximizing the Utilization Of A Survivable Multi-Ring WDM Network --- p.25 / Chapter 3.1. --- Introduction --- p.25 / Chapter 3.2. --- Background --- p.25 / Chapter 3.3. --- Method --- p.26 / Chapter 3.3.1. --- Effect on packet based services --- p.28 / Chapter 3.3.2. --- Effect on optical circuit based services --- p.28 / Chapter 3.4. --- Simulation results --- p.29 / Chapter 3.5. --- Chapter Summary --- p.36 / Chapter 4. --- Design of an All-Optical VPN Processing Engine --- p.37 / Chapter 4.1. --- Introduction --- p.37 / Chapter 4.2. --- Concepts of Optical Processors --- p.38 / Chapter 4.3. --- Design Principles of the All-Optical VPN Processing Engine --- p.40 / Chapter 4.3.1. --- Systolic System --- p.41 / Chapter 4.3.2. --- Design Considerations of an Optical Processing Cell --- p.42 / Chapter 4.3.2.1. --- Mach-Zehnder Structures --- p.43 / Chapter 4.3.2.2. --- Vertical Cavity Semiconductor Optical Amplifier --- p.43 / Chapter 4.3.2.3. --- The Optical Processing Cell --- p.44 / Chapter 4.3.3. --- All-Optical VPN Processing Engine --- p.47 / Chapter 4.4. --- Design Evaluation --- p.49 / Chapter 4.5. --- Application Example --- p.50 / Chapter 4.6. --- Chapter Summary --- p.54 / Chapter 5. --- Conclusion --- p.55 / Chapter 5.1. --- Summary of the Thesis --- p.55 / Chapter 5.2. --- Future Works --- p.56 / Chapter 6. --- References --- p.58

Zhang Bo. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 55-59). / Abstracts in English and Chinese. / Chapter Chapter 1 --- Introduction to Passive Optical Networks --- p.1 / Chapter 1.1 --- Passive Optical Network (PON) --- p.2 / Chapter 1.1.1 --- PON architecture --- p.3 / Chapter 1.1.2 --- PON benefits --- p.4 / Chapter 1.2 --- The History of PON --- p.4 / Chapter 1.3 --- WDM-PON --- p.5 / Chapter 1.4 --- Outline of This Thesis --- p.8 / Chapter Chapter 2 --- Previous Schemes for Colorless ONU Operation in WDM-PON --- p.9 / Chapter 2.1 --- Introduction --- p.10 / Chapter 2.2 --- Previous WDM-PON Architectures for Colorless ONU Operation --- p.10 / Chapter 2.2.1 --- Spectrum slicing BLS employed at the ONU --- p.11 / Chapter 2.2.2 --- Centralized broadband light source (BLS) for upstream optical carrier supply --- p.12 / Chapter 2.2.3 --- Reuse of the downstream carrier at the ONU --- p.17 / Chapter 2.3 --- Summary --- p.21 / Chapter Chapter 3 --- WDM-PON with a Centralized Supercontinuum Broadband Light Source for Colorless ONUs --- p.23 / Chapter 3.1 --- Introduction --- p.24 / Chapter 3.1.1 --- Introduction to Supercontinuum Generation --- p.24 / Chapter 3.1.2 --- Introduction to Photonic Crystal Fibers --- p.25 / Chapter 3.1.3 --- Supercontinuum Generation in a Photonic Crystal Fiber --- p.27 / Chapter 3.2 --- WDM-PON with Centralized Supercontinuum Broadband Light Source --- p.27 / Chapter 3.2.1 --- Motivation --- p.27 / Chapter 3.2.2 --- Proposed access network --- p.28 / Chapter 3.2.3 --- Experimental demonstration and results --- p.30 / Chapter 3.2.4 --- Discussions --- p.32 / Chapter 3.2.5 --- Conclusion --- p.34 / Chapter 3.3 --- Broadcast Signal Delivery over a WDM-PON based on Supercontinuum Generation --- p.34 / Chapter 3.3.1 --- Motivation --- p.34 / Chapter 3.3.2 --- Proposed network architecture --- p.35 / Chapter 3.3.3 --- Experiment results and discussions --- p.36 / Chapter 3.3.4 --- Conclusion --- p.38 / Chapter 3.4 --- Summary --- p.38 / Chapter Chapter 4 --- A Survivable WDM-PON with Colorless Optical Network Units --- p.39 / Chapter 4.1 --- Introduction --- p.40 / Chapter 4.2 --- Previous Protection Schemes --- p.40 / Chapter 4.3 --- A Survivable WDM-PON with Centralized BLS --- p.44 / Chapter 4.3.1 --- Network topology and wavelength assignment --- p.45 / Chapter 4.3.2 --- Protection operation principles --- p.46 / Chapter 4.3.3 --- Experimental results --- p.47 / Chapter 4.4 --- Summary --- p.48 / Chapter Chapter 5 --- Summary and Future Work --- p.50 / Chapter 5.1 --- Summary of the Thesis --- p.51 / Chapter 5.2 --- Future Work --- p.52 / LIST OF PUBLICATIONS --- p.54 / REFERENCES --- p.55

