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High-speed Fiber Optics Communications and Chromatic Dispersion Compensation

  • ID: 2196775
  • Report
  • July 2012
  • 64 Pages +
  • PracTel Inc
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FEATURED COMPANIES

  • Alnair (FBG)
  • Broadcom (ICs)
  • ClariPhy (Chips)
  • Draka (DCF)
  • MRV (DCM)
  • Oclaro (Etalon, TDC)
  • MORE
This report concerns the development of high-speed (10 Gb/s and up) fiber optics communications systems in Ultra Long-haul, Long-haul (and partially Metro) networks.

In particular, it addresses current trends in efficient mitigation of Chromatic Dispersion for such systems.

It studies the transformation of the Chromatic Dispersion Compensators (CDCs) market due to commercialization of coherent receivers as well as advanced methods of modulation and employing of Digital Signal Processing (DSP).

In the analyzed period of time (2012-2016), 10 Gb/s fiber optics systems will coexist with the newer 40 Gb/s and 100 Gb/s systems (as well as, possibly even with higher transmission rate systems). Traditional CDCs will mainly be used in 10 Gb/s systems, which market may be on decline starting from 2016-2017 (though, still very significant). Together with this process, the market for higher rate systems will be growing as they are becoming more cost-efficient in satisfying user demand for transmission larger volumes of traffic. Chromatic Dispersion Compensators, in the form known by now, may become unnecessary for higher rate systems: all work will be done by the coherent receivers and DSPs, which will prevail in 100 Gb/s and 40 Gb/s transmission systems (though some 40 Gb/s systems may still be using direct detection).

The report is analyzing technical and marketing aspects of such Chromatic Dispersion Compensators transformation. It also includes:

- The analysis of patents related to CDCs – 2010-2012. Such an analysis relates to the R&D efforts in the discussed time frame. Though not documented, we also analyzed patents for CDCs granted in 2004-2005; and found out that the number of patents is on decline:

- The industry survey. Our estimation is that, comparing with 2002-2005, the number of CDC vendors is declining (20%-30%). Several companies went out of business, merged or changed their profile;

- Market characteristics for the discussed fiber optics communications systems; as well as related CDC characteristics.

Target Audience

This report is important to a wide population of researches, technical and sales staff involved in the developing of the high-speed fiber optics systems. It is recommended for both service providers and vendors that are working with related technologies.

Research Methodology

Considerable research was done using the Internet. Information from various Web sites was studied and analyzed. Evaluation of publicly available marketing and technical publications was conducted. Telephone conversations and interviews were held with industry analysts, technical experts and executives. In addition to these interviews and primary research, secondary sources were used to develop a more complete mosaic of the market landscape, including industry and trade publications, conferences and seminars.

The overriding objective throughout the work has been to provide valid and relevant information. This has led to a continual review and update of the information content.
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FEATURED COMPANIES

  • Alnair (FBG)
  • Broadcom (ICs)
  • ClariPhy (Chips)
  • Draka (DCF)
  • MRV (DCM)
  • Oclaro (Etalon, TDC)
  • MORE
1.0 Introduction

1.1 Nature

1.2 Phases

1.3 Scope

1.4 Research Methodology

1.5 Target Audience

2.0 Chromatic Dispersion Compensators: Characteristics

2.1 Measurements – CD

2.1.1 Definitions

2.1.2 Tolerance

2.1.2.1 Examples

2.2 Fibers and Standards

2.2.1 Fiber Types

2.2.2 Related Standards

2.3 Requirements to CDC

2.4 Choices and Types

2.4.1 DCF

2.4.2 Etalon

2.4.3 EDC

2.4.4 Fiber Grating

2.5 Tunable Dispersion Compensators

2.5.1 Issues

2.5.2 Approaches

2.5.2.1 Supervisory Channel

2.5.2.2 General: Tunable Dispersion Compensation

3.0 Direct Detection and Coherent Receiver

3.1 Current Situation

3.2 Direct Detection

3.2.1 Limitations

3.3 Coherent Detection

3.3.1 Benefits

3.3.2 Issues

3.3.3 Details

4.0 Related Patents

5.0 Industry – Chromatic Dispersion Compensators

3S Photonics (DCF) – Acquired by EURAZEO in 2011

Alnair (FBG)

Broadcom (ICs)

ClariPhy (Chips)

Draka (DCF)

MRV (DCM)

Oclaro (Etalon, TDC)

Proximion (FBG)

Redfern (FBG)

Telecom Engineering (FGB, DCF)

TeraXion (Static, TDC)

6.0 Marketing Trends

6.1 General

6.2 Status

7.0 Conclusions

List of Figures:

Figure 1: Dispersion Compensation for SSF

Figure 2: Penalty

Figure 3: Details

Figure 4: Maximum CD Accumulation

Figure 5: Direct Reception Illustration

Figure 6: Simplified Coherent Receiver Block Diagram

Figure 7: TAM: Global Long-haul and Ultra Long-haul Optical Transmission ($B)

Figure 8: TAM: Global Long-haul and Ultra Long-haul 10 Gb/s Optical Transmission ($B)

Figure 9: TAM: Global Long-haul and Ultra Long-haul Fiber Optics Transmission 40 Gb/s and 100 Gb/s ($B)

Figure 10: TAM: CDC Global Long-haul & Ultra Long-haul Fiber Optics Transmission (10 Gb/s; $B)

List of Tables:

Table 1: G.652D Fiber Parameters

Table 2: Characteristics

Table 3: Comparison: From 10 Gb/s to 100 Gb/s
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- 3S Photonics (DCF) – Acquired by EURAZEO in 2011

- Alnair (FBG)

- Broadcom (ICs)

- ClariPhy (Chips)

- Draka (DCF)

- MRV (DCM)

- Oclaro (Etalon, TDC)

- Proximion (FBG)

- Redfern (FBG)

- Telecom Engineering (FGB, DCF)

- TeraXion (Static, TDC)
Note: Product cover images may vary from those shown
5 of 5
Note: Product cover images may vary from those shown
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