Exhibit 10.20

January 19, 2007

Mr. Pat Edsell

OFFER OF EMPLOYMENT

Dear Pat:

I am very
pleased to extend to you this offer of employment to join Avanex (the Company).

The position offered to you is that of Senior Vice President,
General Manager. Your place of work will be at the Companys offices in Fremont, California and you will report to Jo Major, President and CEO. This is a full-time, regular, exempt position of considerable responsibility, integral to our
continued business development and success. In this position you will be expected to devote your full business time, attention and energies to the performance of your duties with the Company.

The specifics of this offer are as follows:

Base Salary: You will be
compensated at a bi-weekly rate of $10,384.61, paid every other Friday, subject to the usual, required withholding in accordance with the Companys normal payroll procedures. (This represents an equivalent annual rate of pay of
$270,000.00).

Annual Bonus: You will be eligible to participate in the Executive Bonus Plan in accordance with the guidelines as established by the
Compensation Committee of the Board. Under this plan your annual target bonus amount will be 60% of your base salary, prorated for the 2007 fiscal year based on your tenure during the 2007 fiscal year. The Company operates on a fiscal year that runs
from July 1 to June 30.

Stock Options: Subject to approval by the Compensation Committee of the Board of Directors, you will be granted a
stock option under terms and conditions of the grant agreement under the Companys 1998 Stock Plan (the Plan), as attached and incorporated herein, to purchase 450,000 shares of the Companys Common Stock at an exercise price
equal to the then current fair market value on the date of grant, as determined under the Plan (the Option). Twenty-five percent (25%) of the shares subject to the option will first vest and become exercisable one year from
the date of grant, and 1/48 of the shares will vest each month thereafter.

Restricted Stock Units:Subject to approval by the Compensation
Committee of the Board of Directors, you will be granted restricted stock units 260,000 shares under the terms and conditions of the grant agreement under the Plan. The terms and conditions of your specific grant will be included in the Grant
Agreement that will be provided to you within 6-8 weeks of your start date, provided that the necessary approvals are obtained. Twenty-five percent (25%) of the restricted stock units will fist vest one year from the date of grant, and 1/48 of
the shares will vest each month thereafter.



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Offer of Employment

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Employment Terms:



| |  |  | In the event that your employment is terminated without cause after the commencement of employment, you shall be entitled to receive severance according to the
Companys standard severance policy for executive officers of the company, as incorporated herein, subject to and conditioned upon your execution of full release and waiver of claims in favor of the Company.
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| |  |  | For this purpose, cause is defined as (1) any act of personal dishonesty taken by you in connection with your responsibilities as an employee and
intended to result in your substantial personal enrichment, (2) your conviction of a felony that is injurious to Avanex, (3) a willful act by you that constitutes gross misconduct and which is injurious to Avanex, or (4) any gross
dereliction of your duties or standards acceptable to your position.
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| |  |  | The change in control and acceleration of vesting and post-termination periods of exercisability will be determined by the policy under the 1998 stock plan and
stock agreements between you and the Company, both of which documents are incorporated by reference.
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Target Start Date: April 2,
2007.

Benefits: As a regular employee, you will be eligible to participate in Avanexs benefits plans and programs available to U.S. full
time employees, in accordance with the terms of those plans.

At-Will Employment: You should be aware that your employment with the Company
constitutes at-will employment. This means that your employment relationship with the Company may be terminated at any time with or without notice, with or without good cause or for any or no cause, at either partys option. You
understand and agree that neither your job performance nor promotions, commendations, bonuses or the like from the Company give rise to or in any way serve as the basis for modification, amendment, or extension, by implication or otherwise, of your
at-will employment with the Company.

Conflict of Interest: You agree that, during the term of your employment with the Company, you will not engage
in any other employment, occupation, consulting or other business activity directly related to the business in which the Company is now involved or becomes involved during the term of your employment, nor will you engage in any other activities that
conflict with your obligations to the Company.

In accepting this offer, you are representing to the Company that (a) you are not a party to any
employment agreement or other contract or arrangement which prohibits your full-time



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Offer of Employment

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employment with the Company, (b) you do not know of any conflict which would restrict your employment with the Company and (c) you have not and
will not bring with you to your employment with the Company any documents, records or other confidential information belonging to former employers. We ask that, if you have not already done so, you disclose to the Company any and all agreements
relating to your prior employment that may affect your eligibility to be employed by the Company or limit the manner in which you may be employed.

Employment, Confidential Information, and Invention Assignment Agreement: As a condition of your employment with the Company, you must sign and comply with an Employment, Confidential Information, and Invention Assignment Agreement
which requires, among other provisions, the assignment of rights to any invention made during your employment at Avanex and non-disclosure of proprietary information. As a Company employee, you will be required to sign an acknowledgment that you
have read and understand the Company policies and procedures (as set forth on the Companys Outlook Public Files system or other similar electronic system that the Company may designate), and you will be expected to abide by all
Company policies and procedures.

Indemnification Agreement: The Company will offer you the opportunity to become a party to its standard
form of indemnification agreement for officers and directors.

Arbitration Agreement: As a condition of your employment, you are also
required to sign and comply with an Arbitration Agreement. Among other provisions, the Arbitration Agreement provides that in the event of certain disputes or claims relating to or arising out of our employment relationship, you and the Company
agree that (i) those disputes between you and the Company shall be fully and finally resolved by binding arbitration, (ii) you are waiving any and all rights to have such disputes resolved in court by a judge or jury; (iii) the
arbitrator shall have the power to award any remedies available under applicable law, except attorneys fees and costs, which can be awarded to the prevailing party only if authorized by statute or contract, (iv) such disputes shall be
resolved by a neutral arbitrator, and (v) the Company shall pay for any administrative or hearing fees charged by the arbitrator. Please note that we must receive your signed Arbitration Agreement before your first day of employment.

I-9 Employment Eligibility Verification: For purposes of federal immigration law, you will be required to provide to the Company documentary
evidence of your identity and eligibility for employment in the United States. Such documentation must be provided to us within three (3) business days of your date of hire, or our employment relationship with you may be terminated.

Governing Law: The internal substantive laws, but not the choice of law rules, of the State of California, shall govern this letter. You hereby agree to
exclusive personal jurisdiction and venue in the state and federal courts of the state of California.



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Offer of Employment

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Severability: In the event that any provision hereof becomes or is declared by a court of competent
jurisdiction to be illegal, unenforceable, or void, this letter shall continue in full force and effect without such provision.

General: This
letter, along with the other aforementioned employment-related agreements and stock option described above, set forth the terms of your employment with the Company and supersede in their entirety any and all prior agreements and understandings
concerning your employment relationship with the Company, whether written or oral. The terms of this letter may only be amended, canceled or discharged in writing signed by an authorized representative of the Company and by you.

We would appreciate a response to this offer no later than January 26, 2007.To indicate your acceptance of this offer, please sign and date this
letter in the space provided below and return it to Human Resources. A duplicate original is enclosed for your records.

Pat, it is a pleasure extending
this offer to you. We are hopeful that you recognize, as we do, the tremendous opportunity we have ahead of us and we welcome you to the Avanex team.

Sincerely,

/S/    JO MAJOR

AVANEX CORPORATION

Jo Major

President and CEO



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|Accepted: |  |  |  | Date: |  | 

Enclosures

Duplicate Offer Letter

Employment, Confidential Information, and Invention Assignment Agreement

Indemnification Agreement

Arbitration
Agreement

Standard Severance Agreement

Stock Option Grant Agreement

RSU Grant Agreement