Sun Xiaofeng. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 61-64). / Abstracts in English and Chinese. / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / Chapter 1.1 --- Optical network evolution --- p.2 / Chapter 1.1.1 --- Submarine and terrestrial long-haul fibre systems --- p.2 / Chapter 1.1.2 --- Metropolitan networks --- p.3 / Chapter 1.1.3 --- Access networks --- p.4 / Chapter 1.2 --- Motivation of this thesis --- p.6 / Chapter 1.3 --- Outline of this thesis --- p.7 / Chapter CHAPTER 2 --- PREVIOUS SELF-HEALING NETWORK ARCHITECTURES --- p.9 / Chapter 2.1 --- Introduction --- p.10 / Chapter 2.1.1 --- Previous protection architectures for access networks --- p.10 / Chapter 2.1.2 --- Previous protection architectures for metro access networks --- p.13 / Chapter 2.3 --- Previous protection architectures for metro backbone networks --- p.15 / Chapter 2.3.1 --- Unidirectional path-switched rings (UPSR) --- p.15 / Chapter 2.3.2 --- Bidirectional line-switched rings (BLSR) --- p.16 / Chapter 2.3.3 --- Ring interconnection and dual homing --- p.17 / Chapter 2.4 --- Summary --- p.19 / Chapter CHAPTER 3 --- SELF-HEALING NETWORK ARCHITECTURE FOR WDM OPTICAL ACCESS NETWORKS --- p.20 / Chapter 3.1 --- Introduction --- p.21 / Chapter 3.2 --- Star-Ring Protection Architecture (SRPA) --- p.21 / Chapter 3.2.1 --- Motivation --- p.21 / Chapter 3.2.2 --- Network topology of SRPA --- p.22 / Chapter 3.2.3 --- Wavelength assignment of SRPA --- p.22 / Chapter 3.2.4 --- Structure of ONU --- p.23 / Chapter 3.2.5 --- Protection mechanism --- p.25 / Chapter 3.2.6 --- Experimental demonstration --- p.26 / Chapter 3.2.7 --- Power budget --- p.28 / Chapter 3.2.8 --- Summary --- p.28 / Chapter 3.3 --- Duplicated-Tree Protection Architecture (DTPA) --- p.28 / Chapter 3.3.1 --- Motivation --- p.28 / Chapter 3.3.2 --- Network topology and wavelength assignment --- p.29 / Chapter 3.3.3 --- Structure of OLT --- p.30 / Chapter 3.3.4 --- Protection mechanism --- p.31 / Chapter 3.3.5 --- Experimental demonstration --- p.33 / Chapter 1.1.1 --- Summary --- p.34 / Chapter 1.4 --- Summary --- p.35 / Chapter CHAPTER 4 --- SINGLE-FIBER SELF-HEALING WDM RING NETWORK ARCHITECTURE FOR METRO ACCESS NETWORKS --- p.36 / Chapter 4.1 --- Introduction --- p.37 / Chapter 4.2 --- Network architecture and wavelength assignment --- p.37 / Chapter 4.3 --- Structure of access node --- p.39 / Chapter 4.4 --- Structure of hub node --- p.40 / Chapter 4.5 --- Protection mechanism --- p.42 / Chapter 4.6 --- Experimental demonstration --- p.43 / Chapter 4.7 --- Optimization of access node --- p.47 / Chapter 4.8 --- Scalability --- p.48 / Chapter 4.9 --- Summary --- p.49 / Chapter CHAPTER 5 --- SELF-HEALING WDM MESH NETWORK ARCHITECTURE FOR METRO BACKBONE NETWORKS… --- p.50 / Chapter 5.1 --- Introduction --- p.51 / Chapter 5.2 --- Network architecture and node structure --- p.51 / Chapter 5.3 --- Protection mechanism --- p.53 / Chapter 5.4 --- Experimental demonstration --- p.55 / Chapter 5.5 --- Summary --- p.57 / Chapter CHAPTER 6 --- SUMMARYAND FUTURE WORKS --- p.58 / Chapter 6.1 --- Summary of the Thesis --- p.59 / Chapter 6.2 --- Future Works --- p.59 / LIST OF PUBLICATIONS --- p.61 / REFERENCES --- p.62

by Chan Lai Yin, Simon. / "December 1998." / Thesis (Ph.D.)--Chinese University of Hong Kong, 1998. / Includes bibliographical references. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.

by Mak Wing-keung. / "August 2000." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.

Ho Siu Ting. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 84-87). / Abstracts in English and Chinese. / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Drivers for performance monitoring --- p.1 / Chapter 1.2 --- Migration of performance monitoring --- p.1 / Chapter 1.3 --- OPM categories --- p.3 / Chapter 1.4 --- Review on OSNR monitoring --- p.6 / Chapter 1.4.1 --- Polarization approach --- p.6 / Chapter 1.4.1.1 --- Polarization extinction --- p.6 / Chapter 1.4.1.2 --- Degree-of-polarization (DOP) analysis --- p.7 / Chapter 1.4.2 --- Interferometric approach --- p.7 / Chapter 1.4.3 --- RF spectral analysis approach --- p.8 / Chapter 1.5 --- Review on PMD monitoring --- p.8 / Chapter 1.5.1 --- DOP approach --- p.8 / Chapter 1.5.2 --- RF spectral analysis approach --- p.9 / Chapter 1.5.3 --- Arrival time measurement approach --- p.9 / Chapter 1.6 --- Objective of the thesis --- p.9 / Chapter 1.7 --- Linear expressions of optical impairments --- p.10 / Chapter Chapter 2 --- Monitoring of Linearly Accumulated Impairments in Unidirectional Links and Nodes --- p.12 / Chapter 2.1 --- Introduction --- p.12 / Chapter 2.2 --- Problem formulation --- p.12 / Chapter 2.3 --- Probing scheme --- p.19 / Chapter 2.3.1 --- Two-link-connected networks --- p.19 / Chapter 2.3.1.1 --- Ring network --- p.20 / Chapter 2.3.1.2 --- General two-link-connected network --- p.25 / Chapter 2.3.2 --- Tree networks --- p.28 / Chapter 2.3.3 --- Networks with bridges --- p.33 / Chapter 2.3.4 --- Illustrative example --- p.36 / Chapter 2.4 --- Single-fault localization --- p.42 / Chapter 2.5 --- Conclusion --- p.43 / Chapter Chapter 3 --- Monitoring of Linearly Accumulated Impairments in Directional Links --- p.45 / Chapter 3.1 --- Introduction --- p.45 / Chapter 3.2 --- Problem formulation --- p.45 / Chapter 3.3 --- Feasibility analysis --- p.48 / Chapter 3.4 --- Probing scheme --- p.50 / Chapter 3.4.1 --- Two-link-connected networks --- p.50 / Chapter 3.4.1.1 --- Probing scheme with only one monitoring module --- p.50 / Chapter 3.4.1.2 --- Optimal location --- p.51 / Chapter 3.4.2 --- Tree networks --- p.56 / Chapter 3.4.3 --- Networks with bridges --- p.57 / Chapter 3.4.4 --- Illustrative example --- p.58 / Chapter 3.5 --- Reliability and fault localization --- p.64 / Chapter 3.5.1 --- Fth-order probing scheme --- p.64 / Chapter 3.5.2 --- Locations of monitoring modules for Fth-order probing scheme --- p.67 / Chapter 3.5.3 --- Fault localization in Fth-ordcr probing scheme --- p.68 / Chapter 3.6 --- Conclusion --- p.69 / Chapter Chapter 4 --- Other Models --- p.70 / Chapter 4.1 --- Introduction --- p.70 / Chapter 4.2 --- Models --- p.70 / Chapter 4.3 --- Probing scheme for El --- p.71 / Chapter 4.4 --- "Necessary locations of monitoring modules for EN2, EN3 and EN4" --- p.72 / Chapter 4.5 --- Conclusion --- p.79 / Chapter Chapter 5 --- Summary and Future Works --- p.81 / Chapter 5.1 --- Summary of the thesis --- p.81 / Chapter 5.2 --- Future works --- p.83 / Bibliography --- p.84 / Appendix - List of publications --- p.88

Lu Guowei. / "January 2005." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.

A comprehensive framework has been developed for designing a GSN. The focus of this thesis is the capacity planning problem which finds the edge capacities for a given physical topology with specifications of the I/O constraints at the nodes. Two kinds of GSN are studied: (1) For the design of a Wide-Sense Non-Blocking GSN (WSNB-GSN), a rigorous mathematical framework is presented. Duality transformation technique that transforms the initial, infinite and infeasible mathematical formulation into a finite feasible formulation is shown. A procedure for finding the realizable lower bound of the cost of a WSNB-GSN is presented and two different solution approaches are proposed. (2) For the design of a Rearrangeably Non-Blocking GSN (RNB-GSN), a straightforward mathematical formulation is presented first. A procedure using the cut condition to find the lower bound of the cost of a RNB-GSN with a general topology is shown then. The optimal solution in the design of a RNB-GSN with an unlimited-size ring topology is demonstrated with a theorem. / Dynamic bandwidth provisioning and full survivability against link failures are two of the most important requirements for future optical networks. Since previous methodologies could not deal with these two issues simultaneously, a new survivable network concept called the "Generalized Survivable Network" (GSN) is proposed. Generalized Survivable Network incorporates the non-blocking network concept into the survivable network design. Here, "generalized" means the generalization of a network from satisfying a single demand matrix to satisfying the set of all allowable demand matrices under the Input and Output (I/O) access capacity constraints at the network nodes. / Numerical experiments have been carried out to verify the performance of GSN. It is demonstrated that the deploying cost of a WSNB-GSN is within a factor of 2 compared with that of a random sample of a single-period survivable network. The cost of building a RNB-GSN with a ring topology is shown to be about 14% to 45% less than that of building a WSNB-GSN. The framework for planning a GSN is applicable to network planning for future optical networks and survivable IP networks. / Ho Kwok-shing. / "September 2006." / Adviser: Cheung Kwok Wai. / Source: Dissertation Abstracts International, Volume: 68-03, Section: B, page: 1823. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (p. 118-124). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstracts in English and Chinese. / School code: 1307.

Firstly, for a optical switch that suffers from the intrinsic crosstalk problem when two optical signals cross at the same switch element, active connections must be node-disjoint in the switching network to avoid crosstalk. Applying a sequence of decomposition and merge operations, called crosstalk-free conjugate transformation, on each switch element to tackle this problem, the network resulting from this transformation is called crosstalk-free conjugate network. By using the numbering schemes of networks, we prove that if the route assignments in the original network are link-disjoint, their corresponding ones in the conjugate network would be node-disjoint. Thus, traditional nonblocking switching networks can be transformed into crosstalk-free optical switches in a routine manner. / Furthermore, we show that crosstalk-free or wavelength interleaving multicast switches can also be obtained from existing nonblocking multicast switches via the same crosstalk-free or wavelength-interleaving conjugate transformation in a straightforward manner, respectively. / On the other hand, high speed and easy integrated arrayed waveguide gratings (AWGs) and tunable wavelength converters (TWCs) are promising optical devices to construct wavelength division multiplexing (WDM) optical switches. In order to practically realize a WDM switch, the core research issue is how to provide wavelength-interleaving connections throughout the entire switch network of these optical devices. In this way, the topological transformation consisting of decomposition and merge operations can convert nonblocking space-division networks into wavelength-interleaving conjugate networks. The principle of this transformation relies on the parallel characters of internal contentions of space switches and wavelength interferences of WDM switches. We show that any nonblocking route assignments in the original space-division network can be mapped into the conjugate network and become wavelength interleaving under this topological transformation. / The emerging all optical network (AON) calls for the realization of high speed (user data rates from 10 Mbps to 10 Gbps), high capacity (∼NTbps) transparent optical network. One of the major obstacles of AON is the deployment of high-speed optical switching systems that can switch optical signals at the rate of several terabits per second. In all optical switches constructed by different optical devices, the crosstalk or wavelength interference may happen when any two optical signals cross at a single optical device or when two signals carried by the same wavelength in a single link, respectively. In the past serval decades, the nonblocking electronic switching networks have been widely studied and a mature theory has been erected. In this thesis, we propose an easy-to-implement conjugate transformation applied to the traditional nonblocking switching networks in two opposite manners to tackle these two problems, respectively. / Deng Yun. / "January 2007." / Adviser: Tony Tong Lee. / Source: Dissertation Abstracts International, Volume: 68-09, Section: B, page: 6176. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (p. 101-108). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract in English and Chinese. / School code: 1307.

Thesis (Ph. D.)--Oregon Graduate Center, 1978.